CN103609431B - A kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2 - Google Patents
A kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2 Download PDFInfo
- Publication number
- CN103609431B CN103609431B CN201310599089.3A CN201310599089A CN103609431B CN 103609431 B CN103609431 B CN 103609431B CN 201310599089 A CN201310599089 A CN 201310599089A CN 103609431 B CN103609431 B CN 103609431B
- Authority
- CN
- China
- Prior art keywords
- osmanthus
- rice
- kilograms
- restorer
- crops
- 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.)
- Expired - Fee Related
Links
Landscapes
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
The invention provides a kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2, select strong restorer osmanthus 99 to do maternal, after paternal hybrid, obtain osmanthus extensive 582 taking wide affinity restorer calotoc with the fine individual plant of wide affinity japonica rice variety 02428 filial generation, with Guike-2S hybridization, obtain osmanthus two excellent No. 2 again. This kind is done in South China Double Cropping rice district early, make plantation evening, and makes in morning, evening the super hybridization rice kind that all shows Super-high-yielding characteristic, further improves the rice yield of South China, alleviates the grain security supply pressure that this area faces.
Description
Technical field
The invention belongs to agricultural technology field, specifically a kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2.
Background technology
The rice dwarf breeding sixties in 20th century and the seventies breeding of hybridized rice realized twice leap of China's rice yield, greatly improve rice yield; Within 1996, country has implemented the research of Chinese super hybridization rice project, through many units of more than ten years, multi-disciplinaryly combine tackling key problem, obtains very large effect, till 2012, in succession has 101 huge rice varieties of yield potentiality to pass through national super hybridization rice identification. In the situations such as current increased population, Cultivated Land Area Decrease, water scarcity, the grain security that these breeding achievements efficiently solve China is supplied with.
South China Double Cropping rice district comprises the provinces such as Guangdong, Guangxi, Hainan, Fujian, is not only China's rice breeding quantum jump for the first time--rice dwarf breeding cradle is also one of hybrid rice three series mating area of successfully making outstanding contributions. South China is located in the forward position of reform and opening-up, and ur-banization speed is accelerated and Cropping structure adjustment, and the grain security of this area is supplied with and faced immense pressure. Therefore, alleviate the pressure of the grain security supply of this area, be necessary to strengthen scientific research and drop into, utilizing science and technology strength further to improve rice yield is feasible effective thinking. South China aspect super hybridization rice seed selection, has obtained larger effect nearly ten years, in succession selected excellent bright 86, No. 1, the special excellent boat of II, No. 1, the excellent boat of II, Tianyou998, victory safe No. 1, five excellent 308, day excellent China accounts for, the super hybridization rice kinds such as dark excellent 9516. Spread and the application on producing of these super hybridization rice kinds, has increased substantially the per unit area yield of paddy rice, has alleviated the food supply pressure of this area.
Summary of the invention
The invention provides a kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2, select strong restorer osmanthus 99 to do maternal, after paternal hybrid, be that choosing obtains osmanthus extensive 582 taking wide affinity restorer calotoc with the fine individual plant of wide affinity japonica rice variety 02428 filial generation, with Guike-2S hybridization, obtain osmanthus two excellent No. 2 again.
Comprise the following steps:
Step is the seed selection in strong restorer osmanthus extensive 582 (1): adopt strong restorer osmanthus 99 for maternal, wide affinity restorer calotoc is that male parent is hybridized with the fine individual plant of wide affinity japonica rice variety 02428 filial generation; The F of plantation cross combination osmanthus 99//calotoc/024282Material, and select fine individual plant results seed; From F3Segregating generation rises, and through the qualification of artificial infection rice blast, continues directed selection of many generations, obtains fine individual plant, is osmanthus extensive 582;
(2) step is measured combination by the restorer osmanthus of acquisition extensive 582 and Guike-2S, is osmanthus two excellent No. 2.
Wherein step (1) in artificial infection Pyricularia oryzae be the mixed bacteria liquid of multiple biological strains;
Wherein the Guike-2S of step in is (2) that indica type two of rice research institute of Guangxi academy of agricultural sciences seed selection is photo-thermo-sensitive genic male sterile line, and within 2007, by Guangxi variety certification, authorization is numbered osmanthus and examines rice No. 2007045; The protection of this sterile line application kind power in 2007, application notification number is CNA003975E, is the biomaterial that can provide to the public.
