TITLE

Screening of Chemical Control for Potato Blight

AUTHOR(S)
Chen Chunyan; Wang Chaohai; Chen Yuzhang; Liang Zhengjuan; Wang Shengnan; Wang Song
PUB. DATE
April 2015
SOURCE
Plant Diseases & Pests;Apr2015, Vol. 6 Issue 2, p16
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
To screen chemicals for controlling potato blight effectively, randomized block experiment was adopted, the control efficiency of five chemicals for Car-bendazim, Metalaxyl, Dithane mancozeb, Curzate, Cymoxanil mancozeb was explored. The results showed that the efficiency of Metalaxyl was much better than that of other conventional chemicals in controlling potato blight, up to 70. 59% ; the mean control efficiency of Curzate and Cymoxanil mancozeb was 68. 76% and 67.05% ; the control efficiency of Carbendazim was lower, 55.76%. Big and middle tuber rate, tuber weight per hole, plot yield, unit area yield of potatoes in Metalaxyl treatment were the highest, 78.05% , 437.24 g/hole, 34.0 kg/21.6 m2 and 15 748.61 kg/hm2, 49.12% higher than the control yield. The indexes of potatoes in Cymoxanil mancozeb treatment were the second highest, 73.33% , 385.31 g/hole, 32.8 kg/21.6 m2 and 15 192.78 kg/hm2, 43. 86% higher than the control yield.
ACCESSION #
110337576

 

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