CN109819849A - Breeding of New Rice Variety Ningjing 48 and Its High-yield Cultivation Method for Conserving Moisture and Dry Directing - Google Patents
Breeding of New Rice Variety Ningjing 48 and Its High-yield Cultivation Method for Conserving Moisture and Dry Directing Download PDFInfo
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Abstract
本发明公开了一种水稻新品种宁粳48号选育及其旱直播高产栽培方法，包括以下步骤：步骤1、选育过程：以吉96071为母本、宝丰1号为父本，经人工去雄杂交后，采用系谱法选育而成高产优质水稻新品系；步骤2、整地、保蓄—激光平地、冬灌蓄墒、镇压保蓄；步骤3、种子处理—种子脱芒、包衣；步骤4、播种—适期早播、精量旱直播；步骤5、施肥—测土配方施肥；步骤6、化学除草；步骤7、科学管水；步骤8、稻瘟病综合防控；步骤9、半喂入优质收割。采用本发明的方法，宁粳48号的平均产量达到12538.5kg/hm2，能够有效发挥中晚熟品种增产潜力，提高水分利用率，减少了灌溉次数。The invention discloses a new rice variety Ningjing No. 48 breeding and a dry direct seeding high-yield cultivation method, comprising the following steps: Step 1. Breeding process: taking Ji 96071 as the female parent and Baofeng No. 1 as the male parent, After artificial emasculation and crossbreeding, a new line of high-yield and high-quality rice is selected and bred by the pedigree method; Step 2, soil preparation, preservation—laser leveling, winter irrigation, moisture retention, suppression and preservation; Step 3, seed treatment—seed awning, coating ; Step 4, sowing—early seeding at the right time, precise dry direct seeding; step 5, fertilization—soil testing and formula fertilization; step 6, chemical weeding; step 7, scientific water management; step 8, comprehensive prevention and control of rice blast; step 9 , Half-feed high-quality harvest. By adopting the method of the invention, the average yield of Ningjing No. 48 reaches 12538.5 kg/hm 2 , which can effectively exert the yield increase potential of the middle and late-maturing varieties, improve the water utilization rate and reduce the number of irrigation.
Description
Technical field
The invention belongs to agricultural technology fields, specifically, being related to a kind of peaceful No. 48 breedings of round-grained rice of new rice variety and its guarantor
Moisture in the soil direct-sowing dry high yield cultivating method.
Background technique
Rice be irrigation area of Ningxia " Jiangnan beyond the Great Wall " good reputation significant crop and Ningxia staple food crop in pass through
The best crop of benefit of helping, has very strong regional advantages and industry development advantage.Rice Production in Ningxia breeding is occupied in the Northwest and is led
First status is bred as the new varieties of a collection of independent intellectual property right for many years, realizes 7 updates of rice varieties, meets
The multi-faceted demand of industry development and market, the application of new varieties are that Ningxia grain connects and rich makes major contribution.In recent years,
With constantly moving northward for the adjustment of crop mix, especially Rice Production in Ningxia planting area, rice saline alkali land area and live streaming
The continuous expansion of Monitoring of Paddy Rice Plant Area, it is increasingly urgent to stable and high yields, saline-alkali tolerant, the demand of kind resistant to lodging.Carry out it is high-quality,
High yield, degeneration-resistant, wide adaptability new rice variety breeding are to ensuring that Ningxia grain security is significant.
Peaceful round-grained rice 48 is the high yield and high quality new rice variety of crops research institute, Ningxia Academy of Agri-Forestry Sciences breeding.2015 logical
Cross Ningxia Hui Autonomous Region's crop varietal approval committee (authorization number: rather careful rice No. 2015008).2015-
2017 peaceful round-grained rice 48 hundred mu of demonstration sides in flakes are planted using soil moisture conservation direct-sowing dry planting type in Ningxia Pingluo County within continuous 3 years, it is flat
Equal yield reaches 12300kg/hm2.2017 expert groups, Nian9Yue27 Minister Agriculture of China use the small shop village in the Pingluo County town Yao Fu
No. 48 rice of peaceful round-grained rice scene of carrying out of the direct-sowing dry cultivation technique that preserves soil moisture plantation, which is surveyed, to be produced, and average product reaches 12538.5kg/hm2, then
Secondary refreshing Farmlands in Northern Yinchuan of Ningxia salt-soda soil area rice yield record, per unit area yield create Ningxia direct seading rice production history new peak.
