CN103782857A - Cultivating method and seedling planting method of cross-year regrowing rice seeds - Google Patents
Cultivating method and seedling planting method of cross-year regrowing rice seeds Download PDFInfo
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- CN103782857A CN103782857A CN201410031818.XA CN201410031818A CN103782857A CN 103782857 A CN103782857 A CN 103782857A CN 201410031818 A CN201410031818 A CN 201410031818A CN 103782857 A CN103782857 A CN 103782857A
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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H1/00—Processes for modifying genotypes ; Plants characterised by associated natural traits
- A01H1/02—Methods or apparatus for hybridisation; Artificial pollination ; Fertility
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
- A01H5/10—Seeds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/46—Gramineae or Poaceae, e.g. ryegrass, rice, wheat or maize
- A01H6/4636—Oryza sp. [rice]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/13—Abiotic stress
- Y02A40/132—Plants tolerant to drought
Abstract
The invention provides a cultivating method of cross-year regrowing rice seeds. According to the cultivating method, wild rice containing cold-resisting and root-flourishing genes is adopted as a male parent, DS89-1 glutinous rice is adopted as a female parent, 3-5 times of recrossing is carried out, and then the cross-year regrowing rice seeds can be obtained. The invention further provides a seedling planting method of the cross-year regrowing rice seeds. Rice which is grown from the cross-year regrowing rice seeds obtained through the cultivating method and is planted according to the seedling planting method has the advantages of being high in yield and milled rice rate, good in rice quality, capable of regrowing in the next year and strong in cold resistance, drought resistance, lodging resistance and Magnaporthe oryzae resistance.
Description
Technical field
The present invention relates to a kind of more breeding method and the seedling grow method of year recycled water rice.
Background technology
Paddy rice is one of most important cereal crops in the world, is the staple food of China's population over half.Along with the continuous increase of world population, global arable area reduces year by year, and natural calamity takes place frequently, and grain growth is increasingly slow, and grain security has become the hot issue of international community's common concern.The existing Rice Production of China need be ploughed a field every year, and sowing is every year transplanted seedlings, and exists labour intensity large, and production cost is high, the shortcoming that economic benefit is low.Some agricultural experts once proposed employing no-tillage system and cultivated paddy rice, but failed thoroughly to realize in time.A development more year ratoon rice is that rice yield improves in China, stabilization of rice is always produced, and improves paddy rice economic benefit, guarantees the inevitable choice of grain security.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of more breeding method of year recycled water rice.This breeding method, using the wild rice that contains cold-resistant and well developed root system gene as male parent, using DS89-1 glutinous rice as female parent, through repeated crossing for many years, obtains a more year recycled water rice.
A further object of the present invention is to provide the described more seedling grow method of year recycled water rice.
For achieving the above object, the present invention takes following measure:
The more breeding method of year recycled water rice of the present invention, comprises the following steps:
(1) select the leeward large infertile field that has water source to ensure on the sunny side, using the wild rice that contains cold-resistant and well developed root system gene as male parent, at temperature, more than 15 ℃, plastic film, uses sufficient base fertilizer; Five leaves are transplanted into wild rice wholeheartedly time the large row of 1.2 meters wide, every nest one strain, and row are apart from being 7～8 cun;
(2) the described wild rice of step (1) was transplanted after 1 month, and using DS89-1 glutinous rice as female parent, mulch film is grown seedlings and thrown off mulch film to two leaves wholeheartedly time routinely;
(3) DS89-1 glutinous rice rice shoot grows to five leaves and is transplanted to wholeheartedly time in the described large row of step (1), and wherein every large row is planted DS89-1 glutinous rice rice shoot two little row, every nest two strains; In the time of wild rice and the flower synchronization of DS89-1 glutinous rice, at 11 in the morning between at 1 in afternoon, hybridization pollination mode routinely, makes wild rice and the hybridization of DS89-1 glutinous rice;
(4) DS89-1 glutinous rice produces after seed complete ripeness results, and DS89-1 glutinous rice rice stub is treaded in the ranks and makes fertilizer in earth; Wild rice rice stub is remained to Tanaka, outdoor wintering;
(5) Second Year, again take the wild rice rice stub after the described outdoor wintering of step (4) as male parent, take DS89-1 seed that glutinous rice is produced as maternal, adopts the described method hybridization in step (3)～(4);
(6) after this by the described method of step (5), the wild rice rice stub after outdoor wintering in above a year is male parent, and within above 1 year, the maternal institute seed that produces is female parent, and recross 3～5 years, must get over a year recycled water rice.
