论文部分内容阅读
长日照作物 是指在较长日照条件下能加速发育、促进开花,而且当日照时间短于一定程度以下便延长发育、推迟开花或不能开花的作物。这类作物在一天24小时中需要14小时以上连续照明的条件才能形成花芽;当延长日照时数、缩短黑暗时数能加速发育、促进开花。
Long-day crops are defined as long-day conditions can accelerate the development and promote flowering, and when the sunshine time is shorter than a certain extent below the extension of development, postponed flowering or can not flowering crops. Such crops in 24 hours a day need more than 14 hours of continuous lighting conditions to form flower buds; when the sunshine hours, shortening the dark hours can accelerate the development and promote flowering.