Author(s):

Udit Kumar, Sudarshan Prasad, Ravindra Kumar Tiwari and BM Sinha

Abstract: A field study was conducted taking eight genotypes of watermelon at RPCAU, Pusa during spring-summer of 2019 and 2020 to judge their suitability of cultivation at river bed of dhab area. Watermelon is a promising vegetable crop grown in River bed area of rivers of Bihar. Farmers mostly grow ‘land races’ that leads to poor quality, low productivity and less market return and irrigating the field by uplifting water in bucket from side by river which is very tedious and expensive. The Dr. Rajendra Prasad Central Agricultural University, Pusa has started trial on “Evaluation of high yielding varieties of watermelon for river bed cultivation under solar based boat operated gravitational drip irrigation system. Eight varieties were assessed for various growths and yield attributes at river bed of dhab area of RPCAU, Pusa during spring-summer of 2019 and 2020. Significant variation was observed among the different varieties for all the character like vine length, number of branches per vine, fruit length, fruit circumference, average fruit weight, number of fruit per plant and fruit yield per plant. Maximum numbers of fruits per plant (3.51), average fruit weight (3.47 Kg) and fruit yield per plant (13.42 Kg) and fruit yield per hectare (51.18 t) were recorded with the variety Sangria followed by Sugar baby. So, it can be concluded that variety Sangria performed better fruit yield in the river bed of budhi gandak under solar based boat operated gravitational drip irrigation system.

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