The Effect of Cercospora zeae-maydis Toxins on Membrance Permeability of Maize Radicle in Vivo

doi:10.7668/hbnxb.2010.03.049

Abstract

Abstract: The effects of Cercospora zeae-maydis toxins on cell membrance permeability of maize radicle in vivo have been studied.The mensuration of conductivity and colorimetry were used to examine the membrance permeability.The results showed that the relative conductivity and malondialdehyde content of maize radicle after treatment with C.zeae-maydis toxins were higher than control group under the same concentration of toxins and no more than 3 days, or different concentration of toxins and same treatment time.This indicated that the effect of C.zeae-maydis toxins on membrance permeability of maize radicle was significant which can hurt and disorder function of cell membranes.The results of this study will provided a sound basis for action of C.zeae-maydis toxins on pathogenic processes and pathogenic mechanism of C.zeae-maydis．

Key words: Cercospora zeae-maydis, Toxins, Conductivity, Malondialdehyde

CLC Number:

S435.131.49

WANG Gui-qing,, ZHANG Tao, XU Xiu-de. The Effect of Cercospora zeae-maydis Toxins on Membrance Permeability of Maize Radicle in Vivo[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(3): 231-234. doi: 10.7668/hbnxb.2010.03.049.

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