EFFECT OF DIFFERENT SPACING AND NITROGEN APPLICATION ON GROWTH AND YIELD OF BRINJAL (Solatium melongena L.) Var. Phule Harit.
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Date
2003-12-30
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MAHATMA PHULE KRISHI VIDYAPEETH Rahuri 413722, Dist: Ahmednagar MAHARASHTRA STATE (INDIA)
Abstract
The present investigation entitled, "Effect of different spacing and nitrogen application on growth and yield of brinjal (Solarium melongena L.) var. Phule Harit." was carried out at Modibaug Garden, Horticulture Section, College of Agriculture, Pune during 2002-2003. The experiment was laid out in the Factorial Randomized Block Design with three replications. Among the treatments, three spacings viz., 90 X 90 cm, 90 X 75 cm, 90 X 60 cm and three Nitrogen levels viz., 150 kg, 200 kg and 250 kg of Nitrogen per hectare respectively were adopted. Urea was used as the source of nitrogen. Complete dose of phosphorus and potassium with one third dose of nitrogen were given at the time of transplanting, while the remaining two third dose of nitrogen was given in three split doses at monthly interval starting from 30 days after transplanting. FYM @10 tonnes per hectare was applied to all the treatments at the time of preparatory tillage. Based on the Analysis of Variance (M.S.S) for different characters it was observed that the spacing and nitrogen differs significantly for all the characters. Where as the spacing and nitrogen interaction was significant for plant spread, number of branches, days for first and 50 per cent flowering, days for last harvest, yield/plot, yield/ha, marketable yield/ha and unmarketable yield/ha. The growth parameters viz., plant height, plant spread and number of branches were significantly affected with different spacing and various nitrogen levels. The highest growth was obtained with wide spacing of 90 X 90 cm with 250 kg of nitrogen per hectare. Early flowering and harvesting was observed with minimum spacing of 90 X 60 cm and lower dose of nitrogen i.e. 150 kg/ha. The yield characters such as number of fruits per plant, weight of fruits per plant, yield per hectare were maximum with 90 X 90 cm spacing and 250 kg/ha of nitrogen which was significantly higher than that of the other treatments. The incidence of shoot and fruit borer with this treatment was less when compared with the other treatments. The wider spacing has resulted in more vegetative growth and optimum dose of nitrogen results in good development of the fruit.
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