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2013•Acta Agriculturae ZhejiangensisRequires access

Comparative experimental study of several fungicides to Botrytis cinerea

Qiu Hou-yuan

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Abstract

The fungitoxicity of six fungicides registered in control of tomato gray mold and seven fungicides unregistered to Botrytis cinerea were determined.The result showed that 25% SYP-2048 EC had the highest inhibition rates in the six registered fungicides,of which the EC50 value was 0.14 mg·L-1;25% prochloraz EC had the highest inhibition rates in the five unregistered fungicides(10% polyoxin B included),of which the EC50 value was 0.66 mg·L-1.In microbial fungicides,the inhibition rate of Trichoderma viride WP(2×108 cfu·g-1),of which the EC50 value was 0.001×108 cfu·L-1,higher than Bacillus subtilis AS(8×109cfu·mL-1).

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What this paper is about

The fungitoxicity of six fungicides registered in control of tomato gray mold and seven fungicides unregistered to Botrytis cinerea were determined.The result showed that 25% SYP-2048 EC had the highest inhibition rates in the six registered fungicides,of which the EC50 value was 0.14 mg·L-1;25% prochloraz EC had the highest inhibition rates in the five unregistered fungicides(10% polyoxin B included),of which the EC50 value was 0.66 mg·L-1.In microbial fungicides,the inhibition rate of Trichoderma viride WP(2×108 cfu·g-1),of which the EC50 value was 0.001×108 cfu·L-1,higher than Bacillus subtilis AS(8×109cfu·mL-1).

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Available abstract

The fungitoxicity of six fungicides registered in control of tomato gray mold and seven fungicides unregistered to Botrytis cinerea were determined.The result showed that 25% SYP-2048 EC had the highest inhibition rates in the six registered fungicides,of which the EC50 value was 0.14 mg·L-1;25% prochloraz EC had the highest inhibition rates in the five unregistered fungicides(10% polyoxin B included),of which the EC50 value was 0.66 mg·L-1.In microbial fungicides,the inhibition rate of Trichoderma viride WP(2×108 cfu·g-1),of which the EC50 value was 0.001×108 cfu·L-1,higher than Bacillus subtilis AS(8×109cfu·mL-1).

Key concepts: Fungicide, Botrytis cinerea, EC50, Trichoderma viride, Botrytis, Biology, Horticulture, Bacillus subtilis

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