CN108934857A - A kind of breeding method of upland rice seed rice - Google Patents

A kind of breeding method of upland rice seed rice Download PDF

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Publication number
CN108934857A
CN108934857A CN201810942630.9A CN201810942630A CN108934857A CN 108934857 A CN108934857 A CN 108934857A CN 201810942630 A CN201810942630 A CN 201810942630A CN 108934857 A CN108934857 A CN 108934857A
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rice
upland
seed
seed rice
domestication
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CN108934857B (en
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马玉荣
蒋友明
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Guilin Quanzhou Xinji rice Co.,Ltd.
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County Water Hongqiao Rice Industry Ltd Co
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/20Cereals
    • A01G22/22Rice
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/06Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants

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  • 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)
  • Cultivation Of Plants (AREA)

Abstract

A kind of breeding method of upland rice seed rice of the present invention, comprising the following steps: (1) cultivate domestication first generation seed rice;(2) domestication second generation seed rice is cultivated;(3) breeding goal upland rice seed rice.A kind of breeding method of upland rice seed rice of the present invention, " fragrant silk seedling " seed rice is seeded on nonirrigated farmland, by constantly taming, rice seed rice is cultivated into upland rice seed rice stable at drought resistance, can adapt to land production, the breeding method of upland rice seed rice of the present invention is easy to operate, application easy to spread, the cost low 70% or more than cultivating upland rice seed rice in a manner of hybridization, than 50% or more rice water-saving, head rice rate is up to 50% or more, and 350 kilograms of per mu yield or more, planting cost is low.

