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Effects of Different Fungicide Combinations on the Control of Potato Late Blight and Yield of Potato

LI Huawe

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Abstract

The effects of three fungicide combinations on the control of the susceptible potato cultivars/varieties Favorite were investigated,including Metalaxyl-M mancozeb(68% WG),Antracol propineb(70% WP)and Oxadixyl mancozeb(64% WP).Our results showed that the controlling effect of the combination of two or three fungicides is better than a single one.After the alternative application of Metalaxyl-M mancozeb(68% WG)and Antracol propineb(70% WP),Antracol propineb(70% WP)and Oxadixyl mancozeb(64% WP),Metalaxyl-M mancozeb(68% WG)and Oxadixyl mancozeb(64% WP)for four times,the control effects were reached 65.96%,61.70%and 60.34% and the yields were increased by 61.74%,60.07% and 52.01% respectively.Our results suggest that alternately application of fungicids will be benefit for the control of late blight.

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What this paper is about

The effects of three fungicide combinations on the control of the susceptible potato cultivars/varieties Favorite were investigated,including Metalaxyl-M mancozeb(68% WG),Antracol propineb(70% WP)and Oxadixyl mancozeb(64% WP).Our results showed that the controlling effect of the combination of two or three fungicides is better than a single one.After the alternative application of Metalaxyl-M mancozeb(68% WG)and Antracol propineb(70% WP),Antracol propineb(70% WP)and Oxadixyl mancozeb(64% WP),Metalaxyl-M mancozeb(68% WG)and Oxadixyl mancozeb(64% WP)for four times,the control effects were reached 65.96%,61.70%and 60.34% and the yields were increased by 61.74%,60.07% and 52.01% respectively.Our results suggest that alternately application of fungicids will be benefit for the control of late blight.

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Available abstract

The effects of three fungicide combinations on the control of the susceptible potato cultivars/varieties Favorite were investigated,including Metalaxyl-M mancozeb(68% WG),Antracol propineb(70% WP)and Oxadixyl mancozeb(64% WP).Our results showed that the controlling effect of the combination of two or three fungicides is better than a single one.After the alternative application of Metalaxyl-M mancozeb(68% WG)and Antracol propineb(70% WP),Antracol propineb(70% WP)and Oxadixyl mancozeb(64% WP),Metalaxyl-M mancozeb(68% WG)and Oxadixyl mancozeb(64% WP)for four times,the control effects were reached 65.96%,61.70%and 60.34% and the yields were increased by 61.74%,60.07% and 52.01% respectively.Our results suggest that alternately application of fungicids will be benefit for the control of late blight.

Key concepts: Mancozeb, Metalaxyl, Fungicide, Blight, Horticulture, Cultivar, Yield (engineering), Biology

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Effects of Different Fungicide Combinations on the Control of Potato Late Blight and Yield of Potato — Research Paper | ScholarLens