Studies on Physiological Indicators of Low -temperature Stress in Tomato Seedlings

doi:10.7668/hbnxb.2009.S1.033

Abstract

Abstract: The physiological character influences of low temperature treatment on 8 tomato varieties during seedingstage were studied and identified.The results showed that tomato varieties 1056 and Zhongza 105 had higher cold toleranceunder day 14 ℃/night 8 ℃ treatment according to the growth change comparing with day 28 ℃/night 18 ℃.Thechange of chlorophyll content,soluble sugar content and root activity rightly reflected the low -temperature -resistant oftomato varieties.So we can choose such physiological changes as the tolerance indicators of low -temperature in tomato.

Key words: Tomatovarieties, Lowtemperaturetolerance, Physiologicalindicator, Screening

CLC Number:

S641.01

WANGLin-chuang, HEChao-xing, ZHANGZhi-bin, WANGHuai-song. Studies on Physiological Indicators of Low -temperature Stress in Tomato Seedlings[J]. ACTA AGRICULTURAE BOREALI-SINICA, doi: 10.7668/hbnxb.2009.S1.033.

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http://www.hbnxb.net/EN/Y2009/V24/IS1/137

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