Jinyou 402 (Rice)
Variety source: it is a new early hybrid rice combination with Jin 23A selected by Hunan Changde Agricultural Science Institute as the female parent and R402 selected by Hunan Anjiang Agricultural School as the male parent.
Characteristics: the whole growth period is 115 days, and the plant height is 88.0 cm. The leaf shape of the plant is good, and the color is good in the later stage. 247000 per mu of effective panicle, 103grains per panicle, seed setting rate 77.6%, 1000-grain weight 25.3g, brown rice rate 79.6%, milled rice rate 65.7%, rice grain length 6.98mm, length-width ratio 3.28, transparency grade 3, chalky rice rate 52%, chalkiness 16.1%, alkali elimination value 4.8%, amylose content 23.6%, strong resistance.
Yield performance: the average field yield per mu is 450-500 kg.
The main points of cultivation techniques are as follows: sowing in the middle and last ten days of March, seeding amount in seedling field 15-20 kg, field seed consumption 1.5-2.0 kg. Reasonable close planting, scientific fertilization and water management, pay attention to the prevention and control of diseases and insect pests.
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Jinyou 448 (rice)
Characteristics: This variety belongs to Indica three-line hybrid rice. The average growth period of double cropping late rice planted in the middle and lower reaches of Yangtze River is 111.9 days, which is 1.8 days earlier than that of control Shanyou 64. Plant height 88.4 cm, plant type moderate, plant shorter, straight sword leaves, panicle grain weight coordination, easier to drop seeds, later easier to lodge. The effective panicle number per mu is 204,000, panicle length is 23.2 cm, total grains per panicle are 110.4, seed setting rate is 83.4%, 1000-grain weight is 28 g. Resistance: rice blast 7, bacterial blight 7
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Jinyou 2248 (Rice)
The main results are as follows: (1) Variety source: Jinyou 2248 is a medium indica medium maturing hybrid rice combination made by Jin 23A2248 from Chengdu Institute of Biology, Chinese Academy of Sciences. (2) characteristics: the growth period of the combination is 147 days, the plant height is 110 cm, the average grain per panicle is 130, the seed setting rate is more than 80%, and the 1000-grain weight is 27-28 g. The plant has good leaf shape, strong tillering ability, erect leaf and dark leaf color. Most of the rice quality reaches the first-or second-grade high-quality rice standards issued by the Ministry. Disease resistance identification of leaf blast grade 4-5, neck temperature grade 2-5, light sensation pattern in the field.
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