不同补光时长对日光温室番茄生长、产量及品质的影响

Effects of Different Light Supplement Duration on Growth,Yield and Quality of Tomato Cultivated in Solar-greenhouse

在日光温室条件下,以LED植物生长灯(红蓝光比例7∶2)为补光光源,以不补光为对照,研究不同补光时长(1、2、3 h)对番茄生长、产量及品质的影响。结果表明:与对照相比,补光2 h和3 h均能明显提高番茄的株高、茎粗和叶面积;补光3 h能够显著提高番茄的单果质量、单株结果数、产量,以及果实VC、可溶性糖含量及糖酸比,产量增加7.0%,每667 m^2利润增加528.9元。综上所述,补光3 h对促进番茄生长、提高产量及改善果实品质的效果最好。

Under solar greenhouse condition,taking LED plant growth lamp(red and blue 7∶2)as complementary light source,this paper studied the effects of different filling hours(1,2,3 hours)on tomato growth,yield and quality.The results showed that compared with the control(without light supplementation),both 2 and 3 hours could significantly increase the plant height,stem diameter and leaf areas of tomato.Filling 3 hours could significantly improve the single fruit weight,fruit number and yield,contents of fruit VC,soluble sugar,and sugar-acid ratio.The yield was increased by 7.0%,and profit increased by 7 933.5 yuan·hm-2.In summary,supplemental light for 3 hours has the best effects on promoting tomato growth,increasing yield and improving fruit quality.