In above-mentioned breeding method, described step (3) also comprises that employing plant growth regulator makes wild rice and the flower synchronization of DS89-1 glutinous rice.
In above-mentioned breeding method, when the middle hybridization pollination of described step (3), temperature should be not less than 23 ℃.
The more seedling grow method of year recycled water rice of the present invention, comprises the steps:
(1) will get over year recycled water rice routinely mulch film grow seedlings, two leaves are thrown off mulch film wholeheartedly time, when five leaves, transplant to land for growing field crops in time, plant into 13～17 cun of wide row, 6～7 cun of narrow rows, row are apart from 6～7 cun, before wherein transplanting, land for growing field crops is used sufficient to base fertilizer, take fertilizer as main, not spraying fertilizer; The time of described plastic film is to grow seedlings or grow seedlings or grow seedlings in early January in the area in three seasons of rice harves in early Febuary in the area in two seasons of rice harves in early March in the area in one season of rice harves;
(2) forbid to fill with deep water the time of infertility, manage routinely and apply fertilizer; Gather in the crops and per season need retain rice stub 18～25cm when paddy; In first 15 days of last season rice harves then, mu was executed 9～10 kilograms of rudiment fertilizer, after base portion rudiment, gathers in the crops paddy;
(3) after, the described management by methods paddy rice of annual employing step (2), to obtain final product.
In above-mentioned seedling grow method, in described step (2), rudiment fertilizer is urea.
The more year recycled water rice that breeding method of the present invention obtains, according to the paddy rice of described seedling grow method plantation, has the following advantages:
(1) output is high: output is higher than DS89-1 glutinous rice, and in Nian Shou Yi Jidao district plantation, 500～600 kilograms of annual per mu yields, reach as high as 800 kilograms; In Nian Shou Liang Jidao district plantation, 1200～1400 kilograms of annual per mu yields, reach as high as 1500 kilograms of per mu yields; In Nian Shou San Jidao district plantation, 1300～1500 kilograms of annual per mu yields, reach as high as 1800 kilograms of per mu yields.Because rice straw increases slightly year by year, therefore rice yield raises year by year simultaneously.
(2) milled rice rate is high: because husk is very thin, polished rice rate can reach more than 72%.
(3) rice is of fine quality: paddy rice, through outdoor wintering frost and snow is freezing for many years, improves quality of rice, and protein is up to 8.92%, and amino acid total content reaches 7.89%, is obviously better than the rice matter of DS89-1 glutinous rice.
(4) cold tolerance is strong: because its male parent wild rice has cold-resistant gene, so cold tolerance extra-heavy, outdoor wintering (6 ℃) rice stub can be dead, can normal sprout growth after Second Year beginning of spring.
(5) drought-resistant ability is strong: also can normal growth in the deep moistening nonirrigated farmland of soil.
(6) resistant to lodging strong: because its male parent wild rice has the gene of well developed root system, therefore rice stalk is thick and hard, can not lodge.
(7) blast resisting is strong: the time of infertility can be without rice blast medicine.
(8) more year regeneration: rice stub can be got over year regeneration more than 5～10 years, no-tillage no is planted and has greatly been alleviated the labour intensity of rice agriculture in the time of double rush for harvesting and sowing season, greatly reduce that Rice Production must be ploughed a field every year, transplanted seedlings, the production cost of seedling, seed, mulch film, thereby improved the economic benefit of Rice Production.
Embodiment
Below in conjunction with embodiment, summary of the invention of the present invention is described in further detail.Should understand, only unrestricted the present invention for the present invention is described of embodiments of the invention, in the situation that not departing from the technology of the present invention thought, according to ordinary skill knowledge and customary means, various replacements and the change made, all should comprise within the scope of the invention.
Embodiment 1 is the cultivation of year recycled water rice more
(1) select the leeward large infertile field that has water source to ensure on the sunny side, using the wild rice that contains cold-resistant and well developed root system gene as male parent, at temperature, more than 15 ℃, plastic film, uses sufficient base fertilizer; Five leaves are transplanted into wild rice wholeheartedly time the large row of 1.2 meters wide, every nest one strain, and row are 7～8 cun apart from (moving back nest);
(2) the described wild rice of step (1) was transplanted after 1 month, and using DS89-1 glutinous rice as female parent, mulch film is grown seedlings and thrown off mulch film to two leaves wholeheartedly time routinely;
(3) DS89-1 glutinous rice rice shoot grows to five leaves and is transplanted to wholeheartedly time between the described large row of step (1), and wherein every large row is planted DS89-1 glutinous rice rice shoot two little row, every nest two strains; In the time of wild rice and the flower synchronization of DS89-1 glutinous rice (if the florescence can not meet, adopt plant growth regulator to regulate), at 11 in the morning between at 1 in afternoon, when temperature reaches more than 23 ℃, hybridization pollination mode routinely, makes wild rice and the hybridization of DS89-1 glutinous rice;
(4) DS89-1 glutinous rice produces after seed complete ripeness results, and DS89-1 glutinous rice rice stub is treaded in the ranks and makes fertilizer in earth; Wild rice rice stub is remained to Tanaka, outdoor wintering;
(5) Second Year, again take the wild rice rice stub after the described outdoor wintering of step (4) as male parent, take DS89-1 seed that glutinous rice is produced as maternal, adopts the described method hybridization in step (3)～(4);
(6) after this by the described method of step (5), the wild rice rice stub after outdoor wintering in above a year is male parent, and within above 1 year, the maternal institute seed that produces is female parent, and recross 3～5 years, must get over a year recycled water rice.
