Shanyou 64 (Rice)

Breeding units: agricultural Bureau of Wuyi County, Zhejiang Province, Hangzhou seed Company, Zhejiang Province.

Approval: approved by Zhejiang crop Variety approval Committee in 1986 and Hunan crop Variety approval Committee in 1990, it was approved by the National crop Variety approval Committee in 1991.

Variety registration number: GS01015-l990.

Variety source: Zhenshan 97AX for of.

Characteristics: medium indica early maturing hybrid rice. The plant height is 83-85 cm, the stem is slender, the plant type is moderately loose and tight, the ear length is 21.5 cm, the total grains per ear is 90-110, the seed setting rate is 75%-85%, the 1000-grain weight is 26-27 grams, and the number of leaves of the main stem is 13-14. The growth period is 111Mel 115 days, which is earlier than Shanyou 6 by IO-12 days. It was more resistant to rice blast and bacterial blight and was slightly susceptible to sheath blight, and it was easy to lodge with excessive nitrogen application in the later stage. The average yield per mu is 400 Mu 450 kg.

Main points of cultivation: the sowing date is 10 seconds later than Shanyou 6, the sowing rate is cut by 50 kg per mu, the seedling age of one stage is 30 days, and two stages are used to raise seedlings. The seedlings fall into the field of 80,000 to 100000 mu, and the effective ear is more than 240000. Pay attention to the control of Sclerotinia sclerotiorum and bacterial blight.

Suitable scope: planting in Zhejiang, Hunan, Jiangxi, Hubei and other provinces.