CN109673442A - A kind of late hybrid rice is guaranteed the quality high-yield breeding method - Google Patents
A kind of late hybrid rice is guaranteed the quality high-yield breeding method Download PDFInfo
- Publication number
- CN109673442A CN109673442A CN201910160774.3A CN201910160774A CN109673442A CN 109673442 A CN109673442 A CN 109673442A CN 201910160774 A CN201910160774 A CN 201910160774A CN 109673442 A CN109673442 A CN 109673442A
- Authority
- CN
- China
- Prior art keywords
- parent
- rice
- hybrid
- hectare
- days
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
It guarantees the quality high-yield breeding method the invention discloses a kind of late hybrid rice, belongs to agricultural technology field, comprising the following steps: step 1, reasonable arrangement date of seeding, it is ensured that Parent flower synchronization；Step 2 cultivates healthy and strong rice shoot, enhances field management；Step 3 precisely uses gibberellin, does artificial pollination well；Step 4 does a good job of it isolation and removal of impurities, improves seed quality；Step 5, ahead of time harvesting and storage, prevent self-fertility and mechanical admixture.Method of the invention has the characteristics that improve seed purity and quality, increases hybrid seed yield, is suitble to promote and apply in certain species.
Description
Technical field
The invention belongs to agricultural technology field, it is related to a kind of late hybrid rice and guarantees the quality high-yield breeding method, specifically, being related to
It is a kind of that " the excellent 311 " late hybrid rice of D two is guaranteed the quality high-yield breeding method.
Background technique
" excellent 311 " D two are Hunan Xiang Suizhong industry Co., Ltd, Hunan Province's He Jiashan seed farm, Hubei University's life
The units such as scientific institute are female parent and two that strong restorer R311 is the incubation of paternal hybrid combo using Dual purpose male-sterile line HD9802S
It is ripe Combination nova in evening Xian, in 2017 by Hunan Province's crop varietal approval committee, authorization number is that rice is examined in Hunan
2017022.Now the feature of the kind is described as follows:
1, economical character
Excellent 311 plant type of D two is moderate, and growing way is medium, and uniformity is high, and 111.7 centimetres of plant height.Upright blade, leaf sheath, the tip of a leaf,
Auricle green.Bran point stalk is in yellow, is Ye Xiahe without awns, the later period discolors.Every total grain panicle number 135.3, every fringe reality grain
Number 118.9, setting percentage 87.9%, 27.8 grams of mass of 1000 kernel.The ripe phase is suitable for the time of infertility 116.2 days.
2, resistance
It is identified by sampling, disease resistance is medium.4.0 grades of leaf pest, 6.0 grades of panicle blast, rice blast comprehensive resistance index is
3.9 grades, 6 grades of bacterial leaf spot resistance, 3.8 grades of false smut resistance.High-temperature resistance is stronger, and low temperature tolerance ability is medium.
3, quality
It is detected through Ministry of Agriculture's rice and quality of item supervision and inspection center within 2015,7.4 millimeters of grain length, length-width ratio
3.6；Coarse Rice Rate 80.8%, polished rice rate 69.0%, head rice rate 56.2%, chalk rice rate 21%, chalkiness degree 5.2%；Transparency 2
Grade, 82 millimeters of gel consistence, caustic SCC is 3.0 grades, and amylose content is up to 14.2%.
5, yield
Combination 2014-2015 has participated in Hunan Province's late hybrid rice new varieties regional testing.2014 annual yield
8.75 tons/hectare, than control volume increase 6.37%；2015 annual yield, 10.43 ton/hectare, than control volume increase 2.91%.2 years
9.59 ton/hectare of average product, than control volume increase 4.64%, volume increase point time rate is 86%, 82.50 kilogram/hectare of the daily output, than
It compares high by 4.20%.
In the prior art, it is badly in need of that a kind of " the excellent 311 " late hybrid rice of D two is guaranteed the quality high-yield breeding method.
