Screening Chilling-Resisted VAMFs and Their Effect on Resistance of Eggplant to Chilling

Abstract

Abstract: To screen chilling-resisted VAMFs, six VA moycorrhizal fungi(VAMF) strains were selected from 302 spores among 37 soil samples got from crop roots in different regions, and named G.sp1, G.sp2, G.sp3, G.sp4, G.sp5, G.sp6. All of them show chilling resistance and higher infect rates. Among them, G.sp2 show much higher chilling resistance than the others. Inoculated with sx VAMF strains, HEIXING long eggplant was treated by low temperature of 8℃.Then, electrolytic leakage, content of molondialdehyde(MDA),activity of superoxide dismutase (SOD), catalase(CAT), peroxidase(POD) and content of soluble sugar of eggplant were measured. The result showed that all six strains can protect cell membrane structure ,improve physiology metabolism and promote chilling resistance of HEIXING long eggplant. Six eggplant cultivars were inoculated with G.sp2 and the infect rates ,chilling index(CI), electrolytic leakage, content of molondialdehyde(MDA), activity of superoxide dismutase (SOD) were measured. The results showed that G.sp2 can efficiently infect all six cultivars and remarkably promote their chilling resistance. So, G.sp2 is strong chilling resistance strain.

CLC Number:

S154.3

Bai Suhua, Dong Chaohua, Liuxin. Screening Chilling-Resisted VAMFs and Their Effect on Resistance of Eggplant to Chilling[J]. Chinese Agricultural Science Bulletin, 2006, 22(10): 272-272.

References

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