Summary of the invention
The purpose of the present invention is to provide a kind of No. 48 breedings of the peaceful round-grained rice of new rice variety and its soil moisture conservation direct-sowing dry high-yield culturings
Method.
Itself the specific technical proposal is:
A kind of peaceful No. 48 breedings of round-grained rice of new rice variety and its direct-sowing dry high yield cultivating method, comprising the following steps:
Step 1, Breeding Process are maternal, Baofeng 1 for male parent with Ji 96071, after artificial emasculation hybridizes, using pedigree
Method breeding forms high yield and high quality rice new strain.By 8 years 8 generation directive breedings, find within the 8th year that field code name is 318 strain
System, is named as 2008G-318；
Step 2, site preparation protect storage technology-laser land leveling, winter irrigation storage moisture in the soil, suppression guarantor's storage；
It should carry out ploughing deeply stubble-cleaning, tilling depth 18cm~22cm after preceding stubble harvest.It is mechanical with flat field to the biggish field of height difference
Qiu Pingtian is carried out in time, using laser land leveling, makes in filling face difference of height in 3cm~5cm.Ensure that winter irrigation stores moisture in the soil, is spring in the coming year
Offer condition is provided in advance.When early March does not vernally change logical, twice of rake a kind of farm tools soil moisture conservation site preparation is carried out, is gently weeded and loosen the soil, is reached with diagonal rake
Ground grading is broken, stores moisture in the soil soil moisture conservation with benefit and requires；Rake the soil level in time after field tidewater is fallen at the beginning of 4 months, after basal dressing weed and loosen the soil ground, after suppression to
It broadcasts.
Step 3, seed treatment-seed take off awns, coating
3d~5d before sowing takes off awns, discarding stalk to the de- awns machine of seed, while implementing to be coated, with the happy metalaxyl good fortune of rice seed
U.S. double pesticide-seeds ratio 1:120~1:200 or bright shield essence first fludioxonil pesticide-seeds ratio 1:300~1:500 are coated.To improve seed
Resistance.
Step 4, sowing-sowing date for early sowing, essence amount direct-sowing dry
Sowing date for early sowing can be sowed when daily mean temperature is stablized by 5 DEG C or more.Sowing time is before l days April
After sow.Wheat drill sowing is selected, line-spacing is controlled in 15cm~22cm, seed level 3cm~5cm.Land presser or mill are used after broadcasting
Flat surface soil, it is ensured that soil moisture content, promotion early growth and quick tiller, nurturing staff, seedling drought are long.
Step 5, fertilising-fertilization compositions based on earth measurement.Phosphorus potash fertilizer whole base is applied, and nitrogenous fertilizer base applies 40%, remaining is as top dressing tiller
Fertilizer, ear manuer, granulated fertilizer impose, and the ratio that imposes accounts for 30%, 20% and the 10% of time of infertility nitrogen pool, time of infertility fertilising water respectively
It puts down as pure N:P2O5=16.1:7.36.