Summary of the invention
The purpose of the present invention is to provide a kind of late hybrid rice (D two excellent 311, similarly hereinafter) high-yield breeding method of guaranteeing the quality, the product
Kind of performance breeding time is suitable for, yield height, better resistance, rice are palatable, and depth is by rice farmer and consumers.In order to increase, " D two is excellent
311 " promotion efficiency improve production of hybrid seeds benefit, the excellent first-filial generation seed of quantity foot, quality must be just bred, to meet rice farmer
Production needs.
Itself the specific technical proposal is:
A kind of late hybrid rice is guaranteed the quality high-yield breeding method, comprising the following steps:
Step 1, reasonable arrangement date of seeding, it is ensured that Parent flower synchronization；
D two excellent 311 carries out the production of hybrid seeds in changde, hunan, and male parent R311 is sowed in late May to early June, duration from seeding to heading 80
~90 days.Maternal HD9802S is sowed in mid-June to late June, and duration from seeding to heading 60~70 days.Male parent than maternal early sowing 15~
25 days, poor 4.1~6.1 leaf of leaf, it is ensured that Parent is in August heading flowering on the 10th~20, and the male parent florescence is earlier than maternal beginning fringe 1~4
It；
Step 2 cultivates healthy and strong rice shoot, enhances field management；
Rice seedling bed requires fertile soil, and irrigation and drainage are convenient, leeward to face south.Use sufficient base manure before turning over, soil leveling it is whole it is thin it is whole melt, soil
Fertilizer mixes.6.5~8.5 kilograms of the kind in male parent per hectare crop field, 35~40 kilograms of kind of female parent, sowing is uniformly.Reinforce seedling stage pipe
Reason, cultivates more tiller strong sprouts.Transplanting in due course, rational close planting, it is ensured that Basic Seedling.It is 18~22 cm x 22.3 that male parent, which transplants seeding row spacing,
Centimetre~24.3 centimetres, female parent transplanting seeding row spacing is 12.3~14.3 centimeter squares.Parental 1~3:10~16.Parent
The distance between this broadside is 25.7~27.7 centimetres, and narrow side is 18~22 centimetres.Seed farm foot basal dressing, early spraying fertilizer.Often
Hectare apply 350~450 kilograms of 45% ternary compound fertilizer, 360~560 kilograms of calcium superphosphate make base manure.Parent after transplanting 2~5 days
This applies 120~140 kilogram/hectare of urea, 100~120 kg/hectare respectively, and transplanting applied tillering fertilizer after 8~12 days, and male parent is applied
45% ternary compound fertilizer, 200~300 kilogram/hectare, female parent apply 45% ternary compound fertilizer, 190~210 kilogram/hectare, young fringe point
Shi Suifei when changing for II~V phase, Parent per hectare apply 60~75 kilograms of 45% ternary compound fertilizer, 60~75 kilograms of potash fertilizer simultaneously.
Water layer management carries out wetting irrigation for paddy field principle, aims at prevention, and prevents and treats the method prevention and treatment pest and disease damage of combination.Timely medication prevents and treats rice blast
Disease, banded sclerotial blight, rice kernel smut, striped rice borer, rice leaf roller, planthopper pest and disease damage；
Step 3 precisely uses gibberellin, does artificial pollination well；
Maternal per hectare sprays 360~450 grams of gibberellin, applies gibberellin in heading 3%~12%, sprays 2~4
Secondary, each dosage of per hectare is respectively 40~60 grams, 80~110 grams, 240~280 grams.Since male parent is higher than maternal, only spray
Primary, per hectare sprays 13~17 grams of gibberellin.In order to improve hybrid seed yield, full-bloom stage daily in 10:30-12:30,
It is pollinated 3~6 times with rope, interval time of pollinating every time is or so half an hour.
Step 4 does a good job of it isolation and removal of impurities, improves seed quality；
The parent of purity is high is selected to carry out the production of hybrid seeds, maternal purity is 99.5% or more, and male parent purity is 99.9% or more.?
