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Xie Huaan. Shanyou 63', The Variety With the Largest Cultivated Area in China Ⅱ.The Main Agronomic and Biological Traits[J]. Fujian Journal of Agricultural Sciences, 1997, 12(1): 1-6.
Citation:
Xie Huaan. Shanyou 63", The Variety With the Largest Cultivated Area in China Ⅱ.The Main Agronomic and Biological Traits[J]. Fujian Journal of Agricultural Sciences, 1997, 12(1): 1-6.
Xie Huaan. Shanyou 63', The Variety With the Largest Cultivated Area in China Ⅱ.The Main Agronomic and Biological Traits[J]. Fujian Journal of Agricultural Sciences, 1997, 12(1): 1-6.
Citation:
Xie Huaan. Shanyou 63", The Variety With the Largest Cultivated Area in China Ⅱ.The Main Agronomic and Biological Traits[J]. Fujian Journal of Agricultural Sciences, 1997, 12(1): 1-6.
The cultivated area of "Shanyou 63" has ben kept the first in china since 1986.the average cultivated area one year is 4.67 million hm2, about 22% of the area Of indica zone in China and Particularly, 27.1% in 1990.It is almost cultivated all over the indica cultivated zone 17°36’N to 37°49’N and from 100°36’E to 121°38’E to 121 °56’E.It has been cultivated 52.67 million hm2 and increased by about 58.5 billion kg grain from the year 1986 to 1995.According to the national rational yield trial,it increased 1.1 t grain per hm2 comparing with CK.General grain yield was 8.25t to gi Per hm2 and the highest was 13.9t per hm2.It has good ratoon ability and the highest grain yield of ratoon rice reached 8.77t per hm2.This paper introduces the main agronomic and biological traits of "Shanyou 63".The yield traits ie.panicles /hm2, grains per ear, and grain weight are all higher and well coordinated.The light compensation point is lower, and the light saturation point, utilization efficiency of light energy and N and K in the soil are higher than CK.It is tolerant to saline-alkali soil, to high temperature at florescence, and resistant to blast.It has good eating and cooking quility and ratoon ability.The ratoon rice yield reaches 8.23t per hm2.