Description

A kind of breeding method of upland rice seed rice
Technical field
The present invention relates to agricultural plantation technology fields, and in particular to a kind of breeding method of upland rice seed rice.
Background technique
Upland rice is called dryland rice.By rice, domestication for a long time develops one formed environmental work under the conditions of the nonirrigated farmland of no water layer Object.It adapts in dry-land cultivation, can also be planted in paddy field or depression, be mainly distributed on summer rainwater stabilization but lack irrigation conditions The low laying areas of nonirrigated farmland, hillside or spring drought and summer and autumn easily flood.There is a small amount of cultivation in China north and south rice belt.Stem, the leaf of dryland rice Sturdy in great numbers, blade is wider, and color is light, well developed root system, and root hair is more, and the osmotic pressure of root and the cell juice concentration of blade are higher, resistance to morning, Heat-resisting, water absorbing force is strong.Yield is generally below rice, and rice milling yield is low, and rice matter is also more secondary.
To meet the market requirement, the good upland rice seed rice of strong drought resistance, rice matter need to be selected.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of strong drought resistances, the good upland rice seed rice of rice matter Breeding method.
To achieve the goals above, The technical solution adopted by the invention is as follows: a kind of breeding method of upland rice seed rice, including Following steps:
(1) it cultivates domestication first generation seed rice: " fragrant silk seedling " seed rice is seeded on 1 mu~2 mu nonirrigated farmlands, the maturity period collects single plant production Paddy of the amount not less than 37g/ plants, which is used as, obtains domestication first generation seed rice;
(2) it cultivates domestication second generation seed rice: domestication first generation seed rice being seeded on 3 mu~4 mu nonirrigated farmlands, the maturity period collects single plant Paddy of the yield not less than 40g/ plants, which is used as, obtains domestication second generation seed rice;
(3) breeding goal upland rice seed rice: domestication second generation seed rice is seeded on 5 mu~8 mu nonirrigated farmlands, and the maturity period collects single plant production Paddy of the amount not less than 43g/ plants is to get the upland rice seed rice.
Preferably, it when " fragrant silk seedling " rice seedling in the step (1) grows to 8 ㎝~10 ㎝ high, is spread in the root of rice seedling A layer thickness is the dry rice straw of the ㎝ of 4 ㎝~6.
Preferably, it when the domestication first generation rice seedling in the step (2) grows to 8 ㎝~10 ㎝ high, is spread in the root of rice seedling Upper a layer thickness is the dry rice straw of the ㎝ of 3.0 ㎝~3.5.
Preferably, it when the domestication second generation rice seedling in the step (3) grows to 8 ㎝~10 ㎝ high, is spread in the root of rice seedling Upper a layer thickness is the dry rice straw of the ㎝ of 1.5 ㎝~2.0.
Preferably, brassinosteroid is sprayed when upland rice ears flowering in the step (1), the brassinosteroid Dosage is 25 grams/acre~30 grams/acre.
The beneficial effects of the present invention are: a kind of breeding method of upland rice seed rice of the present invention, " fragrant silk seedling " seed rice is seeded into On nonirrigated farmland, by constantly taming, rice seed rice is cultivated into upland rice seed rice stable at drought resistance, can adapt to land production, The breeding method of upland rice seed rice of the present invention is easy to operate, application easy to spread, than cultivated in a manner of hybridization upland rice seed rice at This low 70% or more, than 50% or more rice water-saving, head rice rate is up to 50% or more, 350 kilograms of per mu yield or more, planting cost It is low.
A kind of breeding method of upland rice seed rice of the present invention, constantly adjusts during rice seed rice is domesticated for upland rice seed rice The thickness of spread dry rice straw on rice seedling root plays the role of adjusting nonirrigated farmland surface moisture evaporation rate, can be effectively controlled water Rice seed rice is domesticated for the domestication intensity of upland rice seed rice, promotes the survival rate of rice seedling during rice domestication, it is anti-to promote upland rice seed rice The stability of non-irrigated performance.
A kind of breeding method of upland rice seed rice of the present invention sprays when cultivating domestication first generation seed rice when upland rice ears flowering Brassinosteroid can promote upland rice setting percentage, obtain domestication first in favor of cultivating the high paddy conduct of more single plant yields For seed rice.
Specific embodiment
The following examples can help those skilled in the art that the present invention is more fully understood, but cannot be with any Mode limits the present invention.
Embodiment 1
A kind of breeding method of upland rice seed rice, comprising the following steps:
(1) it cultivates domestication first generation seed rice: " fragrant silk seedling 2 " seed rice being seeded on 1 mu of nonirrigated farmland, " fragrant silk seedling 2 " rice seedling is long When to 8 ㎝ high, rice seedling root layer overlay with a thickness of the dry rice straw of 4 ㎝, sprayed when upland rice ears flowering in rape element Ester, the dosage of the brassinosteroid are 25 grams/acre, and it is tame and docile as obtaining not less than 37g/ plants of paddy that the maturity period collects single plant yield Change first generation seed rice;
(2) it cultivates domestication second generation seed rice: domestication first generation seed rice is seeded on 3 mu of nonirrigated farmlands, domestication first generation rice seedling grows to 8 When ㎝ high, rice seedling root layer overlay with a thickness of the dry rice straw of 3.0 ㎝, the maturity period collects single plant yield not less than 40g/ plants Paddy as obtain domestication second generation seed rice;
(3) breeding goal upland rice seed rice: domestication second generation seed rice is seeded on 5 mu of nonirrigated farmlands, and domestication second generation rice seedling grows to 8 ㎝ Gao Shi, rice seedling root layer overlay with a thickness of the dry rice straw of 1.5 ㎝, the maturity period collects single plant yield not less than 43g/ plants Paddy is to get the upland rice seed rice.
Upland rice seed rice is cultivated using above-mentioned breeding method, when cultivating domestication first generation seed rice, paddy per mu yield is 430 jin; When cultivating domestication second generation seed rice, paddy per mu yield is 550 jin;When breeding goal upland rice seed rice, paddy per mu yield is 660 jin; The target upland rice seed rice cultivated is planted, paddy per mu yield is 780 jin, than rice water-saving 55%, head rice rate in planting process Up to 55%.
Embodiment 2
A kind of breeding method of upland rice seed rice, comprising the following steps:
(1) it cultivates domestication first generation seed rice: " fragrant silk seedling 2 " seed rice being seeded on 2 mu of nonirrigated farmlands, " fragrant silk seedling 2 " rice seedling is long When to 10 ㎝ high, rice seedling root layer overlay with a thickness of the dry rice straw of 6 ㎝, sprayed when upland rice ears flowering in rape element Ester, the dosage of the brassinosteroid are 30 grams/acre, and it is tame and docile as obtaining not less than 37g/ plants of paddy that the maturity period collects single plant yield Change first generation seed rice;
(2) it cultivates domestication second generation seed rice: domestication first generation seed rice is seeded on 4 mu of nonirrigated farmlands, domestication first generation rice seedling is grown to When 10 ㎝ high, rice seedling root layer overlay with a thickness of the dry rice straw of 3.5 ㎝, the maturity period collects single plant yield not less than 40g/ The paddy of strain, which is used as, obtains domestication second generation seed rice;
(3) breeding goal upland rice seed rice: domestication second generation seed rice is seeded on 8 mu of nonirrigated farmlands, and domestication second generation rice seedling grows to 10 When ㎝ high, rice seedling root layer overlay with a thickness of the dry rice straw of 2.0 ㎝, the maturity period collects single plant yield not less than 43g/ plants Paddy to get the upland rice seed rice.
Upland rice seed rice is cultivated using above-mentioned breeding method, when cultivating domestication first generation seed rice, paddy per mu yield is 450 jin; When cultivating domestication second generation seed rice, paddy per mu yield is 560 jin;When breeding goal upland rice seed rice, paddy per mu yield is 670 jin; The target upland rice seed rice cultivated is planted, paddy per mu yield is 770 jin, than rice water-saving 56%, head rice rate in planting process Up to 57%.
Embodiment 3
A kind of breeding method of upland rice seed rice, comprising the following steps:
(1) it cultivates domestication first generation seed rice: " fragrant silk seedling 1 " seed rice being seeded on 1.5 mu of nonirrigated farmlands, " fragrant silk seedling 1 " rice seedling When growing to 9 ㎝ high, rice seedling root layer overlay with a thickness of 5 ㎝ dry rice straw, upland rice ear flowering when spray rape element Lactone, the dosage of the brassinosteroid are 26 grams/acre, and the maturity period collects paddy conduct of the single plant yield not less than 37g/ plants and obtains Tame first generation seed rice;
(2) it cultivates domestication second generation seed rice: domestication first generation seed rice being seeded on 3.5 mu of nonirrigated farmlands, domestication first generation rice seedling is long When to 9 ㎝ high, rice seedling root layer overlay with a thickness of the dry rice straw of 3.2 ㎝, the maturity period collects single plant yield and is not less than 40g/ plants of paddy, which is used as, obtains domestication second generation seed rice;
(3) breeding goal upland rice seed rice: domestication second generation seed rice is seeded on 6 mu of nonirrigated farmlands, and domestication second generation rice seedling grows to 9 ㎝ Gao Shi, rice seedling root layer overlay with a thickness of the dry rice straw of 1.8 ㎝, the maturity period collects single plant yield not less than 43g/ plants Paddy is to get the upland rice seed rice.
Upland rice seed rice is cultivated using above-mentioned breeding method, when cultivating domestication first generation seed rice, paddy per mu yield is 470 jin; When cultivating domestication second generation seed rice, paddy per mu yield is 580 jin;When breeding goal upland rice seed rice, paddy per mu yield is 680 jin; The target upland rice seed rice cultivated is planted, paddy per mu yield is 790 jin, than rice water-saving 58%, head rice rate in planting process Up to 60%.
Although above the present invention is described in detail with a general description of the specific embodiments, On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.

