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Darrow等人是第一批研究草莓对光照反应的科学家。他们按草莓开花对光照反应的差异,分别将六月结果(June bearers)和四季结果(everbe-aring)品种分成短日照和长日照两种植物。Vince等在进行草莓遮先试验后指出,长日照植株刺激开花,而短日照植株抑制开花。这表明夜长是抑制草菊花芽萌发的一个因素。光照影响供试的短日照植物是单季的六月结果温带型八倍体草莓品种,这些品种只有在夜长持续14小时以上才萌芽开花,能在秋季(9～10月份)萌芽,在夏
Darrow et al. Were among the first scientists to study strawberry response to light. They divided the differences in response to photoperiod on flowering strawberry and divided the June bearers and the everbeing arborescens into short and long-day plants, respectively. Vince et al., After conducting strawberry cover experiments, pointed out that long-day plants stimulate flowering while short-day plants inhibit flowering. This shows that the night is a factor inhibiting the germination of grass flower buds. The short-day plants affected by light were the single-temperate June results of temperate octuploid strawberry varieties which germinated only in the late spring (September-October) and grew in summer