Heat Tolerance Identification of Six Tomato Varieties(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: SONG Min-li¹; 2; WEN Xiang-zhen¹; LI Ya-ling¹; ZHANG Liu-ying¹; HAN Ya-ping¹; WANG Guang¹; 1.College of Horticulture，Shanxi Agricultural University，Taigu，Shanxi 030801;
2.Department of Biology，Taiyuan Teachers College，Taiyuan，Shanxi 030031

Keywords:: tomato; heat-tolerance; germination stage; seedling stage; identification

Abstract:: Taking six tomato varieties ‘Counter’,‘Jin tomato No.4’,‘Tomato 109’,‘Xx₁₀₁’,‘Yifeng’,‘Yifeng No.3’ as materials,the effect of different temperature treatments on the heat tolerance at the stage of seedling germination were compared with different light treatment at 28℃ at the seedling stage,in order to screen heat tolerant tomato varieties.The results showed that the germination rate and force of ‘Tomato 109’ and ‘Xx₁₀₁’ at 34℃,tomato seedling hot injury degree and index,the MDA content and relative electrical conductivity at heat stress were the highest,‘Counter’ took second place,and the difference between them was extremely significant.

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Last Update: 2014-09-01