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Efficiency of Several Fungicides to Control Wheat Powdery Mildew

Jing Sun

Open publisher page 3 citations

Abstract

In order to screen effective fungicides to control wheat powdery mildew,the efficacy of 13 fungicides was measured against wheat powdery mildew in the fields.The fungicides were spayed at the early stage of the disease and the disease condition was investigated after 25 days.The results showed that 13 fungicides had some control effects of 40.5%-86.8%.Three fungicides,50% Kresoxim-methyl DF,7.5% Epoxiconazole EC and 25% Propiconazole EC had best control effect(86.8%,85.1% and 79.3%,respectively),and the other six fungicides,50% Cyprodinil WG,5% SYP-1620 EC,12.5% Diniconazole WP,15% SYP-7017 EC,20% Tebuconazole·SYP-1620 SC and 15% Triadimefon WP also had good control effect(69.3%,66.7%,65.0%,63.6%,62.4% and 60.8%,respectively).The nine fungicides were recommended for use in wheat production.

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What this paper is about

In order to screen effective fungicides to control wheat powdery mildew,the efficacy of 13 fungicides was measured against wheat powdery mildew in the fields.The fungicides were spayed at the early stage of the disease and the disease condition was investigated after 25 days.The results showed that 13 fungicides had some control effects of 40.5%-86.8%.Three fungicides,50% Kresoxim-methyl DF,7.5% Epoxiconazole EC and 25% Propiconazole EC had best control effect(86.8%,85.1% and 79.3%,respectively),and the other six fungicides,50% Cyprodinil WG,5% SYP-1620 EC,12.5% Diniconazole WP,15% SYP-7017 EC,20% Tebuconazole·SYP-1620 SC and 15% Triadimefon WP also had good control effect(69.3%,66.7%,65.0%,63.6%,62.4% and 60.8%,respectively).The nine fungicides were recommended for use in wheat production.

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Available abstract

In order to screen effective fungicides to control wheat powdery mildew,the efficacy of 13 fungicides was measured against wheat powdery mildew in the fields.The fungicides were spayed at the early stage of the disease and the disease condition was investigated after 25 days.The results showed that 13 fungicides had some control effects of 40.5%-86.8%.Three fungicides,50% Kresoxim-methyl DF,7.5% Epoxiconazole EC and 25% Propiconazole EC had best control effect(86.8%,85.1% and 79.3%,respectively),and the other six fungicides,50% Cyprodinil WG,5% SYP-1620 EC,12.5% Diniconazole WP,15% SYP-7017 EC,20% Tebuconazole·SYP-1620 SC and 15% Triadimefon WP also had good control effect(69.3%,66.7%,65.0%,63.6%,62.4% and 60.8%,respectively).The nine fungicides were recommended for use in wheat production.

Key concepts: Fungicide, Powdery mildew, Propiconazole, Triadimefon, Tebuconazole, Myclobutanil, Biology, Blumeria graminis

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