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所谓逆境,是指对植物生存与生长不利的各种环境因素的总称。我国是一个自然灾害比较频繁的国家,研究作物逆境生育无疑是一个具有巨大社会效益的问题。近年来,随着育种家大批优良品种的推出,良种在抗逆境方面所显示出的成绩无疑是可喜的。如可以通过选用不同生育期的品种调整生长季节,躲开某一季节对植物不利的影响;选育出抗病品
The so-called adversity refers to a variety of environmental factors that adversely affect the survival and growth of plants. China is a country where natural disasters are frequent. Studying crop adversity is undoubtedly a problem that has great social benefits. In recent years, with the introduction of a large number of excellent varieties of breeders, the performance of improved seeds in the area of stress resistance is undoubtedly encouraging. For example, the growth season may be adjusted by selecting varieties of different growth stages to avoid adverse effects on the plants in a certain season; breeding the disease-resistant products