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2006•Journal of Biological ControlRequires access

Effect of Paenibacillus polymyxa HY96-2 on Bacterial Wilt of Tomato

LI Yuan-guang

Open publisher page 4 citations

Abstract

The inhibition of biocontrol agent Paenibacillus polymyxa HY96-2 on Ralstonia solanacearum Nb-1 was determined in vitro. Result showed that the inhibition rates were 20.1% and 24.7% by dual culture and double layer culture methods,respectively.Greenhouse trials demonstrated that soaking root was the best way to use the ferment fluid of HY96-2 and its product KDLD to control tomato bacterial wilt disease.Control efficiencies were 77.8% at 21 days after soaking root with HY96-2 ferment fluid and 81.5% at 20 days after soaking with 100 times diluted KDLD.Field tests showed that 100 times diluted KDLD prevented the disease in all growing season of tomato with control efficiency 81.8% at harvest.

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What this paper is about

The inhibition of biocontrol agent Paenibacillus polymyxa HY96-2 on Ralstonia solanacearum Nb-1 was determined in vitro. Result showed that the inhibition rates were 20.1% and 24.7% by dual culture and double layer culture methods,respectively.Greenhouse trials demonstrated that soaking root was the best way to use the ferment fluid of HY96-2 and its product KDLD to control tomato bacterial wilt disease.Control efficiencies were 77.8% at 21 days after soaking root with HY96-2 ferment fluid and 81.5% at 20 days after soaking with 100 times diluted KDLD.Field tests showed that 100 times diluted KDLD prevented the disease in all growing season of tomato with control efficiency 81.8% at harvest.

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Available abstract

The inhibition of biocontrol agent Paenibacillus polymyxa HY96-2 on Ralstonia solanacearum Nb-1 was determined in vitro. Result showed that the inhibition rates were 20.1% and 24.7% by dual culture and double layer culture methods,respectively.Greenhouse trials demonstrated that soaking root was the best way to use the ferment fluid of HY96-2 and its product KDLD to control tomato bacterial wilt disease.Control efficiencies were 77.8% at 21 days after soaking root with HY96-2 ferment fluid and 81.5% at 20 days after soaking with 100 times diluted KDLD.Field tests showed that 100 times diluted KDLD prevented the disease in all growing season of tomato with control efficiency 81.8% at harvest.

Key concepts: Bacterial wilt, Paenibacillus polymyxa, Ralstonia solanacearum, Biology, Wilt disease, Horticulture, Biological pest control, Paenibacillus

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Effect of Paenibacillus polymyxa HY96-2 on Bacterial Wilt of Tomato — Research Paper | ScholarLens