Identification on the Drought Resistance of Tomato by Water Deficit

doi:10.7668/hbnxb.2011.02.042

Abstract

Abstract: To screen the dry resistant species with high quality,the 10 species of tomato were treated with the water deficit on the 20th d after the 1 st cluster,and dry resistance ability was determined by using the average of subordinate function value.The results showed that net photosynthesis rate.root dry weight and total dry weight were de· creased,while soluble sugar contents and sugar/acid radio were increased by the treatment with water deficit.In the meanwhile,the average of subordinate function value Was different among the 10 species of tomato.According to the average of subordinate function value,the 8th was the hi}gh dry resistant specie,and the 5th and 7th were the dry resistant species.

Key words: Tomato, Water deficit, Subordinate function, Drought resistance coefficient

CLC Number:

S62.2

WANG Li-juan, MA Gang, ZHANG Lan-cui. Identification on the Drought Resistance of Tomato by Water Deficit[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(2): 203-206. doi: 10.7668/hbnxb.2011.02.042.

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