Step 6, chemical weed control；
48% Amex820 or 90% benthiocarb, dosage 1.5kg/hm before upper water2~1.88kg/hm2, manually or mechanically spray
In earth's surface, closed before carrying out bud；Field water layer is down to weeds 2/3rds before 3 leaf of barnyard grass to expose the surface, selects calm weather
Mu rice outstanding person 1.2kg/hm2+ 30% bensulfuron-methyl 0.15kg/hm2, it is watered 450kg/hm2, artificial spraying prevention and treatment；Seedling stage chemistry goes out
When careless drain spray or spray when pavement fill spray again once；
Step 7, science Guan Shui
Head water is filled before and after 2.5 leaves~3 leaf phases, that is, May 20, water layer should not be too deep, and most of rice seedling exposes 2~3
Blade tip is advisable, carry out intermittent irrigation, make rice seedling gradually adapts to drought environment to water environment process.When 4 leaf of rice~4.5 leaf age,
Water layer is gradually established, 3cm~6cm shallow water layer-management should be kept, to improve ground temperature, promotes the growth of tiller bud.In late June~7 month
Ten days rice booting should keep water layer 12cm~15cm to before earing, and prevent chilling injury and grain husk flower from degenerating.It is excessively prosperous for growing way
Field will implement dry field, improve Soil ventilation condition.Late July~early August carries out intermittent irrigation, avoids establishing water for a long time
Layer or long-term field face are anhydrous, to prevent lodging and influence rice milking stage.Mid-August~early September, rice enter the pustulation period, real
Row intermittent irrigation.It to cut off the water supply, to avoid down in time when major part spike of rice is bowed, most of grain of rice reaches milking maturity mid-term when field
Volt and influence mechanical harvesting.
Step 8, rice blast Synthetical prevention
First is that in the use of nitrogenous fertilizer, method using enough only, 1.5 times in harvest spike number of the total stem number control of highest
To mitigate the generation of disease；Second is that, i.e. boot stage mu use beauty Feng Jingling mono- bag+green big general twice anti-using boot stage, full heading time
Raw 0.75kg/hm2It is watered 225kg/hm2Spraying prevention and treatment, 40% 1.2~1.5kg/hm of Fujione of Qi Suihou2It is watered 225kg/
hm2Spraying prevention and treatment.
Step 9 partly feeds high-quality harvesting technology.Rice Grain water content is that 18-20% is gathered in due course.It is fed using half long
Field harvester is protected to be harvested.
Further, step 5 specifically:
5.1 base manure: urea 10kg, Diammonium phosphate (DAP) 15kg are applied.Fertilising is harrowed using mechanically or manually spreading fertilizer over the fields in conjunction with secondary site preparation
Fertilizer buries, and broadcasts fertile depth 6cm~7cm.It should accomplish that dosage is accurate, it is not heavy not leak.
5.2 top dressings: leaf age every 666.7 ㎡ in 2.5 leaves~3.0 leaf first watering imposes the 10% of time of infertility pure nitrogen level, i.e.,
Urea 75kg/hm2.Tiller starts to impose fetilizer for tillering after four leaf age of rice, imposes the 20% of time of infertility pure nitrogen level, i.e. urea
150kg/hm2Left and right.It should suitably be added and subtracted according to rice seedling growing way, it then follows the principle that prosperous seedling chases after less, weak seedling chases after more.Field face should be established
The water layer of 4cm~6cm avoids band dew top dressing to prevent burn seedlings.Ear manuer is imposed in the 2 leaf phases, imposes time of infertility pure nitrogen level
20%, i.e. urea 150kg/hm2.It should be added and subtracted according to growing way, the principle that prosperous seedling chases after less, weak seedling chases after more is spread fertilizer over the fields uniformly.The neat fringe of rice
Granulated fertilizer is imposed when the phase, leaf color jaundice weak to growing way, performance fertilizer deficiency take off the region of fertilizer, nitrogen topdressing 15kg/hm2~22.5kg/
hm2.It is prudent to impose granulated fertilizer, if Rice Leaf color depth, growth are prosperous, should not chase after or chase after less；Otherwise it is appropriate to increase.
Compared with prior art, beneficial effects of the present invention:
Using technical solution of the present invention, Ningxia middle-late ripening variety No. 48 hundred mu of contiguous plants of peaceful round-grained rice, average product reaches
12538.5kg/hm2, middle-late ripening variety yield potential can be effectively played, efficiency of water application, after planting, ground can be effectively improved
Face pressure is real, reduces soil layer hole, reduces moisture evaporation；Insemination and emergence is carried out using soil moisture content, head water is filled after the 3 leaf phase of rice,
Reduce irrigation frequency.
Specific embodiment
Technical solution of the present invention is described in more detail below with reference to embodiment.
