Kayou 6206 (Rice)
The main results are as follows: (1) Variety source: it is a new medium indica early maturing combination formed by the male sterile line Catan A (Catan A / Tanyin early Indica / 12971-66) and the restorer line 6206 (IR56X smooth-shelled rice) used by Mianyang Institute of Agricultural Sciences.
(2) characteristics: 153days of total growth, 3-4 days longer than Shanzheng 8, moderate plant type, strong tillering ability, tidy ear layer, hard stem and lodging resistance, good color conversion, plant height 94 cm, effective panicle 186000 ears per mu, panicle grain setting rate 85%, 1000-grain weight 30.6 g, brown rice rate 82.3%, milled rice rate 68.5%, head rice rate 51.5%, rice quality, taste better than the control. Both leaf blast and neck blast were grade 5, and the resistance to rice blast was stronger than that of the control. .
(3) yield performance: the average yield per mu in the two-year regional test was 440-480 kg, which was more than 10% higher than that of the control, 10-15% higher than that of the control, and 200-250 kg per mu in seed production.
(4) suitable planting area: suitable for planting in the basin mound and basin edge of our province at high altitude.
- Prev
Giant embryo rice: giant embryo rice has entered the stage of rice breeding methods, and hypotension rice is expected to be put on the market.
Atherosclerotic red rice and giant embryo rice with the function of lowering blood pressure have entered the stage of laboratory breeding and are expected to be on the public table in the near future. This is the news obtained by the reporter from the opening ceremony of a series of service activities of "2007 Shanghai Science and Technology to the Countryside" yesterday. It is reported that "high-protein rice breeding" undertaken by the Plant Molecular Genetics Laboratory of National normal University has been listed as a key project of the Municipal Science and Technology Commission. According to the person in charge of the project, Professor Li Jianyue of National normal University, the cultivation of high-protein rice is of great significance in many aspects.
- Next
Breeding of disease-resistant fragrant and soft rice variety Jiuqixiang 1
The main results are as follows: 1. The selection of parents selected the international famous rice variety Basmati, the Youxiang soft strain mutated by solar radiation and Xiangshimiao No. 2 as the male parent. Qingzhen 8, which has high yield, high resistance and wide adaptability, is used as the female parent. 2. after the progeny selected a single plant in the late production in 1991, various types of single spikes with medium dwarf and plant grain shape similar to those of fragrant silk seedlings were selected from the materials separated from F2 and F3 generations, and then multiple generations were selected and propagated and compared with single plant lines.
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