Embodiment 2 Yi Jidao districts are the seedling grow of year recycled water rice more
(1) select more than 60 mu of conducts in Ma Guan town, Zhong County, Chongqing experimental field, paddy rice produces a season.The more year recycled water rice that embodiment 1 is cultivated mid-March routinely mulch film grow seedlings, two leaves are thrown off mulch film wholeheartedly time, when five leaves, transplant to land for growing field crops in time, plant into 13～17 cun of wide row, 6～7 cun of narrow rows, row, apart from (moving back nest) 6～7 cun, use sufficient base fertilizer by land for growing field crops before wherein transplanting, take fertilizer as main, not spraying fertilizer;
(2) forbid to fill with deep water the time of infertility, manage routinely and apply fertilizer; Paddy rice complete ripeness at the beginning of 9 months by the end of August; First 15 days of rice harves, mu is executed 9～10 kilograms of rudiment fertilizer, after base portion rudiment, gathers in the crops paddy, and rice stub retains 18～25cm;
(3) after, the described management by methods paddy rice of annual employing step (2), to obtain final product.
Between planting season, the output of 1-7 paddy rice is as shown in table 1.
Table 1 Yi Jidao district is the output of year regeneration paddy rice 1-7 more
Between planting season, annual rice stub without lodging phenomenon, need not use anti-rice blast medicine substantially, and through outdoor wintering (temperature is low to moderate-6 ℃), rice stub is without death, and rice straw increases slightly year by year.After the 7th year, rice stub is survival still, can produce rice by normal growth, the longest survive, produce rice to 15 year more than.
Embodiment 3 Liang Jidao districts are the seedling grow of year recycled water rice more
(1) select more than 80 mu of conducts experimental field at Chenzhou, Hunan Province, paddy rice produced for two seasons.The more year recycled water rice that embodiment 1 is cultivated mid-February routinely mulch film grow seedlings, two throw off mulch film wholeheartedly time, when five leaves, transplant to land for growing field crops in time, plant into 13～17 cun of wide row, 6～7 cun of narrow rows, row, apart from (moving back nest) 6～7 cun, use sufficient base fertilizer by land for growing field crops before wherein transplanting, take fertilizer as main, not spraying fertilizer;
(2) forbid to fill with deep water the time of infertility, manage routinely and apply fertilizer; The first season, paddy rice complete ripeness was gathered in the crops by the end of July, and rice stub retains 18～25cm, manages in time and applies fertilizer; By the end of October the second season paddy rice complete ripeness, in the rice harves second season first 15 days, mu was executed 9～10 kilograms of rudiment fertilizer, after base portion rudiment, gathers in the crops paddy, the stake of falling retains a 18～25cm;
(3) after, the described management by methods paddy rice of annual employing step (2), to obtain final product.
Between planting season, the output of 1-7 paddy rice is as shown in table 2.
Table 2 Liang Jidao district is the output of year regeneration paddy rice 1-7 more
Between planting season, annual rice stub without lodging phenomenon, need not use anti-rice blast medicine substantially, and through outdoor wintering (temperature is low to moderate-6 ℃), rice stub is without death, and rice straw increases slightly year by year.After the 7th year, rice stub is survival still, can produce rice by normal growth, the longest survive, produce rice to 14 year more than.