1, Breeding Process
1.1 maternal (Jis 96071): Ji 96071 is that the Jilin of my institute's introduction in 1998 is high-quality, high-yielding strain.Plant type is good, resists
Power is strong, and the big grain of fringe is close, and yielding ability is good, and grain appearance is general, and medium amylase content is good in taste, bacterial blight-resisting.
1.2 male parents (Baofeng 1) Baofeng 1 is Ningxia crops research institute self-fertile strain.101.5 centimetres of plant height, plant type
Compact, stem is sturdy, half Erect Panicle, average every total grain panicle number 134.4, setting percentage 86.4%, and 26.7 grams of mass of 1000 kernel.Seed
Wealthy ovum type, glume stalk yellow, without awns.In exterior quality, chalk rice rate is higher, and medium amylase content is good in taste.
1.3 Breeding Process 2001 are maternal, Baofeng 1 for male parent with Ji 96071, after artificial emasculation hybridizes, are used
Pedigree method breeding forms high yield and high quality rice new strain.By 8 years 8 generation directive breedings, discovery field code name was 318 within 2008
Strain, tillering ability is strong, and plant shape is good, sword-like leave is straight, and effective fringe is more, and grain appearance is good, and solid good, lodging resistant force is strong, and character is neat.Name
For 2008G-318.The strain enters qualification test within 2009, and it is strong to show as yield height, resistance.Enter variety protection within 2010
Test；2011-2012 participates in central arid belt in Ningxia regional testing.Participation central arid belt in Ningxia pilot production in 2013, while facet
Product demonstration is planted experimentally.Yield height is shown as, Comprehensive Traits are good.
2, yield shows
Cell production 12322.5kg/hm in identification garden test in 20092, relatively compare peaceful round-grained rice 41 volume increase 14.10%, position
Occupy first.Participation variety test in 2010, cell production 10933.5kg/hm2, relatively compare peaceful round-grained rice 41 volume increase 4.39%.
Participation area in 2011 tries late-maturing group 5: 4 increasing 1 and subtracts, average product 12315kg/hm2, relatively compare peaceful round-grained rice 41 volume increase 6.7%, pole
Significantly.Increase within 2012 6: 33 to subtract, average product 12289.5kg/hm2, peaceful round-grained rice 41 volume increase 2.0% are relatively compareed, not significantly.Two
Year area's examination 11: 7 increases 4 and subtracts, average product 12202.5kg/hm2, relatively control volume increase 4.4%.4 points of pilot production in 2013,3 increase 1
Subtract, average product 10479kg/hm2, relatively compare peaceful round-grained rice 41 volume increase 1.3%.
2015-2017 is demonstrated in the Ningxia whole district main planting site of rice, is promoted.Continuous 3 years hundred of the ground such as Pingluo County
Demonstration side, average product reach 12300kg/hm to mu in flakes2Above yield level.Wherein, Pingluo County in 2015 is using soil moisture conservation
Direct-sowing dry cultivation technique plants hundred mu of demonstration sides in flakes, reaches 12420kg/hm through agriculture tune team actual measurement average product2；Wuzhong City benefit
Logical Qu Malian canal township reaches 13266kg/hm using rice transplanting cultivation yield2；The small shop village soil moisture conservation drought in the town Yao Fu of Pingluo County in 2016
Hundred mu of direct sowing culture demonstration side in flakes reaches 12384kg/hm through agriculture tune team actual measurement average product2.Minister Agriculture of China is special within 2017
Family's group carries out live survey using No. 48 rice of peaceful round-grained rice of soil moisture conservation direct-sowing dry cultivation technique plantation to the small shop village in the Pingluo County town Yao Fu
It produces, average product reaches 12538.5kg/hm2.The Performance of cultivar goes out high yield, saline-alkali tolerant, feature resistant to lodging, disease resistance is strong.
