禾谷类作物潜在产量选择的新方法Ｈ．Ｂ．Ｔｙ为了客观评价预先繁殖材料后代群体中所选择的潜在产量，必须进行小区试验，为此基本上要耗费约１０年的时间。结果是多数选择不令人满意。为了提高选择效果，应按产量构成因素、收获指数、在秋播作物春季营养生长的最初２周内... A New Method to Choose Potential Yield of Cereal Crops. B. Ty In order to objectively evaluate the potential yield selected for the progeny population of pro-propagation material, a community trial must be conducted, which basically takes about 10 years. The result is that most choices are not satisfactory. In order to improve the selection effect, the factors of yield and harvest index should be obtained. In the first 2 weeks of autumn vegetative growth in spring ...