The present invention adopts above technical scheme, and its advantage is:
(1) the seed selection in strong restorer osmanthus extensive 582: adopt strong restorer osmanthus 99 for maternal, wide affinity restorer calotoc is that male parent is hybridized with the fine individual plant of wide affinity japonica rice variety 02428 filial generation; The F of plantation cross combination osmanthus 99//calotoc/024282Material 3500-4000 strain, and select that plant type is good, cane is sturdy, big panicle many grains per panicle, fine individual plant results seed that high, the ripe look of setting percentage is good; From F3Segregating generation rises, and through artificial infection rice blast qualification, continues directedly to select blast resisting, plant type is good, cane is sturdy, big panicle many grains per panicle, the good fine individual plant of high, the ripe look of setting percentage; Select through the orientations of multiple generations, after rice blast qualification and recovery capability are measured, finally obtain that a strain plant and leaf shape is good, cane is sturdy, big panicle many grains per panicle, blast resisting and restoring force strong, the tentative osmanthus extensive 582 that is called of this strain.
Wherein, the extensive 582 principal character characteristics in osmanthus: plant and leaf shape is good, and cane is sturdy, plant height 106cm, sword-like leave is straight and upright, and sword-like leave is about 20cm, several 160 of the average total grain of every fringe, spike length 23.5cm, setting percentage 88-95%, 20.5 grams of mass of 1000 kernel, 5 grades of artificial infection blast resisting fringe pest.
(2) the restorer osmanthus of acquisition extensive 582 is measured to combination from different two-line sterile line Guangzhan 63S, strain I S, Peiai 64S, red 141S, Gui Ke-1S, Guike-2S etc., screening shorter strong advantage combination breeding time. Wherein season all show the characteristic of stable high yield, excellent No. 2 of the tentative osmanthus two by name of this combination with combination breeding time shorter (Nanning is early about the 122 days time of infertility of season, about 115 days seasons of evening), the morning and evening of the assembly of sterile line Guike-2S.
(3) excellent osmanthus two No. 2 are layouted and planted experimentally to different ecological area such as Guangxi Yulin, Beiliu City, Baise, Hepus, carry out adaptability qualification. Layout to plant experimentally and show: osmanthus two all shows stable high yield season in morning, evening excellent No. 2, and breeding time is shorter, capacity for the resistance to lodging is strong, and land for growing field crops is without the characteristic of rice blast.
(4) declare rice in Guangxi province new varieties regional testing by excellent this kind osmanthus two No. 2, through test in 2 years, performance was excellent. Authorized by Guangxi new varieties in 2008 for excellent No. 2 in osmanthus two.
(5) excellent osmanthus two No. 2 application super hybridization rice kinds are assert. Organize expert to carry out in flakes scene to hundred of this kind mu and survey product examination, check and acceptance result reaches the standard of national super hybridization rice using names.
Preferably, the plant height 106cm in osmanthus extensive 582, sword-like leave is about 20cm, several 160 of the average total grain of every fringe, spike length 23.5cm, setting percentage 88-95%, 20.5 grams of mass of 1000 kernel, 5 grades of artificial infection blast resisting fringe pest.
Preferably, throw to plant and be advisable with 3-3.5 leaf, hand is inserted to transplant and is advisable with 4.5～5 leaves, and mu is inserted or mu is thrown 2.5 ten thousand caves, and the specification in described cave is 6 × 4 cun, every cave transplanting 2～3 seedlings; Honda periphery stays a field ditch every 4 meters.
Preferably, in every mu, total dose is 18 kilograms of purity nitrogens, and nitrogen phosphoris and potassium fertilizer ratio is 1:0.5:1.2; 1000 kilograms of this field organic fertilizers, 30 kilograms of carbon ammonia, 30 kilograms, phosphate fertilizer is made base manure; After transplanting, 5～7 days mu is executed 6 kilograms, urea and is topdressed for the first time, and after transplanting, 10～12 days mu is executed 18 kilograms, 15 kilograms, urea, potassium chloride and topdressed for the second time; The middle and late growth stage Potassium, in the ear differentiation fourth phase, optic lobe look seedling frame, Mu Shi 15-15-15 composite fertilizer 5-10 kilogram;
Preferably, excellent No. 2 of osmanthus two harvest time be ninety percent ripe.
