The effects of eight native bacterial isolates were tested in vitro for their ability to inhibit the growth of Lasiodiplodia theobromae, the causal agent of peduncle blight of tuberose. The studies revealed that Pseudomonas fluorescens (PFC-I8) and Bacillus subtilis (BSC-I1) showed the highest inhibition of mycelial growth of (70.60%; 66.41%, respectively) L. theobromae. Both the antagonists were compatible with each other and they were tested alone and together in vivo for the control of L. theobromae. The combined application of P. fluorescens + B. subtilis (T6) through bulb treatment followed by soil and foliar application recorded minimum incidence of peduncle blight and maximum plant growth and flower yield.
How to cite this article:
Muthukumar, A., Suthin Raj, T., Udhayakumar, R. and Naveenkumar, R. 2019. Evaluation of antagonistic microbes against peduncle blight caused by Lasiodiplodia theobromae (PAT.) Griffon & Maubl in tuberose. Journal of Biopesticides, 12(1): 83-94.
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