Claims (5)

1. a kind of breeding method of upland rice seed rice, which comprises the following steps:
(1) it cultivates domestication first generation seed rice: " fragrant silk seedling " seed rice is seeded on 1 mu~2 mu nonirrigated farmlands, the maturity period collects single plant production Paddy of the amount not less than 37g/ plants, which is used as, obtains domestication first generation seed rice;
(2) it cultivates domestication second generation seed rice: domestication first generation seed rice being seeded on 3 mu~4 mu nonirrigated farmlands, the maturity period collects single plant Paddy of the yield not less than 40g/ plants, which is used as, obtains domestication second generation seed rice;
(3) breeding goal upland rice seed rice: domestication second generation seed rice is seeded on 5 mu~8 mu nonirrigated farmlands, and the maturity period collects single plant production Paddy of the amount not less than 43g/ plants is to get the upland rice seed rice.
2. a kind of breeding method of upland rice seed rice according to claim 1, which is characterized in that " fragrant in the step (1) Silk seedling " rice seedling is when growing to 8 ㎝~10 ㎝ high, rice seedling root layer overlay with a thickness of the ㎝ of 4 ㎝~6 dry rice straw.
3. a kind of breeding method of upland rice seed rice according to claim 1, which is characterized in that taming and dociling in the step (2) Change the first generation rice seedling when growing to 8 ㎝~10 ㎝ high, rice seedling root layer overlay with a thickness of the ㎝ of 3.0 ㎝~3.5 dry rice straw.
4. a kind of breeding method of upland rice seed rice according to claim 1, which is characterized in that taming and dociling in the step (3) Change the second generation rice seedling when growing to 8 ㎝~10 ㎝ high, rice seedling root layer overlay with a thickness of the ㎝ of 1.5 ㎝~2.0 dry rice straw.
5. a kind of breeding method of upland rice seed rice according to claim 1, which is characterized in that in the step (1) Brassinosteroid is sprayed when upland rice heading flowering, the dosage of the brassinosteroid is 25 grams/acre~30 grams/acre.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109429955A (en) * 2018-12-22 2019-03-08 徐海恩 A kind of implantation methods of upland rice
CN113692804A (en) * 2021-10-08 2021-11-26 江苏千重浪农业科技发展有限公司 Breeding method of high-quality high-yield disease-resistant rice variety

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CN103960127A (en) * 2014-05-27 2014-08-06 黄群策 Method for improving edible taste of brown rice
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109429955A (en) * 2018-12-22 2019-03-08 徐海恩 A kind of implantation methods of upland rice
CN113692804A (en) * 2021-10-08 2021-11-26 江苏千重浪农业科技发展有限公司 Breeding method of high-quality high-yield disease-resistant rice variety

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Address after: 541000 niujinshan, Dongjia village, Baizhu village committee, Xianshui Town, Quanzhou County, Guilin City, Guangxi Zhuang Autonomous Region

Patentee after: Guilin Quanzhou Xinji rice Co.,Ltd.

Address before: 541000 salt water market, Xianshui Township, Quanzhou County, Guilin City, Guangxi Zhuang Autonomous Region

Patentee before: QUANZHOU XIANSHUI HONGQIAO RICE INDUSTRY Co.,Ltd.

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Denomination of invention: A cultivation method for upland rice varieties

Granted publication date: 20200612

Pledgee: Bank of China Limited by Share Ltd. Guilin branch

Pledgor: Guilin Quanzhou Xinji rice Co.,Ltd.

Registration number: Y2024980000457

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