EFFECT OF DIFFERENT COLOUR AND INTENSITY OF SHADE NET ON GROWTH, YIELD AND QUALITY OF TOMATO (Solanum lycopersicum L.,) var. ARKA RAKSHAK
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Date
2015-07-10
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BENGALURU
Abstract
An investigation was carried out at the Precision Farming Development Centre
(PFDC), Department of Horticulture, GKVK, UAS, Bengaluru during 2013-14 to know
the effect of different colour and varying percentages of shade nets with fifteen
treatments replicated thrice .The results have shown that treatment T12 (C4P3: Black
colour shade net + 75 per cent shade ) has recorded highest plant height (185.67 cm), but
early flowering (28.10 days), flowers per plant (118.5) per cent fruit set (78.17 %), fruits
per plant (88.15), yield per plant (8.73 kg) and yield per hectare (193.80 t/ha) was higher
under the treatment T9 (T9 - C3P3: Red colour shade net + 75 per cent shade). The
maximum number of branches (19.20), leaf area (86.81 cm2), dry matter per plant (254.7
g) and early fruit set (7.77 days) were also higher under the same treatment. With respect
to fruit size maximum fruit length (5.51 cm), breadth (5.32 cm) and fruit weight (74.99 g)
was recorded in treatment T12. Among quality parameters, TSS (4.95 oB) and fruit
firmness (4.38 kg/cm2), Lycopene and Ascorbic acid content (5.51 and 16.46 mg/100g)
respectively were higher under treatment T9 (T9 - C3P3: Red colour shade net + 75 per
cent shade). Maximum shelf life of 26.86 days was registered in fruits of tomato crop
grown under treatment T3 (T3- C1P3: Green with black interwoven shade net + 75 per cent
shade) while shelf life in 1 per cent ventilated polybags was also higher (32.45 days) in
under treatment T3 (T3- C1P3: Green with black interwoven shade net + 75 per cent
shade).
The results of this study shows that cultivation of tomato crop under 75 per cent
red colour shade net is ideal for getting higher yield with better quality fruits throughout
the year.
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