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献改63是由江西省萍乡地区农科所用献党不育系与明灰63杂交育成的中籼新组合。1986年本市引进少量种植,1987年试种2.7亩,亩产实收728.7公斤。1988年多点示范面积为343.68亩,平均亩产721公斤,同时涌现出亩产800公斤以上的高产田,据品比试验,比当地当家组合汕优63增产17.6%。据省、市、兄第县市参观评比,一致认为该组合不但具有干化2号壮秆大穗
Xianxian 63 is a new medium-indica new combination of indica CMS lines and Minghui 63 hybrids from Pingxiang, Jiangxi Province. In 1986, a small amount of planting was introduced in this Municipality, and 2.7 mu was planted in 1987, yielding 728.7 kilograms of mu per mu. In 1988, the demonstration area was more than 343.68 mu, with an average yield of 721 kg. At the same time, a high-yield field with a yield of more than 800 kg per mu was produced. According to the test, the output of the unit increased by 17.6% compared with that of the local Shanyou 63. According to provincial, municipal and brotherhood counties visited the appraisal, agreed that the combination not only has dry No. 2 stalks big spike