Author(s):

PS Pawar, VK Garande and BR Bhite

Abstract: A field experiment on effect of vermicompost and biofertilizers on growth, yield and fruit quality of sweet orange (Citrus sinensis L. Osbeck) cv. Mosambi was carried out at All India Coordinated Research Project on Fruits, Department of Horticulture, Mahatma Phule Krishi Vidyapeeth, Rahuri, Dist-Ahmednagar during the period 2013-14 to 2017-18. The results obtained that the use of vermicompost and biofertilizers affects on growth, yield and fruit quality of sweet orange. The maximum plant height (3.40 m), fruit weight (197.47 g), number of fruits (292.12 fruits/tree), yield (57.69 kg/tree and 15.97 t/ha), juice (48.05%), TSS (10.00 ^oBrix), ascorbic acid (55.32 mg/100 ml juice), reducing sugars (4.20%), non-reducing sugars (3.16%), total sugars (7.34%) and B : C ratio (1.78) with minimum acidity (0.46%) were recorded in treatment T₄ i. e. application of 75% Vermicompost (On N-equivalent basis of RDF) + Trichoderma harzianum (30-40 ml/plant) + Azadirachtin (1% at 3-4 ml/litre as spray) + Pseudomonas fluorescence (30-40 ml/plant). From the results, it was recommended that application of 75% Vermicompost (On N-equivalent basis of RDF) + Trichoderma harzianum (30-40 ml/plant) + Azadirachtin (1% at 3-4 ml/litre as spray) + Pseudomonas fluorescens (30- 40 ml/plant) in the month of January is recommended for better growth, yield, quality fruits and shelf life of fruits in Ambia bahar of sweet orange planted in medium black soils of Western Maharashtra.

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