University of Arkansas, Fayetteville, Arkansas 72701.
Plant Physiol. 1969 Jul;44(7):1027-30. doi: 10.1104/pp.44.7.1027.
Brief, low energy (approximately 400 Kerg cm(-2)) red light interruption of the early dark-growth period of Zea mays L. cv F-M Cross induced inhibition of first internode elongation which was maximal whenever light interruption occurred from 2.5 to 4 days of seedling age. Two-thirds of the maximal inhibition occurred in the tissues constituting the region 0 to 2 mm below the coleoptilar node at time of light treatment. The coleoptile tip showed the greatest sensitivity for red light reception in the internode response. Far-red light exposures following red light treatments reversed the red light effect. However, far-red light alone inhibited first internode elongation as effectively as red light of similar dosage.
简要、低能量（约 400 Kerg cm(-2)）的红光中断玉米幼苗早期暗期生长会抑制第一节间伸长，在幼苗龄 2.5 至 4 天时的红光中断时间达到最大。最大抑制作用的三分之二发生在红光处理时位于胚芽鞘节下方 0 至 2 毫米的组织中。在节间反应中，胚芽鞘尖端对红光的接收最为敏感。红光处理后进行远红光照射可逆转红光的作用。然而，远红光单独照射与相似剂量的红光一样有效地抑制第一节间伸长。