Preferably, be 120-124 days the breeding time that osmanthus two is excellent No. 2, output 550-720 kg/acre.
The present invention further adopts above technical characterictic, and its advantage is:
1. planting range: osmanthus two is excellent can be done two seasons in south Guangxi No. 2 and make plantation sooner or later, and Central Guangxi does early to make plantation, and In Northern Guangxi is done season semilate rice plantation.
2. the sowing time: south Guangxi is early made Suitable Sowing Period to be advisable in early March sowing by the end of February; Select the plot plantation that fertility is good.
3. throw to plant and be advisable with 3-3.5 leaf, hand is inserted to transplant and is advisable with 4.5～5 leaves. Mu is inserted (throwing) 2.5 ten thousand left and right, cave, and specification is advisable with 6 × 4 cun, every cave transplanting 2～3 seedlings; Honda periphery is held ring field ditch successfully, stays a field ditch every 4 meters.
4. the more than 700 kilograms high-yield fertilization method of per mu yield: the total dose of Honda is 18 kilograms of purity nitrogens, and nitrogen phosphoris and potassium fertilizer ratio is 1:0.5:1.2; 1000 kilograms of this field organic fertilizers, 30 kilograms of carbon ammonia, 30 kilograms, phosphate fertilizer is made base manure; After transplanting, 5～7 days mu is executed 6 kilograms, urea and is topdressed for the first time, and after transplanting, 10～12 days mu is executed 18 kilograms, 15 kilograms, urea, potassium chloride and topdressed for the second time; The middle and late growth stage Potassium, in the ear differentiation fourth phase, optic lobe look seedling frame, Mu Shi 15-15-15 composite fertilizer 5-10 kilogram;
5. later stage attention control banded sclerotial blight, panicle blast and planthopper;
6. harvest is ninety percent ripe.
The present invention is maternal by adopting good strong recovery, the wide strong restorer of affinity is the strong restorer that paternal hybrid is cultivated round-grained rice type parent Xian with the good intermediate materials of wide affinity japonica rice variety filial generation, being measured screening strong advantage shorter, that output is high breeding time from different sterile lines again combines, and the combination of acquisition is layouted and carried out adaptability qualification to different ecological area, participate in the examination of provincial district and super hybridization rice identification, finally select and be applicable to the super hybridization rice kind of two seasons plantation sooner or later. This kind is done in South China Double Cropping rice district early, make plantation evening, and makes in morning, evening the super hybridization rice kind that all shows Super-high-yielding characteristic, further improves the rice yield of South China, alleviates the grain security supply pressure that this area faces.
Brief description of the drawings
Fig. 1 is that Fig. 1 is the family tree in strong restorer osmanthus 582.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferably embodiment of the present invention is described in further detail:
Embodiment 1:
Concrete steps of the present invention are as follows:
(1) as shown in Figure 1: nineteen ninety-five early adopts strong restorer osmanthus 99 for maternal in season, wide affinity restorer calotoc is that male parent is hybridized system's choosing with the fine individual plant of wide affinity japonica rice variety 02428 filial generation; The F of plantation osmanthus 99//calotoc/024282Material 3500-4000 strain, and select blast resisting, plant type is good, cane is sturdy, big panicle many grains per panicle, high, the ripe look of setting percentage are good fine individual plant results seed; From F3Segregating generation rises, and through artificial infection rice blast qualification, continues directedly to select blast resisting, plant type is good, cane is sturdy, big panicle many grains per panicle, the good fine individual plant of high, the ripe look of setting percentage; Select through the orientations of 17 generations, after rice blast qualification and recovery capability are measured, finally obtain that a strain plant type is good, cane is sturdy, big panicle many grains per panicle, blast resisting and restoring force strong, the tentative osmanthus extensive 582 that is called of this strain.
