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Paper Details

Influence of bio-fertilizers and chemical fertilizers on growth, flowering and fruit characters of guava (Psidium guajava L.) cv. ALLAHABAD SAFEDA


Journal Title:International Journal of Agricultural Sciences

The present investigation was carried out during Kharif-Rabi season of the year 2011 at Horticultural Research Farm, Department of Horticulture, B. A. College of Agriculture, Anand Agricultural University, Anand. There were twenty treatments and the treatments of comprising organic fertilizers (FYM), bio-fertilizers (Azotobacter, PSB), three levels of nitrogen, two levels of phosphorus and 250 g K2O/ha in all trees excluding absolute control were tried in Randomized Block Design with three replications. The results revealed that treatment of 75% N + 75% P2O5 + 100% K2O+ Azotobacter 5ml/tree + PSB 5ml/tree obtained significantly maximum tree height (3.80 m), girth of primary branch (28.67 cm), East West tree spread (5.20 m), North South tree spread (5.13 m) at harvesting stage,minimum number of days for flowering (32.33 days), maximum number of flowers per branch (25.33), fruit set per branch (90.20%) and fruit retention (92.96%), fruit diameter (10.07 cm), fruit weight (215.06 g) and pulp weight (193.44 g) while number of primary and secondary branches were recorded non-significant effect at harvesting stage. the treatment of 100% N + 75% P2O5 + 100% K2O + Azotobacter 5ml/tree + PSB 5ml/tree recorded minimum peel weight (15.00 g), minimum number of seeds (111.33) and in treatment of 75% N + 100% P2O5 + 100% K2O + Azotobacter 5ml/tree + PSB 5ml/tree recorded minimum weight of seeds (4.0 g).