In order to reduce the apple trees canker effectively,the research compared the activity of pectolases of pathogens under different concentration penicillin which cultivated between sicken trees and PA. Result showed that the activity of pectolases of pathogens in sicken trees was restrained significantly,whereas the activity of pectolases of pathogens in PA was not effected. The best concentration of penicillin was 1. 2 × 10U/L,and the pectolases of pathogens in sicken trees reduced 82 % under this concentration.
MA Qiang
,
QIAo Guo biao
,
ZHUANG Xia
,
ZHANG Xiao wei
. Study on Penicillin Affect Activeness on Pectolases of Pathogens of Apple Tree Canker[J]. Acta Agriculturae Boreali-Sinica, 2009
, 24(3)
: 96
-98
.
DOI: 10.7668/hbnxb.2009.03.021
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