3, main feature characteristic
101.3 centimetres of plant height or so, upright blade, dark green leaf color；16.9 centimetres of spike length or so, half erect head of fringe type, seed
The wealthy ovum type of grain, no awns, grain color bar yellow.Mu spike number 29.4 ten thousand or so, every total grain panicle 115.7, grain 102.2 of satisfying are cultivated in rice transplanting
Grain, blighted grain 13.5, sterile grain rate 11.7%, 26.9 grams of mass of 1000 kernel.Husk rice measurement: Coarse Rice Rate 83.8%, polished rice rate 75.7% are whole
Polished rice rate 73.57%, length-width ratio 1.9, chalkiness degree 4.3.
The time of infertility 155 days, 3 days more late-maturing than compareing peaceful round-grained rice 41, tillering ability was stronger, fertilizer resistance anti-lodging, resisted low temperature capability
By force.Rice blast Disease Resistance Identifications in 2012 as a result, leaf pest, panicle blast show as in resist.
4, No. 48 soil moisture conservation direct-sowing dry high-yield culture techniques of peaceful round-grained rice
Peaceful round-grained rice 48 in central arid belt in Ningxia Pingluo County, hundred mu of soil moisture conservation direct-sowing dries cultivations that the side of demonstration achieves higher output in flakes in continuous 3 years
Training technology.
4.1 site preparations protect storage technology-laser land leveling, winter irrigation storage moisture in the soil, suppression guarantor's storage；.It should be ploughed deeply after preceding stubble harvest
Stubble-cleaning, tilling depth 18cm~22cm.Qiu Pingtian is carried out in time with flat field is mechanical to the biggish field of height difference, using laser land leveling skill
Art makes in filling face difference of height in 3cm~5cm.Ensure that winter irrigation stores moisture in the soil, is sowed in advance for spring in the coming year and condition is provided.The early March spring
It when the world does not change logical, carries out twice rake a kind of farm tools and preserves soil moisture site preparation, gently weeded and loosen the soil with diagonal rake, it is broken to reach ground grading, stores moisture in the soil with benefit and preserves soil moisture requirement；
It rakes the soil level in time after field tidewater is fallen at the beginning of 4 months, after basal dressing and weeds and loosen the soil ground, wait broadcast after suppression.
4.2 seed treatments-seed takes off awns, coating.3d~5d before sowing takes off awns, discarding stalk to the de- awns machine of seed, together
When implement coating, with happy (the metalaxyl thiram) pesticide-seeds ratio 1:120~1:200 of rice seed or bright shield (smart first fludioxonil) pesticide-seeds ratio
1:300~1:500 is coated.To improve the resistance of seed.
4.3 sowings-sowing date for early sowing, essence amount direct-sowing dry.Sowing date for early sowing, when daily mean temperature is stablized by 5 DEG C or more,
It can be sowed.Sowing time was sowed before and after l days April.Wheat drill sowing is selected, line-spacing is controlled in 15cm~22cm,
Seed level 3cm~5cm.With land presser or surface soil is polished after broadcasting, it is ensured that soil moisture content promotes early growth and quick tiller, nurturing staff, seedling drought
It is long.
4.4 fertilisings-Formula fertilization by soil testing.Phosphorus potash fertilizer whole base is applied, and nitrogenous fertilizer base applies 40%, remaining is as top dressing point
Fetilizer for tillering, ear manuer, granulated fertilizer impose, and the ratio that imposes accounts for 30%, 20% and the 10% of time of infertility nitrogen pool, time of infertility fertilising respectively
Level is pure N:P2O5=16.1:7.36.
4.4.1 urea 10kg, Diammonium phosphate (DAP) 15kg base manure: are applied.Fertilising is using mechanically or manually spreading fertilizer over the fields, in conjunction with secondary site preparation
Rake fertilizer buries, and broadcasts fertile depth 6cm~7cm.It should accomplish that dosage is accurate, it is not heavy not leak.
