Author(s):

JB Bhalerao, RA Chavan, BB Dharbale, CS Swami, PB Kardile and AH Kendre

Abstract: Present research work entitled “Studies on In-vitro efficacy of chemicals against major fungi associated with post-harvest rot of tomato” was conducted at the Department of Plant Pathology, college of Agriculture, Badnapur and Agriculture Research Station, Badnapur, Dist- Jalna (VNMKV, Parbhani ), M.S. during the year 2017-18. The experiment was laid out in Completely Randomised Design-CRD, with three replications and five treatments. The present investigation was carried out to evaluate effect of different chemical like boric acid, calcium chloride, sodium bicarbonate and potassium chloride were tested in-vitro separately at 1% and 2% concentrations on mycelial growth of major fungi associated with tomato rot. Calcium chloride and Boric acid at both concentration 1 & 2% were found most effective in inhibit the mycelial growth of Alternaria solani, Aspergillus niger and Rhizopus stolonifer, while least inhibition of these fungi was observed with Potassium chloride and Sodium bicarbonate Colletotrichum gloeosporioides gave least growth in treatment of Potassium chloride and Boric acid at 1% while at 2% Calcium chloride inhibited the maximum growth of C. gloeosporioides followed by Potassium chloride, while the least average mycelial inhibition was recorded with Sodium bicarbonate and Boric acid 87.64%.

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