EFFECT OF DIFFERENT LEVELS OF NITROGEN AND SPACING ON NEWLY EVOLVED TOMATO (Lycopersicon esculentum Mill) CV. DHANASHREE
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Date
1994-08-15
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MAHATMA PHULE KRISHI VIDYAPEETH RAHURI. DIST- AHMEDNAGAR. M. S, (INDIA)
Abstract
The growth contributing characters such as days to flowering, height ot plant, plant spread and number of primary branches per plant were significantly influenced by different levels of nitrogen. The minimum number of days to flowering was recorded at 150 kg N/ha. The plant height, number of primary branches per plant and plant spread in East West and Jouth-Uorth directions were highest at 2 50 kg N/ha. The fruit weight and fruit size was significantly influenced by different levels of nitrogen. The highest fruit weight and fruit size was obtained at 2 50 kg N/ha. The marketable fruits per plant, marketable and total yield pn licet,ire differed si gn i I leant.ly due to different levels of nit.Logen. The application ot 2 50 kg N/ha gave the highest total and marketable yields per hectare The marketable yield per hectare recorded at 2 50 kg N/ha was at par with 200 kg N/ha. The fruit quality parameters such as per cent TSS, per cent acidity, juice percentage, ascorbic acid, pericarp thickness, seed content and shelf life increased with increasing levels of nitrogen. There was interactive influence ot spacings and nitrogen levels on plant height, yield characters and on seed content. The plant height obtained by 2 50 kg N/ha was more than the rest of the nitrogen levels among the spacings tried. The highest total yield per hectare was recorded at closest spacing of 2 75 x 30 cm and at 200 kg N/ha; however, the maximum marketable yield per hectare was obtained at closest spacing of 75 x 30 cm and at 150 kg N/ha which was at par with 200 kg N/ha. The maximum auinbci. OL max. ke table LiuiLs pel. plant was recorded at wider spacing or 90 x 40 cm and at 200 kg N/ha. The minimum seed content per- kg of fruits was obtained at closest spacing of 75 x 30 cm and at 150 kg N/ha. The results obtained in the present investigations indicated that the closest spacing of 75 x 3o cm and 200 kg N/ha gave better yield and good quality tomato fruits on the soils rich in potassium.
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