4.4.2 top dressing: leaf age every 666.7 ㎡ in 2.5 leaves~3.0 leaf first watering imposes the 10% of time of infertility pure nitrogen level,
That is urea 75kg/hm2.Tiller starts to impose fetilizer for tillering after four leaf age of rice, imposes the 20% of time of infertility pure nitrogen level, i.e. urea
150kg/hm2Left and right.It should suitably be added and subtracted according to rice seedling growing way, it then follows the principle that prosperous seedling chases after less, weak seedling chases after more.Field face should be established
The water layer of 4cm~6cm avoids band dew top dressing to prevent burn seedlings.Ear manuer is imposed in the 2 leaf phases, imposes time of infertility pure nitrogen level
20%, i.e. urea 150kg/hm2.It should be added and subtracted according to growing way, the principle that prosperous seedling chases after less, weak seedling chases after more is spread fertilizer over the fields uniformly.The neat fringe of rice
Granulated fertilizer is imposed when the phase, leaf color jaundice weak to growing way, performance fertilizer deficiency take off the region of fertilizer, nitrogen topdressing 15kg/hm2~22.5kg/
hm2.It is prudent to impose granulated fertilizer, if Rice Leaf color depth, growth are prosperous, should not chase after or chase after less；Otherwise it is appropriate to increase.
4.5 chemical weed controls-use " inside front cover go out three benefits " technology.It 48% Amex820 or 90% is killed before " envelope " i.e. upper water
It is careless red, dosage 1.5kg/hm2~1.88kg/hm2, it is manually or mechanically sprayed on earth's surface, is closed before carrying out bud；" two go out " is i.e. in barnyard grass
Field water layer is down to weeds 2/3rds before careless 3 leaves to expose the surface, selects calm weather mu rice outstanding person 1.2kg/hm2+ 30% benzyl
Sulfometuron Methyl 0.15kg/hm2, it is watered 450kg/hm2, artificial spraying prevention and treatment；" three mend " i.e. seedling stage chemistry weed eradication when drain spray or when spray
Pavement fills spray once again.Preventive effect is good, and field is substantially without obvious Weed infestation.
4.6, scientific pipe water technology.Head water is filled before and after 2.5 leaves~3 leaf phases, that is, May 20, water layer should not be too deep, big portion
Point rice seedling exposes 2~3 blade tips and is advisable, and carries out intermittent irrigation, make rice seedling gradually adapts to drought environment to water environment process.Water
When 4 leaf of rice~4.5 leaf age, water layer is gradually established, 3cm~6cm shallow water layer-management should be kept, to improve ground temperature, promotes tiller bud raw
It is long.Late June~rice booting mid-July should keep water layer 12cm~15cm to before earing, and prevent chilling injury and grain husk flower from moving back
Change.Dry field will be implemented for the excessively prosperous field of growing way, improve Soil ventilation condition.Late July~early August carries out Surge Irrigation
It irrigates, avoids establishing water layer for a long time or long-term field face is anhydrous, to prevent lodging and influence rice milking stage.Mid-August~early September,
Rice enters the pustulation period, carries out intermittent irrigation.Wanted when field, major part spike of rice is bowed, most of grain of rice reaches milking maturity mid-term and
When cut off the water supply, to avoid lodging and influence mechanical harvesting.
4.7 rice blast Synthetical prevention technologies.First is that in the use of nitrogenous fertilizer, using method enough and only, the total stem of highest
Number control mitigates the generation of disease at 1.5 times of harvest spike number；Second is that, i.e. booting general twice anti-using boot stage, full heading time
Phase mu mono- bag of beauty Feng Jingling+green big raw 0.75kg/hm2It is watered 225kg/hm2Spraying prevention and treatment, 40% Fujione of Qi Suihou
1.2~1.5kg/hm2It is watered 225kg/hm2Spraying prevention and treatment.
The 4.8 half high-quality harvesting technologies of feeding.Rice Grain water content is that 18-20% is gathered in due course.Using half feeding Kubo
Field harvester is harvested.
The foregoing is only a preferred embodiment of the present invention, the scope of protection of the present invention is not limited to this, it is any ripe
Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are fallen within the protection scope of the present invention.
