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辐优63系湖南省怀化地区农科所用该所选育的辐南A与明恢63配组而成。1990年参加我区5个点的区试,折合单产769公斤。比对照汕优63增产10%,居8个参试组合之首。1991年继续试验,平均单产740公斤,比对照汕优63增产6%,仍居首位。施甸县城关镇大麦场农户赵正北种0.85亩,实收干谷62 5
Radix 63 Department of Huaihua, Hunan Province, the Department of Agriculture selected by the Department of the radiation of the South A and Ming Hui 63 formed. In 1990 to participate in our district 5 points district test, equivalent to yield 769 kilograms. Than the control Shanyou 63 yield 10%, ranking first in the eight test portfolio. Continue to test in 1991, with an average yield of 740 kg, an increase of 6% over the control Shanyou 63, still ranks first. Shidian County town of Barley farms Zhaozhengbei 0.85 acres, the harvest of 62 5 dry valley