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采用新型半导体光源精确调制光质(红光、黄光、绿光、红蓝组合光和蓝光),对大棚内的黄瓜‘中农21’和‘中农27’,辣椒‘巨无霸5号’和‘镇研六号’,番茄‘荷兰红粉’和‘以色列虹丰’进行定时补光。研究结果表明,不同光质补光对3种蔬菜共6个品种幼苗生长影响显著且存在差异。总体认为,补充红光和红蓝光使幼苗茎粗、鲜样质量和干样质量以及壮苗指数均显著高于对照(无补光处理),黄瓜‘中农21’、番茄和辣椒的可溶性糖含量也显著提高。在蓝光处理下,辣椒‘巨无霸5号’壮苗指数和干样质量均达到最大且显著高于对照。红光或黄光显著提高黄瓜、番茄‘以色列虹丰’的叶绿素和类胡萝卜素含量。
The new semi-conductor light source was used to precisely modulate the light quality (red, yellow, green, red and blue combined light and blue light), and the cucumber ’Zhongnong 21’ and ’Zhongnong 27’ ’Zhen Yan 6’, tomato ’Netherlands Pink’ and ’Israel Rainbow Hong’ make regular fill light. The results showed that the effects of different light supplements on the growth of seedlings of 6 varieties of 3 kinds of vegetables were significant and different. Overall, supplementation of red and blue light make the seedling stem diameter, fresh and dry sample quality and strong seedling index were significantly higher than the control (no light treatment), cucumber ’middle peasants 21’, soluble sugar content of tomatoes and peppers also Significantly increased. Under the blue light treatment, the seedling index and dry weight of pepper ’Big Mac 5’ reached the maximum and were significantly higher than that of the control. Red or yellow light significantly increased the chlorophyll and carotenoid content of cucumber and tomato ’Hong Rainbow’.