(2) the restorer osmanthus 582 of acquisition was measured to combination from different two-line sterile line Guangzhan 63S, strain I S, Peiai 64S, red 141S, Gui Ke-1S, Guike-2S etc. in 2004. Through screening, osmanthus 582 is huge with the combination yield potentiality of sterile line Guike-2S assembly, breeding time is shorter, plant type good, lodging tolerance is strong, is the target variety that meets seed selection, excellent No. 2 of tentative osmanthus two by name; Again through making field plot test in morning, the evening of 1 year, this combination early, make a list and reveal the characteristic of stable high yield evening.
(3) excellent osmanthus two No. 2 were layouted and are planted experimentally to variant Ecological Areas such as Guangxi Yulin, Beiliu City, Baise in 2005, result be early, make and all show shorter characteristic of stable high yield, breeding time evening, and land for growing field crops do not have rice blast to occur, annidation is stronger. Wherein within 2005, early each pilot average product reaches 550 kgs/acre season, and maximum output reaches 720 kgs/acre, and rice blast is not found to feel in land for growing field crops. Season in evening in 2005, each pilot average product was 530 kgs/acre, and maximum output is 690 kgs/acre, and rice blast is not found to feel in land for growing field crops.
(4) within 2006, declare rice in Guangxi province new varieties regional testing by excellent osmanthus two No. 2, through the test of 2 years, performance was excellent. The excellent rice varieties authorization of having passed through Guangxi for No. 2 in 2008 in osmanthus two.
Test manufacture scale in district is existing: within 2006, participate in the slow ripe group of preliminary examination of rice region in South of Guangxi early rice, 469.50 kilograms of five pilot average yield per mus, than special excellent 63 volume increase 8.20% of contrast; Continuous examination in 2007,552.74 kilograms of five pilot average yield per mus, than contrast, special excellent 63 volume increase 8.44%(are extremely remarkable); 511.12 kilograms of test average yield per mus in 2 years, than special excellent 63 volume increase 8.32% of contrast, volume increase point ratio 100%. 559.38 kilograms of pilot production average yield per mus in 2007, than special excellent 63 volume increase 8.1% of contrast.
Feature: this product kind temperature sensitive type double-linear hybrid rice, the early rice plantation of south, osmanthus, about the 124 days time of infertility, than contrasting special excellent 63 precocity 4 days. Other Main Agronomic Characters (mean value) performance: plant type compactness, short straight, the ripe phase annesl of blade are good, every mu of number of productive ear 18.9 ten thousand, 112.2 centimetres of plant heights, 23.2 centimetres of spike lengths, 158.0 of every total grain panicle numbers, setting percentage 83.0%, 21.6 grams of mass of 1000 kernel. Rice matter leading indicator: brown rice rate 82.7%, head rice rate 69.0%, length-width ratio 2.7, chalk rice rate 86%, chalkiness degree 15.0%, 80 millimeters of glue denseness, amylose content 24.4%; Resistance: 6 grades of seedling leaf pest, 7 grades of fringe pest, fringe pest loss index 46.2%, rice blast resistance composite index 6.8; 7 grades, the pathogenic IV type of bacterial leaf-blight, 5 grades, V type.
(5) this kind application super hybridization rice kind is assert. By expert's onsite acceptance, vouch in flakes for on-the-spot hundred mu in In The Luchuan of Guangxi county in mid-July, 2007, and 740.68 kilograms of average yield per mu gulches exceed the yield index of national super hybridization rice kind. Osmanthus two in 2010 excellent No. 2 by named as super hybridization rice kind.
The excellent No. 2 main high-yield culturing main points in osmanthus two: 1. planting range: osmanthus two is excellent can be done two seasons in south Guangxi No. 2 and make plantation sooner or later, and Central Guangxi does early to make plantation, and In Northern Guangxi is done season semilate rice plantation.
2. the sowing time: south Guangxi is early made Suitable Sowing Period to be advisable in early March sowing by the end of February; Select the plot plantation that fertility is good.
