Jinyou 2248 (Rice)
(1)Jinyou 2248 is a medium indica hybrid rice combination developed by crossing Jin 23A2248 with Chengdu Institute of Biology, Chinese Academy of Sciences.
(2)Characteristics: The growth period of this combination is 147 days, the plant height is 110 cm, the grain per panicle is 130, the seed setting rate is more than 80%, and the 1000-grain weight is 27-28 g. Plant leaf type is good, tillering is strong, leaf is erect, leaf color is darker. Most of the rice quality reached the first or second grade high quality rice standard issued by the Ministry. The disease resistance was identified as 4-5 grade of leaf blight, 2-5 grade of neck temperature, and light susceptible to sheath blight in field.
(3)Yield performance: In 1995-1996, the average yield per mu was 500.35 kg, which was 1.45% higher than that of control Shanyou 195. In 1997, the average yield per mu was 526 kg, which was equivalent to Shanyou.
(4)Cultivation points: timely sowing, cultivation of multi-tiller strong seedlings, planting 100 - 200,000 basic seedlings per mu; fertilizer pipe buried should be applied with sufficient fertilizer base, increased phosphorus and potassium fertilizer, timely light application of ear fertilizer, late water cut time appropriately postponed.
(5)Adapt to planting areas: adapt to flat dam, hilly areas and similar areas outside the province planting.
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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. Effective panicle per mu 247000, total grains per panicle 103grains, 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 3.28g, transparency 3.
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Jinyou 207 rice
The breeding unit Hunan Hybrid Rice Research Center used Jin 23A and Xianhui 207, which was bred in 1995 and developed by Longping seed Industry. It has been examined and approved by Hunan, Guizhou, Guangxi and Hubei provinces. The variety belongs to mid-mature indica late rice. The plant type is moderate, the plant height is about 100 cm, the growth potential is general, the tillering ability is weak, the whole growth period is about 115 days, the total grain number per panicle is 120, the seed setting rate is 80%, 1000-grain weight is 26 grams, medium photosensitivity and temperature, short-day high temperature growth length, cold tolerance in the later stage, good color.
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