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《Northern Horticulture》 2016-01
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Selection of Weak Light Tolerance Indicators on Different Genotype Tomatoes Seedlings

ZHENG Qian;MAO Xiujie;YE Jingxue;College of Horticulture Science and Technology,Hebei Normal University of Science and Technology;College of Horticulture Science,Jilin Agricultural University;  
Taking weak light tolerance tomato QX and‘Xiaofen',normal light tomato 16 Land lnf as materials,the effect of weak light on tomato seedlings in greenhouse was studied by covering double sun-shade net,and the weak light tolerance indexes of tomato seedlings were selected.The results showed that tomato growth was restrained in weak light,strong seedling index of tomato in weak light was higher than in normal light,and the weak light tolerance of tomato was significantly higher than normal weak light tomato.The tomato of chlorophyll a/b and net photosynthetic rate declined,the weak light tolerance of tomato significantly less than normal weak light tomato.The strong seedling index,the relative chlorophyll a/b and net photosynthetic rate could be applied as identifying indexes of weak light tolerance in seedling stage.
【Fund】: 吉林省科技发展计划资助项目(20140204053NY)
【CateGory Index】: S641.2
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