Isolated area is set up in production of hybrid seeds region, and space is isolated 200 meters or more, time isolation 30 days or more.Emphasis does a good job of it crop field removal of impurities.Female parent exists
When panicle primordium dif ferentiation stage encounters microthermal climate, Fertility al-teration can be made, pollen microscopic examination should be done well；
Step 5, ahead of time harvesting and storage, prevent self-fertility and mechanical admixture；
Double-line hybrid breeding female parent tillering tassel easy self-fertility under cryogenic.In order to avoid self-fertility, Ying Jinliang
It gathers within 2~5 days ahead of time.Fine day harvesting is robbed when kernel maturing is up to 80%~90%, is dried in time, packing storage.
Further, in step 2, water layer management carries out wetting irrigation for paddy field principle, and method is the shallow water root and stem of certain plants living, Bao Shuifen tiller, enough seedlings
Dry field, the heading of very little water, dry and wet strengthen seed.
Further, in step 4, the crop field removal of impurities specifically: cleaned in time according to the feature of Parent, seedling stage removes
Miscellaneous 1~2 time, plant is extra-high or special short, leaf color is special deep or special shallow hybrid strain is pulled out；Growth period to the maturity period carries out more
Secondary removal of impurities removes different plant heights, plant type, leaf, fringe type, grain shape, the special-shaped strain of ripe phase.
Compared with prior art, the invention has the benefit that
The present invention precisely grasps the seedtime of Parent, can make Parent flower synchronization, is conducive to pollination, and hybrid seed yield mentions
It is high.During the production of hybrid seeds, selects high-quality production of hybrid seeds rice field, uses sufficient base manure, appropriate uniformly sowing, Tree Precise Fertilization, scientific pipe water and reinforcement
Insect pest preventing and controlling, hybrid seed yield improve 10% or more.Optimum period, applies gibberellin hybrid seed yield in right amount and improves 10% or more；Using artificial
Pollination 3~6 times, hybrid seed yield improve 5% or so.It takes the Parent of selection purity is high, set up isolated area, sky in production of hybrid seeds region
Between 200 meters of isolation is above, 30 days above, timely field cleans, do pollen microscopic examination well and 2~5 days ahead of time gather in etc. is isolated in the time
Measure, first-filial generation purity improve 1%~5%, 8% or more output increased.It gathers in seed, dry, prevented in storage
Mechanical admixture, it is ensured that seed quality.
Specific embodiment
Technical solution of the present invention is described in more detail combined with specific embodiments below.
A kind of late hybrid rice is guaranteed the quality high-yield breeding method, comprising the following steps:
Step 1, reasonable arrangement date of seeding, it is ensured that Parent flower synchronization；
D two excellent 311 carries out the production of hybrid seeds in changde, hunan, and male parent R311 is sowed in late May to early June, duration from seeding to heading 80
~90 days.Maternal HD9802S is sowed in mid-June to late June, and duration from seeding to heading 60~70 days.Male parent than maternal early sowing 15~
25 days, poor 4.1~6.1 leaf of leaf, it is ensured that Parent is in August heading flowering on the 10th~20, and the male parent florescence is earlier than maternal beginning fringe 1~4
It is advisable.According to test, maternal 20/6 (day month, similarly hereinafter) sowing, male parent 30/5,5/6 sows the florescence earlier than 2~3 days maternal, system
Kind 2605.5~2634.0kg/hm of yield2, it is optimum sowing time；Male parent 25/5 sows the florescence earlier than 6 days maternal, 10/6 sowing flower
Phase is later than maternal 1 day, and the florescence is partially early or partially late, influences to pollinate, and hybrid seed yield is higher, and when production of hybrid seeds is flexibly grasped；Male parent 15/5 is broadcast
The kind florescence is too early, and 15/6 sowing florescence is too late, seriously affects pollination, and hybrid seed yield is low, not uses (table 1).Therefore, it precisely slaps
The seedtime of Parent is held, Parent flower synchronization can be made, is conducive to pollination, hybrid seed yield improves.If date of seeding is not arranged properly, lead
Flowering asynchronism is caused, is unfavorable for pollinating, hybrid seed yield reduces 30% or more.