3. throw to plant and be advisable with 3-3.5 leaf, hand is inserted to transplant and is advisable with 4.5～5 leaves. Mu is inserted (throwing) 2.5 ten thousand left and right, cave, and specification is advisable with 6 × 4 cun, every cave transplanting 2～3 seedlings; Honda periphery is held ring field ditch successfully, stays a field ditch every 4 meters.
4. the more than 700 kilograms high-yield fertilization method of per mu yield: the total dose of Honda is 18 kilograms of purity nitrogens, and nitrogen phosphoris and potassium fertilizer ratio is 1:0.5:1.2; 1000 kilograms of this field organic fertilizers, 30 kilograms of carbon ammonia, 30 kilograms, phosphate fertilizer is made base manure; After transplanting, 5～7 days mu is executed 6 kilograms, urea and is topdressed for the first time, and after transplanting, 10～12 days mu is executed 18 kilograms, 15 kilograms, urea, potassium chloride and topdressed for the second time; The middle and late growth stage Potassium, in the ear differentiation fourth phase, optic lobe look seedling frame, Mu Shi 15-15-15 composite fertilizer 5-10 kilogram;
5. later stage attention control banded sclerotial blight, panicle blast and planthopper;
6. harvest is ninety percent ripe.
Embodiment 2
Below in conjunction with embodiment, the invention will be further described.
(1) season morning nineteen ninety-five is maternal in Nanning taking strong restorer osmanthus 99, and the indica type fine individual plant of filial generation parent of wide affinity parent Calotoc and the wide affinity japonica rice variety 02428 of short bar is paternal hybrid, results hybrid seed; Season in evening plantation F1Material, removes false hybrid strain and stays true hybrid strain, ripe rear mixed sowing. Within 1996, early season is planted F2Population material (about 3500-4000 individual plant), selects the good individual plants of proterties such as, the anti-or resistance to rice blast of good, the big panicle many grains per panicle of plant type, solid good, ripe look good, obtains 80 fine individual plants; Season in evening in 1996 Nanning plantation F3Material (80 elite plant strains), 40 individual plants of each strain plantation, the qualification of artificial infection Pyricularia oryzae, the maturity period selects that plant type is good, big panicle many grains per panicle, solid good, ripe look good and the individual plant of blast resisting, gathers in the crops 30 dissimilar target fine individual plants. Within 1997, early season is planted F4Material (30 elite plant strains), continues the qualification of artificial infection Pyricularia oryzae, and the maturity period, same selection obtained 30 elite plant strains. Season morning in 2002, after 15 generations, i.e. F15Material, totally 22 strains, with the rich A test cross of sterile line, eliminate the poor strain of recovery capability respectively. Season in evening in 2003, after recovery capability Screening and Identification, obtain a strain Comprehensive Traits excellence, its plant type is good, cane is sturdy, big panicle many grains per panicle, moderate growth duration, solid good, ripe look of later stage is good, blast resisting and recovery capability strong, name as osmanthus 582.
(2) within 2004, early use the sterile line test crosses such as osmanthus extensive 582 and beautiful A, rich A, ten A, Guangzhan 63S, strain I S, Peiai 64S, red 141S, Gui Ke-1S, Guike-2S season in Nanning, osmanthus 582 all shows very strong recovery capability from the combination of different sterile line assembly. Wherein show with the combination Guike-2S/osmanthus 582 of sterile line Guike-2S assembly the characteristic that breeding time is shorter, plant type good, output is high, early season 560.8 kgs/acre of output, season in evening 542.5 kgs/acre of output.
(3) within 2005, early season excellent osmanthus two No. 2 are layouted and planted experimentally to counties and cities such as Guangxi Yulin, Baise, Qiezhou, Bobais, each pilot average product reaches 550 kgs/acre, and maximum output reaches 720 kgs/acre, breeding time 120-124 days, rice blast is not found to feel in land for growing field crops. Season in evening in 2005 continues to plant experimentally, and each pilot average product is 530 kgs/acre, and maximum output is 690 kgs/acre, breeding time 114-118 days, rice blast is not found to feel in land for growing field crops. Layout to plant experimentally and show: osmanthus two all shows stable high yield, the characteristic that breeding time is shorter in morning, evening excellent No. 2 in season.
