Study on the Heat Resistant Character and Machanism of Different Varieties

doi:10.7668/hbnxb.2009.S2.028

Abstract

Abstract: Three varieties heat resistant character and maehanism were studied, The result showed:under high temperature, the hard-pulp tomato cultivar(Mantian2180) had the strong growing power, the higher frution rate, the better good character and the hihger yield, so it was suitable cultured in summer. Its thermo-resistant mechanism showed that chorophy content were higher in hard-pulp tomato euhivar after heat stress. The membrane structure damage was lighted by increasing its activities of SOD and POD. The resistance of plant was enhanced by increasing its proline cotent. All of these changes can relieve damages caused by high temperature.

Key words: Tomato, Thermo-resistanct, Thermo-resistanct mechanism

CLC Number:

S641.2

DONG Ling-di, SHI Lin-qi, JIAO Yong-gang, GUO Jing-hua, SHEN Shu-xing. Study on the Heat Resistant Character and Machanism of Different Varieties[J]. ACTA AGRICULTURAE BOREALI-SINICA, doi: 10.7668/hbnxb.2009.S2.028.

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http://www.hbnxb.net/EN/Y2009/V24/IS2/126

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