Influence (2017 year) of the 1 Parent date of seeding of table to early flowering season and hybrid seed yield
Step 2 cultivates healthy and strong rice shoot, enhances field management；
Rice seedling bed requires fertile soil, and irrigation and drainage are convenient, leeward to face south.Use sufficient base manure before turning over, soil leveling it is whole it is thin it is whole melt, soil
Fertilizer mixes.6.5~8.5 kilograms of the kind in male parent per hectare crop field, 35~40 kilograms of kind of female parent, sowing is uniformly.Reinforce seedling stage pipe
Reason, cultivates more tiller strong sprouts.Transplanting in due course, rational close planting, it is ensured that Basic Seedling.It is 18~22 cm x 22.3 that male parent, which transplants seeding row spacing,
Centimetre~24.3 centimetres, female parent transplanting seeding row spacing is 12.3~14.3 centimeter squares.Parental 1~3:10~16.Parent
The distance between this broadside is 25.7~27.7 centimetres, and narrow side is 18~22 centimetres.Seed farm foot basal dressing, early spraying fertilizer.Often
Hectare apply 350~450 kilograms of 45% ternary compound fertilizer, 360~560 kilograms of calcium superphosphate make base manure.Parent after transplanting 2~5 days
This applies 120~140 kilogram/hectare of urea, 100~120 kg/hectare respectively, and transplanting applied tillering fertilizer after 8~12 days, and male parent is applied
45% ternary compound fertilizer, 200~300 kilogram/hectare, female parent apply 45% ternary compound fertilizer, 190~210 kilogram/hectare, young fringe point
Shi Suifei when changing for II~V phase, Parent per hectare apply 60~75 kilograms of 45% ternary compound fertilizer, 60~75 kilograms of potash fertilizer simultaneously.
Water layer management carries out wetting irrigation for paddy field principle, and method is the shallow water root and stem of certain plants living, Bao Shuifen tiller, enough seedling dry fields, the heading of very little water, the strong seed of dry and wet.
It aims at prevention, prevents and treats the method prevention and treatment pest and disease damage of combination.Timely medication prevention and treatment rice blast, banded sclerotial blight, rice kernel smut, two change
The pest and disease damages such as snout moth's larva, rice leaf roller, planthopper.Enhancement of field management is the key that improve hybrid seed yield.According to test, production of hybrid seeds process
In, high-quality production of hybrid seeds rice field is selected, base manure, appropriate uniformly sowing, Tree Precise Fertilization, scientific pipe water is used sufficient and reinforces insect pest preventing and controlling, system
10% or more output increased of kind.
Step 3 precisely uses gibberellin, does artificial pollination well；
General female parent per hectare sprays 360~450 grams of gibberellin, applies gibberellin in heading 3%~12%, sprays 2
~4 times, each dosage of per hectare is respectively 40~60 grams, 80~110 grams, 240~280 grams.Since male parent is higher than maternal, only spray
It applies once, per hectare sprays 13~17 grams of gibberellin.It is spraying with 2000~3000 times of 4% gibberellin.In order to improve the production of hybrid seeds
Yield, full-bloom stage in 10:30-12:30, are pollinated 3~6 times daily with rope, and interval time of pollinating every time is or so half an hour.
According to test, optimum period, applies gibberellin hybrid seed yield in right amount and improves 10% or more；Using artificial pollination 3~6 times, hybrid seed yield is improved
5% or so.
Step 4 does a good job of it isolation and removal of impurities, improves seed quality；
The parent of purity is high is selected to carry out the production of hybrid seeds, maternal purity is 99.5% or more, and male parent purity is 99.9% or more.?