Embodiment 4 triple cropping of rice districts are the seedling grow of year recycled water rice more
(1) select more than 100 mu of conducts experimental field at Sanya, Hainan, paddy rice produced for three seasons.The more year recycled water rice that embodiment 1 is cultivated mid-January routinely mulch film grow seedlings, two leaves are thrown off mulch film wholeheartedly time, when five leaves, transplant to land for growing field crops in time, plant into 13～17 cun of wide row, 6～7 cun of narrow rows, row, apart from (moving back nest) 6～7 cun, use sufficient base fertilizer by land for growing field crops before wherein transplanting, take fertilizer as main, not spraying fertilizer;
(2) forbid to fill with deep water the time of infertility, manage routinely and apply fertilizer; The first season, paddy rice complete ripeness was gathered in the crops by the end of May, and the stake of falling retains 18～25cm, manages in time and applies fertilizer; The second season, paddy rice complete ripeness was gathered in the crops by the end of July, and the stake of falling retains a 18～25cm, manages in time and applies fertilizer; By the end of October the third quarter paddy rice complete ripeness, in third quarter rice harves first 15 days, mu was executed 9～10 kilograms of rudiment fertilizer, after base portion rudiment, gathers in the crops paddy, the stake of falling retains a 18～25cm;
(3) after, the described management by methods paddy rice of annual employing step (2), to obtain final product.
Between planting season, the output of 1-7 paddy rice is as shown in table 3.
Table 3 Liang Jidao district is the output of year regeneration paddy rice 1-7 more
Between planting season, annual rice stub without lodging phenomenon, need not use anti-rice blast medicine substantially, and through outdoor wintering (minimum temperature is 15 ℃), rice stub is without death, and rice straw increases slightly year by year.After the 7th year, rice stub is survival still, can produce rice by normal growth, the longest survive, produce rice to 16 year more than.
The milled rice rate of embodiment 2～4 paddy that produces is polished rice more than 72%, and protein content is 8.92%, meter Zhi Da Ministry of Agriculture high-quality one-level rice standard, and table 4 is the survey report of Ministry of Agriculture's food quality supervision verification test center (Chengdu) to rice matter.
The survey report of table 4 meter matter
The more rice shoot of year recycled water rice incubation of the present invention also can be planted in dry land, and paddy can be planted vegetables and little spring sown crop greatly in the ranks after receiving, and answers application in time, pours water, weeding etc. after little spring sown crop and vegetables receipts.
The plantation of embodiment 5DS89-1 glutinous rice
(1) select more than 85 mu of conducts in Zhong County, Chongqing experimental field, paddy rice produces a season.By DS89-1 glutinous rice seed mid-March routinely mulch film grow seedlings, two leaves are thrown off mulch film wholeheartedly time, when five leaves, transplant to land for growing field crops in time, plant into 13～17 cun of wide row, 6～7 cun of narrow rows, row are apart from (moving back nest) 6～7 cun, before wherein transplanting, land for growing field crops is used sufficient to base fertilizer, take fertilizer as main, not spraying fertilizer;
(2) forbid to fill with deep water the time of infertility, manage routinely and apply fertilizer; After paddy rice complete ripeness, gather in the crops by the end of August, rice stub retains 18～25cm;
(3) after, the described management by methods paddy rice of annual employing step (2), to obtain final product.
420 kgs/acre of First Year paddy rice per mu yields, 2-7 annual per mu yield is respectively 423 kilograms, 440 kilograms, 445 kilograms, 450 kilograms, 463 kilograms, 475 kilograms.
Between planting season, annual rice stub is substantially without the phenomenon that lodges, and without death, but has slight rice blast through outdoor wintering (temperature is low to moderate-6 ℃) rice stub, need to use anti-rice blast medicine, and rice straw increases slightly year by year.The longest survive, produce rice to 12 year more than.
Detect through Ministry of Agriculture's rice and quality of item supervision and inspection center, the milled rice rate of paddy is polished rice 71.9%, and protein content is 8.7%, and rice matter is not as the rice matter of rice described in embodiment 2～4.
DS89-1 glutinous rice is planted respectively to Yu Liangjidao district and triple cropping of rice district, its in per season paddy rice output and year regeneration paddy rice more as described in the present invention of meter Zhi Jun.Also that is to say, the more year recycled water rice that adopts breeding method of the present invention to obtain, according to the paddy rice of described seedling grow method plantation, its rice yield is high, and good grain quality is better than DS89-1 glutinous rice.