Claims (2)
1. No. 48 breedings of the peaceful round-grained rice of new rice variety and its soil moisture conservation direct-sowing dry high yield cultivating method, which is characterized in that including following step
Rapid: step 1, Breeding Process are maternal, Baofeng 1 for male parent with Ji 96071, after artificial emasculation hybridizes, are selected using pedigree method
It educates into high yield and high quality rice new strain；By 8 years 8 generation directive breedings, the strain that the 8th year discovery field code name is 318, life
Entitled 2008G-318；
Step 2, site preparation protect storage technology-laser land leveling, winter irrigation storage moisture in the soil, suppression guarantor's storage；
It should carry out ploughing deeply stubble-cleaning, tilling depth 18cm~22cm after preceding stubble harvest；It is mechanical in time with flat field to the biggish field of height difference
Qiu Pingtian is carried out, using laser land leveling, makes in filling face difference of height in 3cm~5cm；Ensure that winter irrigation stores moisture in the soil, shifts to an earlier date for spring in the coming year
Offer condition is provided；When early March does not vernally change logical, twice of rake a kind of farm tools soil moisture conservation site preparation is carried out, is gently weeded and loosen the soil with diagonal rake, reaches Horizon
Soil is broken, stores moisture in the soil soil moisture conservation with benefit and requires；It rakes the soil level in time after field tidewater is fallen at the beginning of 4 months, after basal dressing and weeds and loosen the soil ground, wait broadcast after suppression；
Step 3, seed treatment-seed take off awns, coating
3d~5d before sowing takes off awns, discarding stalk to the de- awns machine of seed, while implementing to be coated, with the happy metalaxyl thiram of rice seed
Pesticide-seeds ratio 1:120~1:200 or bright shield essence first fludioxonil pesticide-seeds ratio 1:300~1:500 are coated；To improve the anti-of seed
Property；
Step 4, sowing-sowing date for early sowing, essence amount direct-sowing dry
Sowing date for early sowing is sowed when daily mean temperature is stablized by 5 DEG C or more；Sowing time was sowed before and after l days April；
Wheat drill sowing is selected, line-spacing is controlled in 15cm~22cm, seed level 3cm~5cm；With land presser or surface soil is polished after broadcasting,
Ensure soil moisture content, promote early growth and quick tiller, nurturing staff, seedling drought is long；
Step 5, fertilising-fertilization compositions based on earth measurement；Phosphorus potash fertilizer whole base is applied, and nitrogenous fertilizer base applies 40%, remaining as top dressing tillering fertilizer,
Ear manuer, granulated fertilizer impose, and the ratio that imposes accounts for 30%, 20% and the 10% of time of infertility nitrogen pool, time of infertility Fertilization Level respectively
For pure N:P2O5=16.1:7.36；
Step 6, chemical weed control；
48% Amex820 or 90% benthiocarb, dosage 1.5kg/hm before upper water2~1.88kg/hm2, manually or mechanically it is sprayed on ground
Table is closed before carrying out bud；Field water layer is down to weeds 2/3rds before 3 leaf of barnyard grass to expose the surface, calm weather mu is selected to use
Rice outstanding person 1.2kg/hm2+ 30% bensulfuron-methyl 0.15kg/hm2, it is watered 450kg/hm2, artificial spraying prevention and treatment；When seedling stage chemistry weed eradication
Pavement fills spray once again when drain spray or spray；
Step 7, science Guan Shui
Head water is filled before and after 2.5 leaves~3 leaf phases, that is, May 20, water layer should not be too deep, and most of rice seedling exposes 2~3 blade tips
Be advisable, carry out intermittent irrigation, make rice seedling gradually adapts to drought environment to water environment process；When 4 leaf of rice~4.5 leaf age, gradually
Water layer is established, 3cm~6cm shallow water layer-management should be kept, to improve ground temperature, promotes the growth of tiller bud；Late June~mid-July water
Rice booting should keep water layer 12cm~15cm to before earing, and prevent chilling injury and grain husk flower from degenerating；For the field that growing way is excessively prosperous
Implement dry field, improves Soil ventilation condition；Late July~early August carries out intermittent irrigation, avoid establishing for a long time water layer or
Long-term field face is anhydrous, to prevent lodging and influence rice milking stage；Mid-August~early September, rice enters the pustulation period, between implementation
It has a rest irrigation；To cut off the water supply in time when field, major part spike of rice is bowed, most of grain of rice reaches milking maturity mid-term, to avoid lodging and
Influence mechanical harvesting；
Step 8, rice blast Synthetical prevention
First is that in the use of nitrogenous fertilizer, method using enough only, the total stem number control of highest is at 1.5 times of harvest spike number to subtract
The generation of hypopathia evil；Second is that, i.e. boot stage mu beauty Feng Jingling mono- bag+green big life general twice anti-using boot stage, full heading time
0.75kg/hm2It is watered 225kg/hm2Spraying prevention and treatment, 40% 1.2~1.5kg/hm of Fujione of Qi Suihou2It is watered 225kg/
hm2Spraying prevention and treatment；
Step 9 partly feeds high-quality harvesting；Rice Grain water content is that 18-20% is gathered in due course；Using half feeding Kubo field harvesting
Machine is harvested.