Isolated area is set up in production of hybrid seeds region, and space is isolated 200 meters or more, isolation time 30 days or more.Emphasis does a good job of it crop field removal of impurities.According to father
Maternal feature cleans in time, and seedling stage cleans 1~2 time, plant is extra-high or special short, leaf color is special deep or special shallow
Hybrid strain is pulled out；Growth period to the maturity period is repeatedly cleaned, different plant heights, plant type, leaf, fringe type, grain shape, the abnormal shape of ripe phase
Strain removes.Female parent can make Fertility al-teration (infertility is converted into fertile), should do pollen well when panicle primordium dif ferentiation stage encounters microthermal climate
Microscopy.According to field investigation, select purity is high Parent, production of hybrid seeds region set up isolated area, isolation time 30 days it is above, timely
Field cleans and does pollen microscopic examination well, and first-filial generation purity improves 1%~5%, 8% or more output increased.
Step 5, ahead of time harvesting and storage, prevent self-fertility and mechanical admixture；
Double-line hybrid breeding female parent tillering tassel easy self-fertility under cryogenic.In order to avoid self-fertility, Ying Jinliang
It gathers within 2~5 days ahead of time.Fine day harvesting is robbed when kernel maturing is up to 80%~90%, is dried in time, packing storage.According to surveying and determination,
Postpone harvesting, the low easy self-fertility of latter temperature, seed purity decline 1% or so.It gathers in seed, dry, in storage
Prevent mechanical admixture, it is ensured that seed quality.
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 (3)
- The high-yield breeding method 1. a kind of late hybrid rice is guaranteed the quality, which comprises the following steps:Step 1, reasonable arrangement date of seeding, it is ensured that Parent flower synchronization；D two excellent 311 carries out the production of hybrid seeds in changde, hunan, and male parent R311 is sowed in late May to early June, duration from seeding to heading 80~90 It；Maternal HD9802S is sowed in mid-June to late June, and duration from seeding to heading 60~70 days；Male parent than maternal early sowing 15~25 days, Poor 4.1~6.1 leaf of leaf, it is ensured that Parent is in August heading flowering on the 10th~20, and the male parent florescence was earlier than maternal beginning fringe 1~4 day；Step 2 cultivates healthy and strong rice shoot, enhances field management；Rice seedling bed requires fertile soil, and irrigation and drainage are convenient, leeward to face south；Use sufficient base manure before turning over, soil leveling it is whole it is thin it is whole melt, clay fertilizer is mixed It is even；6.5~8.5 kilograms of the kind in male parent per hectare crop field, 35~40 kilograms of kind of female parent, sowing is uniformly；Reinforce seedling management, training Educate more tiller strong sprouts；Transplanting in due course, rational close planting, it is ensured that Basic Seedling；It is 22.3 centimetres of 18~22 cm x that male parent, which transplants seeding row spacing, ~24.3 centimetres, female parent transplanting seeding row spacing is 12.3~14.3 centimeter squares；Parental 1~3:10~16；Parent it Between apart from broadside be 25.7~27.7 centimetres, narrow side be 18~22 centimetres；Seed farm foot basal dressing, early spraying fertilizer；Per hectare Apply 350~450 kilograms of 45% ternary compound fertilizer, 360~560 kilograms of calcium superphosphate make base manure；Parent's one's duty after transplanting 2~5 days 120~140 kilogram/hectare of urea, 100~120 kg/hectare are not applied, and transplanting applied tillering fertilizer after 8~12 days, and male parent applies 45% 200~300 kilogram/hectare of ternary compound fertilizer, female parent apply 45% ternary compound fertilizer, 190~210 kilogram/hectare, ear differentiation