Claims (5)
1. get over a year breeding method for recycled water rice, it is characterized in that, comprise the following steps:
(1) select the leeward large infertile field that has water source to ensure on the sunny side, using the wild rice that contains cold-resistant and well developed root system gene as male parent, at temperature, more than 15 ℃, plastic film, uses sufficient base fertilizer; Five leaves are transplanted into wild rice wholeheartedly time the large row of 1.2 meters wide, every nest one strain, and row are apart from being 7～8 cun;
(2) the described wild rice of step (1) was transplanted after 1 month, and using DS89-1 glutinous rice as female parent, mulch film is grown seedlings and thrown off mulch film to two leaves wholeheartedly time routinely;
(3) DS89-1 glutinous rice rice shoot grows to five leaves and is transplanted to wholeheartedly time in the described large row of step (1), and wherein every large row is planted DS89-1 glutinous rice rice shoot two little row, every nest two strains; In the time of wild rice and the flower synchronization of DS89-1 glutinous rice, at 11 in the morning between at 1 in afternoon, hybridization pollination mode routinely, makes wild rice and the hybridization of DS89-1 glutinous rice;
(4) DS89-1 glutinous rice produces after seed complete ripeness results, and DS89-1 glutinous rice rice stub is treaded in the ranks and makes fertilizer in earth; Wild rice rice stub is remained to Tanaka, outdoor wintering;
(5) Second Year, again take the wild rice rice stub after the described outdoor wintering of step (4) as male parent, take DS89-1 seed that glutinous rice is produced as maternal, adopts the described method hybridization in step (3)～(4);
(6) after this by the described method of step (5), the wild rice rice stub after outdoor wintering in above a year is male parent, and within above 1 year, the maternal institute seed that produces is female parent, and recross 3～5 years, must get over a year recycled water rice.
2. breeding method according to claim 1, is characterized in that: described step (3) also comprises that employing plant growth regulator makes wild rice and the flower synchronization of DS89-1 glutinous rice.
3. breeding method according to claim 1, is characterized in that: when the middle hybridization pollination of described step (3), temperature should be not less than 23 ℃.
4. get over a year seedling grow method for recycled water rice, it is characterized in that, comprise the steps:
(1) will get over year recycled water rice routinely mulch film grow seedlings, two leaves are thrown off mulch film wholeheartedly time, when five leaves, transplant to land for growing field crops in time, plant into 13～17 cun of wide row, 6～7 cun of narrow rows, row are apart from 6～7 cun, before wherein transplanting, land for growing field crops is used sufficient to base fertilizer, take fertilizer as main, not spraying fertilizer; The time of described plastic film is to grow seedlings or grow seedlings or grow seedlings in early January in the area in three seasons of rice harves in early Febuary in the area in two seasons of rice harves in early March in the area in one season of rice harves;
(2) forbid to fill with deep water the time of infertility, manage routinely and apply fertilizer; Gather in the crops and per season need retain rice stub 18～25cm when paddy; In first 15 days of last season rice harves then, mu was executed 9～10 kilograms of rudiment fertilizer, after base portion rudiment, gathers in the crops paddy;
(3) after, the described management by methods paddy rice of annual employing step (2), to obtain final product.
5. seedling grow method according to claim 4, is characterized in that: in described step (2), rudiment fertilizer is urea.
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| CN201410031818.XA CN103782857B (en) | 2014-01-23 | 2014-01-23 | A kind of breeding method getting over year recycled water rice and nursery implantation methods |
| PCT/CN2014/090767 WO2015109880A1 (en) | 2014-01-23 | 2014-11-11 | Method for cultivating overyear regrowing rice seeds and seedling growing and planting method |
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| WO2015109880A1 (en) * | 2014-01-23 | 2015-07-30 | 胡代书 | Method for cultivating overyear regrowing rice seeds and seedling growing and planting method |
| CN106489722A (en) * | 2016-11-10 | 2017-03-15 | 成都沃盛源农业科技有限公司 | A kind of selection of long term growth perfume round-grained rice rice paddy seed |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015109880A1 (en) * | 2014-01-23 | 2015-07-30 | 胡代书 | Method for cultivating overyear regrowing rice seeds and seedling growing and planting method |
| CN106489722A (en) * | 2016-11-10 | 2017-03-15 | 成都沃盛源农业科技有限公司 | A kind of selection of long term growth perfume round-grained rice rice paddy seed |
| CN107667852A (en) * | 2017-10-31 | 2018-02-09 | 雅安雨禾农业科技有限责任公司 | The production method of rice paddy seed and its application |
| CN110036846A (en) * | 2019-04-04 | 2019-07-23 | 云南大学 | A kind of cultural method improving perennial rice hair seedling uniformity |
| CN110771463A (en) * | 2019-11-20 | 2020-02-11 | 湖南晶优农业科技开发有限公司 | Ratooning rice cultivation method and ratooning rice seeds |
| CN111296274A (en) * | 2020-02-21 | 2020-06-19 | 芜湖市星火农业实用技术研究所 | Rice variety breeding method of ratoon rice |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015109880A1 (en) | 2015-07-30 |
| CN103782857B (en) | 2016-10-26 |
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