Abstract
The experiments were conducted in the fields of Plant Pathology Division, Bangladesh Agricultural Research Institute, Gazipur during 2014-15, 2015-16 and 2016-17 cropping years to observe the effect of formulated Trichoderma harzianum (Soil amendment with Tricho-compost and seed treatment with T. harzianum spore suspension) and organic soil amendment poultry refuse either singly or in combination with seed treatment with fungicide Provax 200 WP against soil-borne pathogens, Sclerotium rolfsii of lentil causing seedling disease. The partially decomposed poultry refuse was incorporated in the 2 weeks before seed sowing of lentil where Tricho-composts were incorporated in the soil 7 days before seed sowing. Seeds were treated with Trichoderma spore suspension and Provax 200 WP at the time of seed sowing. From this study it was revealed that soil amendment with Tricho-compost or integration poultry refuse with seed treatment by Provax 200 WP performed as the best treatments in reducing seedling mortality and increasing plant growth and yield of lentil which was significantly differed from the other treatments including control. Seed treatment with chemical fungicide provax showed better performance against the disease also seed treatments with Trichoderma spores suspension and soil amendment with poultry refuse which effect at per. Both of them reduced seedling mortality and increased plant growth and yield of lentil.
Highlights
Institute, Gazipur during 2014-15, 2015-16 and 2016-17 cropping years to observe the effect of formulated Trichoderma harzianum (Soil amendment with Tricho-compost and seed treatment with T. harzianum spore suspension) and organic soil amendment poultry refuse either singly or in combination with seed treatment with fungicide Provax 200 WP against soilborne pathogens, Sclerotium rolfsii of lentil causing seedling disease
Soil amendment with Tricho-composts, poultry refuse, seed treatment with Tricho-inocula, Provax 200 WP and integration poultry refuse with Provax 200 WP gave higher seedling emergence in the 2nd year and 3rd year trials ranged from 76.67-83.33% and 77.33 to 83.33%, respectively and the lowest seedling emergence of 48.33% in 2nd year and 49.33% in 3rd year was recorded in control treatment
The results from the present study clearly indicated that integration of poultry refuse with chemical fungicide Provax 200 WP or Tricho-compost having biological control agent T. harzianum provided effective protection measure against seedling diseases of lentil and caused plant growth promotion with higher grain yield of lentil
Summary
Gazipur during 2014-15, 2015-16 and 2016-17 cropping years to observe the effect of formulated Trichoderma harzianum (Soil amendment with Tricho-compost and seed treatment with T. harzianum spore suspension) and organic soil amendment poultry refuse either singly or in combination with seed treatment with fungicide Provax 200 WP against soilborne pathogens, Sclerotium rolfsii of lentil causing seedling disease. Seed treatment with chemical fungicide provax showed better performance against the disease seed treatments with Trichoderma spores suspension and soil amendment with poultry refuse which effect at per Both of them reduced seedling mortality and increased plant growth and yield of lentil. The present study has been designed to formulate eco-friendly disease management packages by using different approaches viz.: T. harzianum based Tricho-composts, soil amendment with poultry manure or integration of poultry manure and seed treatment with chemical fungicides for the management of seedling disease of lentil caused by soil borne fungal pathogen S. rolfsii Sacc
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