目前生产上大量应用的杂交组合均具有明显的热带(低纬度)海洋性气候生态遗传特性,因此有必要对杂交水稻在不同生态环境中的适应能力进行探讨。作者曾研究了杂交水稻生育中后期的有关弱光效应,但对苗期的优势潜力在弱光逆境下能否得到充分发挥的问题亦须进行探讨。为此进行了试 At present, a large number of hybrid combinations used in production all have significant climatic and ecological genetic characteristics of tropical (low latitude) marine climate. Therefore, it is necessary to study the adaptability of hybrid rice in different ecological environments. The author has studied the low light effect in the middle and late growth stage of hybrid rice, but the issue of whether the dominant potential of seedling stage can be fully utilized in low light stress situation should also be explored. For this test