Ecofriendly management of Fusarial wilt disease in Tomato
D. John Christopher, T. Suthin Raj, S. Shanmugapackiam, R. Udhayakumar, S. Usharani
Abstract
D. John Christopher, T. Suthin Raj, S. Shanmugapackiam, R. Udhayakumar, S. Usharani
Abstract
In the present study coir pith compost (CPC), neem cake (NC) were used as soil amendments with or without Trichoderma harzianum in different frequency application to evaluate their efficacy in suppressing Fusarium oxysporum f.sp. lycopersici. Application of T. harzianum as seed @ 4 m kg−1 plus soil @ 10 kg ha−1 on 0 DAT and 30 DAT along with soil application of compost @ 250 kg ha−1 showed the minimum wilt incidence of 16.2%. It also recorded the maximum fruit yield (2145 g/plant) and also the rhizosphere survival of T. harzianum was significantly superior over other treatments. With regards to survival of pathogen in the rhizosphere region, the same treatment significantly reduced the population of F. oxysporum f.sp. lycopersici. In general, increasing frequency of application of T. harzianum along with organic amendments increased the growth character, fruit yield of tomato.
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In the present study coir pith compost (CPC), neem cake (NC) were used as soil amendments with or without Trichoderma harzianum in different frequency application to evaluate their efficacy in suppressing Fusarium oxysporum f.sp. lycopersici. Application of T. harzianum as seed @ 4 m kg−1 plus soil @ 10 kg ha−1 on 0 DAT and 30 DAT along with soil application of compost @ 250 kg ha−1 showed the minimum wilt incidence of 16.2%. It also recorded the maximum fruit yield (2145 g/plant) and also the rhizosphere survival of T. harzianum was significantly superior over other treatments. With regards to survival of pathogen in the rhizosphere region, the same treatment significantly reduced the population of F. oxysporum f.sp. lycopersici. In general, increasing frequency of application of T. harzianum along with organic amendments increased the growth character, fruit yield of tomato.
Key concepts: Trichoderma harzianum, Compost, Fusarium oxysporum, Neem cake, Rhizosphere, Pith, Horticulture, Population