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一、汕优2号 汕优2号是由“珍汕97不育系”与国际稻24恢复系配制成的杂交组合,属中熟中籼类型。大面积多年多点种植,一般亩产800—1,000斤,高产可达1,300斤以上。1983年随县作中稻栽培近20万亩,平均亩产超千斤;浠水县作晚稻栽培11.12万亩,占杂交晚稻面积的74.2％,平均亩产867斤。这是我省当前杂交水稻当家组合。 株高90—110厘米,株形紧凑。茎秆粗壮,生长整齐。叶直立、深绿色,叶鞘基部多
I. Shanyou 2 Shanyou 2 is a hybrid combination of “Zhenshan 97 CMS” and “International Rice 24 Restorer Line”, which belongs to middle-maturing medium-indica type. Large area for many years planting, the general mu produce 800-1,000 pounds, high yield up to 1,300 pounds and above. In 1983 with the county for nearly 200000 acres of medium-sized rice cultivation, the average per-kilogram output; Xishui County for late rice cultivation of 11.12 hectares, accounting for 74.2% of hybrid late rice area, the average yield of 867 pounds. This is the current combination of hybrid rice in our province headed. Plant height of 90-110 cm, plant compact. Stalks sturdy, growing neatly. Leaves erect, dark green, leaf sheath base and more