II Shi Suifei when~V phase, Parent per hectare apply 60~75 kilograms of 45% ternary compound fertilizer, 60~75 kilograms of potash fertilizer simultaneously；Water layer Wetting irrigation for paddy field principle is carried out in management, is aimed at prevention, and the method prevention and treatment pest and disease damage of combination is prevented and treated；Timely medication prevention and treatment rice blast, Banded sclerotial blight, rice kernel smut, striped rice borer, rice leaf roller, planthopper pest and disease damage；Step 3 precisely uses gibberellin, does artificial pollination well；Maternal per hectare sprays 360~450 grams of gibberellin, ear 3%~12% when apply gibberellin, spray 2~4 times, often Dosage is respectively 40~60 grams, 80~110 grams, 240~280 grams to hectare every time；Since male parent is higher than maternal, only spray once, Per hectare sprays 13~17 grams of gibberellin；It is spraying with 2000~3000 times of 4% gibberellin；In order to improve hybrid seed yield, full-bloom stage It daily in 10:30-12:30, is pollinated 3~6 times with rope, interval time of pollinating every time is half an hour；Step 4 does a good job of it isolation and removal of impurities, improves seed quality；The parent of purity is high is selected to carry out the production of hybrid seeds, maternal purity is 99.5% or more, and male parent purity is 99.9% or more；In the production of hybrid seeds Isolated area is set up in region, and space is isolated 200 meters or more, isolation time 30 days or more；Emphasis does a good job of it crop field removal of impurities；Female parent is in young fringe When idiophase encounters microthermal climate, Fertility al-teration can be made, pollen microscopic examination should be done well；Step 5, ahead of time harvesting and storage, prevent self-fertility and mechanical admixture；Double-line hybrid breeding female parent tillering tassel easy self-fertility under cryogenic；In order to avoid self-fertility, 2 should be done sth. in advance as far as possible It gathers within~5 days；Fine day harvesting is robbed when kernel maturing is up to 80%~90%, is dried in time, packing storage.
- The high-yield breeding method 2. late hybrid rice according to claim 1 is guaranteed the quality, which is characterized in that in step 2, water layer management Wetting irrigation for paddy field principle is carried out, method is the shallow water root and stem of certain plants living, Bao Shuifen tiller, enough seedling dry fields, the heading of very little water, the strong seed of dry and wet.
- The high-yield breeding method 3. late hybrid rice according to claim 1 is guaranteed the quality, which is characterized in that in step 4, the crop field Removal of impurities specifically: cleaned in time according to the feature of Parent, seedling stage cleans 1~2 time, plant is extra-high or special short, leaf The hybrid strain that piece color spy is deep or spy is shallow is pulled out；Growth period to the maturity period is repeatedly cleaned, different plant heights, plant type, leaf, fringe Type, grain shape, the special-shaped strain of ripe phase remove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160774.3A CN109673442A (en) | 2019-03-04 | 2019-03-04 | A kind of late hybrid rice is guaranteed the quality high-yield breeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160774.3A CN109673442A (en) | 2019-03-04 | 2019-03-04 | A kind of late hybrid rice is guaranteed the quality high-yield breeding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109673442A true CN109673442A (en) | 2019-04-26 |
Family
ID=66197491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910160774.3A Pending CN109673442A (en) | 2019-03-04 | 2019-03-04 | A kind of late hybrid rice is guaranteed the quality high-yield breeding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109673442A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392589A (en) * | 2013-07-25 | 2013-11-20 | 巢湖春友种业科技有限公司 | New method for hybrid rice seed production |
