成株期弱光对不同品种黄瓜生长发育的影响

Effect of Low Light on the Growth and Development of Different Cucumber Varieties During Fruit-setting Stage

以6个设施黄瓜主栽品种为试材,通过遮光处理,对植物的营养生长和生殖生长进行了研究。结果表明:津优30号产量最高,植株根冠比值和C/N比值较高,植株生长健壮;津优2号和津绿3号产量略低于津优30号,根冠比值和C/N比值适中;绿宁3号产量居中,根冠比值和C/N比值较低,营养生长旺盛;北极星和寒月产量最低,根冠比值适中,但C/N比值较低,植株以营养生长为主。综合比较得出:津优30号耐弱光性最好,津优2号和津绿3号耐弱光性较好,绿宁3号耐弱光性居中,寒月和北极星耐弱光性最差。

The six cucumber varieties in protected cultivation were used as the tested material,the nutrition and reproductive growth of plant were studied by shading treatment.The results showed that： The yield of ＇Jinyou30＇ was the highest,The root/shoot and C/N ratio were higher,plants growed strongly;the yield of ＇Jinyou2＇ and ＇Jinlv3＇ was slightly lower than ＇Jinyou30＇,the root/shoot and C/N ratio were modest;the yield of ＇lvning3＇ was in the middle,the root/shoot and C/N ratio were lower,the nutrition growth of plant was vigorously;the yield of ＇Beijixing＇and ＇Hanyue＇ were the lowest,root/shoot ratio moderate,but C/N ratio lower,plants mainly was in nutrition growth.Comprehensive comparison drawn：The tolerance ability to low light of was the best,＇Jinyou2＇ and ＇Jinlv3＇ better,＇Lvning3＇ was in the middle,and ＇Hanyue＇ and ＇beijixing＇ were worst.