Study on Inoculation Methods and Condition of Clubroot in Qingmaye Chinese Cabbage

doi:10.7668/hbnxb.2016.01.029

Abstract

Abstract: For the disease-resistant breeding of Qingmaye Chinese cabbage,five kinds of inoculation methods(Indigenous bacteria,Seal of indigenous bacteria,Dip method,Injection method,Seed soaking method),different soil pH,different inoculation concentration,illumination and root secretion were compared by use Qiulü 60 as material in this article.The results showed that the effect of soil inoculation was more excellent and stable.In contrast,seed-immersion method was the poorest.The acid soil pH was fit to clubroot break out and the disease index reached the maximum when pH value was 6.5.1 g soil inoculated 0.050 g root was the most suitable inoculation concentration.After light treatment,the disease index was increased,it showed that light had a promoting effect on diseases.Root secretion of tomato,resistant and susceptible hosts could promote the happening of disease.Therefore,in the artificial inoculation test of Qingmaye Chinese cabbage can be the above optimum inoculation method and conditions so as to improve the effect of inoculation.

Key words: Clubroot, Qingmaye Chinese cabbage, Inoculation method, Inoculation condition

CLC Number:

S634.01

ZHANG Hong, ZHANG Bin, WANG Chaonan, LI Mei, HUANG Zhiyin, LIU Junfeng. Study on Inoculation Methods and Condition of Clubroot in Qingmaye Chinese Cabbage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2016, 31(1): 182-185. doi: 10.7668/hbnxb.2016.01.029.

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