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引言对春化和光周期的要求是小麦品种发育快慢的两个决定性的习性。一个好的品种引到一个地区后,可以因为春化要求没有满足或日长太短,使其发育延迟而产量降低。另一方面,也可以因为新地区的自然日长太长而产量不好;假如品种对长日
Introduction The requirements for vernalization and photoperiod are two decisive habits for the development of wheat varieties. When a good variety is introduced to a region, it can be delayed in development due to unsatisfactory vernalization requirements or too long and short of production. On the other hand, it is also not good because the natural area in the new area is too long.