PMID: 19943452Dec 1, 2009Paper

Induction of phenolic compounds and pathogenesis-related proteins by mycorrhizal fungal inoculations against Phytophthora capsici Leonian in pepper

Pakistan Journal of Biological Sciences : PJBS
H OzgonenH Culal Kilic

Abstract

In this study, the effects ofmycorrhizal fungal inoculations of Glomus mosseae, G. etunicatum, G. fasciculatus and Gigaspora margarita species on phenolic compounds and pathogenesis related proteins were investigated in pepper - Phytophthora capsici plant pathosystem. Root colonization by mycorrhizal fungi increased after 15, 25 and 45 days after inoculation depending on the root developmental stage. G. mossea and G. fasciculatus reached the highest root colonization level. In addition, arbuscule formation, spores inside or outside the root cells were observed after 25 and 45 days, respectively. The disease development of pepper plants was decreased depending on the mycorrhizal fungi colonization compared to the pathogen inoculated plants. Total phenolic compounds increased in all treatments as compared to non mycorrized non pathogen treated control, but was highest when plants were inoculated with both, the mycorrhizal fungi and the pathogen. Overall, 12 different phenolic compounds were identified using thin layer chromatography according to Rf. In general, there was an increased in the activity of beta-1.3-glucanases and chitinases after 3, 6 and 9 days as compared to control in stem extracts ofmycorrhizal fungi and or P. ca...Continue Reading

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Citations

Jan 17, 2013·Journal of Basic Microbiology·Samina Mehnaz
Nov 30, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Fu-Jia ChenEn-Zhong Li

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