| CN103518616A (en) * | 2013-10-14 | 2014-01-22 | 广西恒茂农业科技有限公司 | Method for breeding rice hybrid Y Liangyou 087 |
| CN103609431A (en) * | 2013-11-25 | 2014-03-05 | 广西壮族自治区农业科学院水稻研究所 | Breeding method of double-cropping two-line super rice variety Gui two-excellent 2 |
-
2019
- 2019-03-04 CN CN201910160774.3A patent/CN109673442A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392589A (en) * | 2013-07-25 | 2013-11-20 | 巢湖春友种业科技有限公司 | New method for hybrid rice seed production |
| CN103518616A (en) * | 2013-10-14 | 2014-01-22 | 广西恒茂农业科技有限公司 | Method for breeding rice hybrid Y Liangyou 087 |
| CN103609431A (en) * | 2013-11-25 | 2014-03-05 | 广西壮族自治区农业科学院水稻研究所 | Breeding method of double-cropping two-line super rice variety Gui two-excellent 2 |
Non-Patent Citations (8)
| Title |
|---|
| 姚仁祥等: "中熟两系杂交晚稻新组合D两优71高产制种技术 ", 《中国种业》 * |
| 操成波等: "两系杂交晚稻D两优311特征特性及高产栽培技术 ", 《农业科技通讯》 * |
| 方杰等: "两系杂交晚稻新组合D两优71母本盘育抛栽高产制种技术 ", 《杂交水稻》 * |
| 方杰等: "两系杂交水稻新组合D两优311高产栽培技术 ", 《杂交水稻》 * |
| 李智谋等: "两系杂交晚稻新组合D两优311的选育与应用", 《农业科技通讯》 * |
| 李智谋等: "高产稳产两系杂交晚稻新组合D两优71 ", 《杂交水稻》 * |
| 陈学忠等: "杂交水稻新品种红优2155的选育及应用 ", 《福建稻麦科技》 * |
| 黄运川等: "杂交水稻新组合良丰优339高产制种技术", 《杂交水稻》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103733859B (en) | A kind of cassava blooms control technique | |
| CN101919351A (en) | Production method of hybrid rice | |
| WO2015109880A1 (en) | Method for cultivating overyear regrowing rice seeds and seedling growing and planting method | |
| CN102388798A (en) | Breeding method of rice photo-thermo-sensitive genic male sterile line | |
| CN103250635B (en) | Breeding method and seed production method of high-grain-weight and high-quality two-line hybrid rice | |
| CN102301948A (en) | Method for breeding high-yield and disease-resistant glutinous rice | |
| CN101796918A (en) | Breeding and seed production methods of quality multi-resistant high-yield hybrid rice | |
| CN102771383A (en) | Method for breeding and seed production of superior multi-resistance high-yield two-line hybrid rice | |
| CN106417014B (en) | A kind of big flower pattern pocket orchid breeding and cultural method | |
| CN105379615A (en) | Wheat blue and abortive sterile germplasm and breeding method thereof | |
| CN107360966A (en) | Xian round-grained rice osculant sterile line spring river 35A early when a kind of colored, stigma exposing ratio is high selection and propagation method | |
| CN101263783B (en) | Method for using herbicide barban to fast breed aloe all-male plant strain | |
| CN102090315A (en) | Method for producing hybrid rice seeds Chuanxiangzhan | |
| CN101124886B (en) | Hybrid seed production method using cotton sterile male line and recovery line to processing ratoon regeneration | |
| CN101663992A (en) | Cultivation method of high-grain weight excellent-quality ternary hybrid rice variety | |
| CN107853171B (en) | A kind of food leaf grass and its implantation methods | |
| CN103430823A (en) | Two-line hybrid rice seed breeding method | |
| CN102934606A (en) | Hybrid rice mechanical seed production technology | |
| CN115005100A (en) | Method for creating winter wheat short-stalk germplasm resources | |
| CN114680039A (en) | Breeding method of winter wheat molecular marker assisted selection generation-adding technology | |
| CN104782371B (en) | A kind of ratooning rice for being suitable for southern ricefish system, which stores, educates cultural method | |
| CN109673442A (en) | A kind of late hybrid rice is guaranteed the quality high-yield breeding method | |
| CN113748943A (en) | Planting method of disease-preventing lodging-resistant rice | |
| CN106962164B (en) | Rice breeding method suitable for soilless culture on fresh water surface | |
| CN101999310A (en) | Breeding and reproducing method of indica rice male sterile line Zhenxian 1A with high quality, rice blast resistance and high combining ability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |