Sandeep Kumar Singh*1,2, Harish Chandra Raturi1,2 and Ravindra Kumar2
1Department of Vegetable Science, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh
2Department of Agriculture, Mata Gujri College, Sri Fatehgarh Sahib, Punjab
Email: sandeephort0233@gmail.com, sandeepkumar@matagujricollege.org
Received-06.11.2017, Revised-22.11.2017
Abstract: The present studies were carried out at Experimental Farm of the Dr Y S Parmar U H F, Horticulture Research Station, Kandaghat, Solan, Himachal Pradesh during Kharif season of 2011 and 2012 to find out the effect of mulches and biofertilizers on different genotypes of tomato. The experiment was laid out in Split-Split Plot Design (SSPD) comprising of 27 treatments having combinations of three genotypes (V1-Naveen 2000+, V2-Sun-7711 and V3-Solan Lalima), three mulches (M0-No mulch, M1-Pine needle mulch and M2– black polyethylene) and three biofertilizers (B0-recommended NPK, B1-100 % NPK + Azotobacter (1g/plant) + PSB (1g/plant) and B2-75 % NPK + Azotobacter (1g/plant) + PSB (1g/plant) replicated thrice. Among varieties, maximum yield was observed with the variety V2 (Sun-7711), but the fruit quality characters were observed with the variety V3 (Solan Lalima). Among the mulch materials the M2 (Black polythene) and biofertilizers B1 (100% NPK + Azotobacter (1g/plant) + PSB (1g/plant) were recorded to be the best regarding the fruit yield and quality. The first order interactions viz., varieties x mulch, biofertilizers x mulch and varieties x biofertilizers significantly affected most of the characters under study. Maximum fruit yield was obtained with treatment combinations of V2M2 (Sun-7711 applied with black polyethylene mulch), B2M2 (75% NPK + Azotobacter (1g/plant) + PSB (1g/plant) applied with black polyethylene mulch) and V2B2 (Sun-7711with 75 % NPK + Azotobacter (1g/plant) + PSB (1g/plant). Further in three factor interaction, the highest fruit yield (1037.33 q/ha) was obtained with the treatment combination of Sun-7711, 75% NPK + Azotobacter (1g/plant) + PSB (1g/plant) and black polyethylene mulch (V2B2M2).
Keyword: Biofertilizers, Mulch, Genotypes, Azotobacter
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