2. peaceful No. 48 breedings of round-grained rice of new rice variety according to claim 1 and its soil moisture conservation direct-sowing dry high yield cultivating method,
It is characterized in that, step 5 specifically:
5.1 base manure: urea 10kg, Diammonium phosphate (DAP) 15kg are applied；Fertilising is entered using mechanically or manually spreading fertilizer over the fields in conjunction with secondary site preparation rake fertilizer
Soil broadcasts fertile depth 6cm~7cm；It should accomplish that dosage is accurate, it is not heavy not leak；
5.2 top dressings: leaf age every 666.7 ㎡ in 2.5 leaves~3.0 leaf first watering imposes the 10% of time of infertility pure nitrogen level, i.e. urea
75kg/hm2；Tiller starts to impose fetilizer for tillering after four leaf age of rice, imposes the 20% of time of infertility pure nitrogen level, i.e. urea 150kg/
hm2；It should suitably be added and subtracted according to rice seedling growing way, it then follows the principle that prosperous seedling chases after less, weak seedling chases after more；Field face should establish the water of 4cm~6cm
Layer avoids band dew top dressing to prevent burn seedlings；Ear manuer is imposed in the 2 leaf phases, imposes the 20% of time of infertility pure nitrogen level, i.e. urea
150kg/hm2；It should be added and subtracted according to growing way, the principle that prosperous seedling chases after less, weak seedling chases after more is spread fertilizer over the fields uniformly；Grain is imposed when rice full heading time
Fertilizer, leaf color jaundice weak to growing way, performance fertilizer deficiency take off the region of fertilizer, nitrogen topdressing 15kg/hm2~22.5kg/hm2；Impose granulated fertilizer
It is prudent, if Rice Leaf color depth, growth are prosperous, it should not chase after or chase after less；Otherwise it is appropriate to increase.
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| CN110612875A (en) * | 2019-11-01 | 2019-12-27 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | Method for cultivating disease-preventing lodging-resistant rice |
| CN111837847A (en) * | 2020-08-17 | 2020-10-30 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | Ningxia rice shallow sowing and water feeding cultivation method |
| CN112205256A (en) * | 2020-10-23 | 2021-01-12 | 湄潭县宫廷香米业有限责任公司 | High-yield planting method for hybrid rice |
| CN115250901A (en) * | 2021-04-30 | 2022-11-01 | 耿文良 | Conventional japonica rice genetic breeding method |
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2019
- 2019-01-11 CN CN201910027633.4A patent/CN109819849A/en active Pending
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110612875A (en) * | 2019-11-01 | 2019-12-27 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | Method for cultivating disease-preventing lodging-resistant rice |
| CN111837847A (en) * | 2020-08-17 | 2020-10-30 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | Ningxia rice shallow sowing and water feeding cultivation method |
| CN112205256A (en) * | 2020-10-23 | 2021-01-12 | 湄潭县宫廷香米业有限责任公司 | High-yield planting method for hybrid rice |
| CN115250901A (en) * | 2021-04-30 | 2022-11-01 | 耿文良 | Conventional japonica rice genetic breeding method |
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