INFLUENCE OF ARBUSCULAR MYCORRHIZAL FUNGI ON SEED PRODUCTION AND TOMATO (Solanum lycopersicum L.)
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Date
2016
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ABSTRACT
The present studies were conducted in the Department of Seed Science and Technology, Dr. Yashwant Singh Parmar University of Horticulture & Forestry, Nauni, Solan (Himachal Pradesh) under polyhouse and laboratory conditions during 2015. Tomato (Solanum lycopersicum L.) is one of the most important vegetable crop grown throughout the world. AM fungi are the soil fungi which live in symbiotic relationship with the roots of plants. The primary effect of AM fungi on host plant is the increase of plant growth and nutrient uptake. In the present investigations it is observed that that the higher plant growth (plant height 261.00cm), fruit yield (1084.85 kg/ha), seed yield (388.62kg/ha) and lower incidence of diseases (6.20% of Alternaria blight and 3.37% of Fusarium wilt) and higher vigor {seed vigor index mass (182.46) and seed vigor index length (1700.55)} and reduced the seed microflora (0.32%) were observed upon application of AMF isolate-3 plus recommended dose of P and it was followed by the treatment of AMF isolate-2 plus recommended dose of P in tomato cv. Solan Lalima. The mycorrhiza increased all the plant growth characters and reduced disease incidence significantly. The AMF isolate-3 resulted in increased plant growth, fruit yield, seed yield and reduced the disease incidence even applied with half of recommended dose of P than the non mycorrhizal plants applied with full dose of P. In general the plants inoculated with AM isolate-3 showed significantly better growth of tomato plants, better seed quality characters and lower disease incidence as compared to non-inoculated plants.
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Tomato (Solanum lycopersicum L.) ,fungi