(4) the excellent rice in Guangxi province new varieties regional testing of participating in for No. 2 in osmanthus two in 2006. Through test in 2 years, have outstanding performance. Wherein 469.50 kilograms of five pilot average yield per mus in 2006, than special excellent 63 volume increase 8.20% of contrast; 552.74 kilograms of five pilot average yield per mus in 2007, excellent 63 volume increase 8.44%(are extremely remarkable for bit); Two 511.12 kilograms of annual per mu yields, than special excellent 63 volume increase 8.32% of contrast, volume increase point ratio 100%. 559.38 kilograms of pilot production average yield per mus in 2007, than special excellent 63 volume increase 8.1% of contrast. Authorize by rice in Guangxi province new varieties for excellent No. 2 2008 in osmanthus two.
(5) 2007 in Le Ning village, meter Chang town, In The Luchuan of Guangxi county, osmanthus two excellent No. two as 112.6 mu of early rice contiguous plants, through expert on-the-spot real cut to survey to produce check and accept, 740.68 kilograms of all types of field output weighted average per mu yields, exceed the yield index of national super hybridization rice kind. Within 2010, the excellent No. 2 national Ministry of Agriculture of quilt in osmanthus two are named as super hybridization rice kind.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations. For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (4)
- One kind to yield two crops a year two be super hybridization rice kind osmanthus two selections of excellent No. 2, it is characterized in that, select strong restorer osmanthus 99 to do maternal, after paternal hybrid, be that choosing obtains osmanthus extensive 582 taking wide affinity restorer calotoc with the fine individual plant of wide affinity japonica rice variety 02428 filial generation, with Guike-2S hybridization, obtain osmanthus two excellent No. 2 again;Comprise the following steps:Step is the seed selection in strong restorer osmanthus extensive 582 (1): adopt strong restorer osmanthus 99 for maternal, wide affinity restorer calotoc is that male parent is hybridized with the fine individual plant of wide affinity japonica rice variety 02428 filial generation; The F2 material of plantation cross combination osmanthus 99//calotoc/02428, and select fine individual plant results seed; From F3 segregating generation, through the qualification of artificial infection rice blast, continue how to obtain fine individual plant for directed selection, be osmanthus extensive 582;(2) step is measured combination by the restorer osmanthus of acquisition extensive 582 and Guike-2S, is osmanthus two excellent No. 2;Throw to plant and be advisable with 3-3.5 leaf, hand is inserted to transplant and is advisable with 4.5～5 leaves, and mu is inserted or mu is thrown 2.5 ten thousand caves, and the specification in described cave is 6 × 4 cun, every cave transplanting 2～3 seedlings; Honda periphery stays a field ditch every 4 meters;In every mu, total dose is 18 kilograms of purity nitrogens, and nitrogen phosphoris and potassium fertilizer ratio is 1:0.5:1.2; 1000 kilograms of this field organic fertilizers, 30 kilograms of carbon ammonia, 30 kilograms, phosphate fertilizer is made base manure; After transplanting, 5～7 days mu is executed 6 kilograms, urea and is topdressed for the first time, and after transplanting, 10～12 days mu is executed 18 kilograms, 15 kilograms, urea, potassium chloride and topdressed for the second time; The middle and late growth stage Potassium, in the ear differentiation fourth phase, optic lobe look seedling frame, Mu Shi 15-15-15 composite fertilizer 5-10 kilogram.
- 2. two crops a year two as claimed in claim 1 are super hybridization rice kind osmanthus two selections of excellent No. 2, it is characterized in that, the plant height 106cm in osmanthus extensive 582, the long 20cm of sword-like leave, several 160 of the average total grain of every fringe, spike length 23.5cm, setting percentage 88-95%, 20.5 grams of mass of 1000 kernel, 5 grades of artificial infection blast resisting fringe pest.
- 3. two crops a year two as claimed in claim 1 are super hybridization rice kind osmanthus two selections of excellent No. 2, it is characterized in that, be ninety percent ripe the harvest time that osmanthus two is excellent No. 2.
