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Breeding method of aroma-type conventional rice variety with high milling rate and extra slender rice grains

A technology of whole milled rice rate and variety, applied in the fields of botanical equipment and methods, plant genetic improvement, application, etc., can solve the problems of difficult direct application, easy lodging in production, low production efficiency, etc., to improve rice yield and good palatability. , the effect of vertical extension

Active Publication Date: 2019-09-20
福建邦粮农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the growth period of "Boshan" variety is as long as 180 days, the plant height is 140 cm, the yield is average, and the average number of grains per panicle is 80 grains, so it is difficult to be directly applied, and it is easy to lodging in production, and the production efficiency is low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1) The high-quality long-grain conventional variety "Ivory Xiangzhan" with good high yield, short growth period, moderate plant height and fragrant rice grains and the long-grain variety with moderate plant height, high rice rate, large ears and many grains, and high yield were used respectively. The grain type variety "C10" is the female parent; the grain is short and round (the length of the rice grain is 6.00mm, the width of the grain is 2.9mm, and the aspect ratio is 2.07), the whole rice rate is as high as 70%, and the length of the rice grain after cooking is 11.5mm The rice variety "Boshan" with an aspect ratio of 3.2 and good resistance was used as the male parent for the hybrid combination F A / F C with F B / F C ; Planting hybrid F A / F C with F B / F C , and with F A / F C with F B / F C cross again to obtain the first generation of recrossing, with F （A / C / / B / C） express; plant F （A / C / / B / C）， and harvest F 2 seed;

[0016] 2) Plant F 2 Seeds were pla...

Embodiment 2

[0023] 1) The high-quality long-grain conventional variety "Zhaoxiang No. 1" with good high yield, short growth period, moderate plant height, and fragrant rice grains was used respectively, and the high-quality long-grained conventional variety "Zhaoxiang No. 1" with moderate plant height, high milled rice rate, large ear and many grains, and good high yield The long-grain variety "C10" is the female parent; the grain is short and round (the length of the rice grain is 6.00mm, the width of the grain is 2.9mm, and the aspect ratio is 2.07). mm, with an aspect ratio of 3.2, and a rice variety "Boshan" with good resistance as the male parent, used as the hybrid combination F A / F C with FB / F C ; Planting hybrid F A / F C with F B / F C , and with F A / F C with F B / F C cross again to obtain the first generation of recrossing, with F （A / C / / B / C） express; plant F （A / C / / B / C）， and harvest F 2 seed;

[0024] 2) Plant F 2 Seeds, plant 2,500 plants, and select long-grained ...

Embodiment 3

[0031] 1) Use the high-quality long-grain conventional variety "Wanlixiang" with good high yield, short growth period, moderate plant height and fragrant rice grains, and the long-grain variety with moderate plant height, high rice milling rate, large ears and many grains, and high yield. "C10" is the female parent; with short and round grains (rice grain length 6.00mm, grain width 2.9mm, aspect ratio 2.07), the whole rice rate is as high as 70%, and the rice grain length after cooking is 11.5mm. The rice variety "Boshan" with a length-to-width ratio of 3.2 and good resistance was used as the male parent for the hybrid combination F A / F C with F B / F C ; Planting hybrid F A / F C with F B / F C , and with F A / F C with F B / F C cross again to obtain the first generation of recrossing, with F （A / C / / B / C） express; plant F （A / C / / B / C）， and harvest F 2 seed;

[0032] 2) Plant F 2 Seeds, plant 2,500 plants, and select long-grained excellent single plants with short grow...

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PUM

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Abstract

The invention relates to a breeding method for an aromatic conventional rice variety with high head rice rate and excellently-slender rice grains and belongs to the technical field of genetic breeding of crops. By using the method, the aromatic long-grain rice variety which is moderate in growth period, shortened in plant, good in rice quality and excellently-slender in rice grains is created on the premise of breeding a variety keeping the high head rice rate and rice cooking characteristic of the original variety by genetic improvement according to excellent characteristics that a Burma specific variety is good in resistance, short and round in rice grains and high in head rice rate, and the rice grains are good in longitudinal ductility, high in length-to-width ratio, slender in shape and good in taste and mouthfeel after being cooked.

Description

technical field [0001] The invention specifically relates to a method for breeding a fragrant conventional rice variety with a high rice rate and extra slender rice grains, and belongs to the technical field of crop genetics and breeding. Background technique [0002] Rice is the main food crop in my country. my country is a major rice producing country. With the improvement of people's living standards, the structure of healthy diet and high-nutrition food has also changed. The quality of rice in my country is increasingly unsuitable for the needs of modern urban populations. How to improve the quality of rice is the focus of current rice genetics and breeding. The Myanmar "Boshan" variety has been cultivated in Myanmar for more than 130 years. It has been cultivated from southern to northern Myanmar. It has a wide distribution range, good adaptability, good resistance, and a large planting area. "Boshan" rice grains are short and round (the length of the rice grain is 6....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04
Inventor 练格林林荔辉李忠金程祖锌黄昕颖蔡华镇蒋云林康水英施涛
Owner 福建邦粮农业科技有限公司
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