后屋面入射光对单屋面温室光温性能和蔬菜生长的影响——Ⅱ.散射光对单屋面温室黄瓜生长的影响

Influence of Scattered Light from the Back-roof of the Lean-to House on the States of Light and Temperature as well as the Growth of Vegetable Ⅱ .Influence of Scattered Light on Growth and Development of Cucumber Growing in the Lean-to House

后屋面散射光(包括一部分直射光)对黄瓜生长有很大的影响.与对照相比,处理平均单株叶面积增加8.07%,叶面积系数增加7.81%,叶绿素a+b增加15.54%;定植后70天株高、茎粗和展开叶片数与对照差异极显著;定植后两个月的根、茎、叶干重分别增加36.89%、46.37%和50.00%,产量提高21.16%.

Scattered light from the back-roof of lean-to house (containing a part of battle-sight light) was of great influence to growth and development of cucumber growing in lean-to house. As compared with contrast, the average leaf area of single plant was increased by 8.07%, the indix of leaf aera was increased by 7.81%. Chi. a + b was increased by 15.52%. The differences of seedling height, stem thickness and numbers of spreading leaves of cucumber were prominent or extremely prominent 70 days after transplant. Dry-matter of root, stem and leaf were increased by 36.89%, 46.37%, and 50.00%, respectively. Fruit yield of cucumber was 21.16% higher than that of contrast.