- 4. two crops a year two as claimed in claim 1 are super hybridization rice kind osmanthus two selections of excellent No. 2, it is characterized in that, be 120-124 days the breeding time that osmanthus two is excellent No. 2, output 550-720 kg/acre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310599089.3A CN103609431B (en) | 2013-11-25 | 2013-11-25 | A kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310599089.3A CN103609431B (en) | 2013-11-25 | 2013-11-25 | A kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103609431A CN103609431A (en) | 2014-03-05 |
| CN103609431B true CN103609431B (en) | 2016-05-25 |
Family
ID=50160168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310599089.3A Expired - Fee Related CN103609431B (en) | 2013-11-25 | 2013-11-25 | A kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103609431B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673442A (en) * | 2019-03-04 | 2019-04-26 | 常德市农学会 | A kind of late hybrid rice is guaranteed the quality high-yield breeding method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764643A (en) * | 1987-01-06 | 1988-08-16 | Ring Around Products, Inc. | Route to hybrid rice production |
-
2013
- 2013-11-25 CN CN201310599089.3A patent/CN103609431B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764643A (en) * | 1987-01-06 | 1988-08-16 | Ring Around Products, Inc. | Route to hybrid rice production |
Non-Patent Citations (2)
| Title |
|---|
| 桂两优2号-桂审稻2008006号;国家水稻数据中心;《国家水稻数据中心》;20081231;"系谱树","栽培"部分 * |
| 软米型优质杂交稻百优1191选育及高产栽培技术;梁曼玲等;《广西农业科学》;20101231;第41卷(第1期);第4.4节 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103609431A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| YUAN | Hybrid rice achievements, development and prospect in China | |
| Zeng et al. | Effects of modified fertilization technology on the grain yield and nitrogen use efficiency of midseason rice | |
| CN101336611B (en) | Breeding method of good quality, double-low, disease-resistant, high yield, lodging-resistant rape | |
| CN102138487B (en) | Soil productivity improving soil and fertilizer management method for mountain and hill apple orchards | |
| CN106780078A (en) | A kind of cereal crops produce the measuring method of carbon emission amount | |
| CN101485272B (en) | Rice plating method | |
| CN104488695A (en) | Method for cultivating 213 of new extra-early high-ginning-outturn strain | |
| CN102487673A (en) | High-yield planting method of interplanting pepper and corn to control diseases and pests | |
| CN101843194B (en) | Corn planting method | |
| CN103283437B (en) | Method for planting sea-buckthorn in gobi of alpine regions | |
| CN104163741A (en) | Ecological charcoal fertilizer for crops and preparation method thereof | |
| WEI et al. | Suitable growing zone and yield potential for late-maturity type of Yongyou japonica/indica hybrid rice in the lower reaches of Yangtze River, China | |
| CN105918044B (en) | A method of promoting High And Stable Yield of Chinese Fir Seed Orchard | |
| CN102783410A (en) | Breeding method of high-quality and double-low rapes suitable for mechanization work and with high yield, and lodging resistance | |
| Huang et al. | Improvement in super hybrid rice: A comparative study between super hybrid and inbred varieties | |
| CN103609431B (en) | A kind of two crops a year two is super hybridization rice kind osmanthus two selections of excellent No. 2 | |
| Chen et al. | Pumpkin yield affected by soil nutrients and the interactions of nitrogen, phosphorus, and potassium fertilizers | |
| CN103461110A (en) | Method for breeding new variety of rice | |
| CN101913929B (en) | Compound base fertilizer and additional fertilizer for jatropha curcas | |
| CN104782371B (en) | A kind of ratooning rice for being suitable for southern ricefish system, which stores, educates cultural method | |
| CN102845297B (en) | Breeding method of rape variety suitable for machine harvesting and sowing | |
| Thuy et al. | Structure changing in maize-based agriculture production in Vietnam: Case study in Son La province | |
| CN1300533A (en) | Dense planting method for soybean | |
| Hossain et al. | Economic assessment of maize (Zea mays L.)–Spinach (Basella alba L.) intercropping system for improving the livelihood of smallholders’ in South-Asia | |
| CN106982641B (en) | Method for improving grass trunk structure under photovoltaic frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20211125 |