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KMID : 0379119890170040184
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Korean Journal of Mycology
1989 Volume.17 No. 4 p.184 ~ p.188
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Effect of New Systemic Fungicides Metalaxyl - Mz and Aliette - F for Controlling Red Pepper Fruit Rot Caused by Phytophthora Capsici
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Abstract
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Effect of Metalaxyl-Mz and Aliette-F to Phytophthora capsici was studied in vitro and in vivo. Metalaxyl-Mz was more inhibitory than Aliette-F on Mycelial growth. Although Aliette-F had more inhibitory effect on zoosporangial formation, there was no big difference among the other concentrations of the two fungicides. A higher inhibitory trend of zoosporangial formation, however, was resulted by the chemical when compared to the control. The extract obtained from the red pepper treated with Metalaxyl-Mz showed a good inhibitory effect on mycelial growth, and there was not so big difference between 400 and 600 times concentrations. The 1000 times concentration was less inhibitory than the above two concentration levels. Although there no distinct difference the two chemicals, Aliette-F and Metalaxyl-Mz, however, preventive effect was higher than curative effect under the green house tests.
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