EFFECT OF TURFVIGOUR AND AGRIPLEX ON STRAWBERRY [Fragaria x ananassa Duch.] cv. ‘SUJATHA’
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Date
2008-07-29
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University of Agricultural Sciences GKVK, Bangalore
Abstract
A study was undertaken during 2007-2008 at the Horticultural Research Station,
University of Agricultural Sciences, GKVK, Bangalore to assess the effect of foliar
application of TurfVigour and Agriplex at different concentrations on growth, yield,
quality and nutrient uptake of strawberry cv. Sujatha. Foliar application of [TurfVigour
10 lit/ha + Agriplex 3.25 lit/ha] at 15 days interval along with recommended dose of
fertilizers [40: 100: 150 kg NPK/ac] and organic manure [FYM 25 tonnes + neem cake
500 kg/ac] resulted in maximum plant growth viz., plant height [28.64 cm], plant spread
[2184.99 cm2], number of leaves [159.05], index leaf area [40.16 cm2], number of
runners per plant [25.94], leaf total chlorophyll [2.42 mg/g] chlorophyll ‘a’ [1.69 mg/g]
and chlorophyll ‘b’ [0.73 mg/g] contents, maximum yield attributes viz., early flowering
[120.50 days], full flowering [133.00 days], number of flower per plant [25.49] fruit set
percentage [85.28%] number of fruits per plant [21.89], number of fruits per bed
[414.13], fruit yield per plant [146.75g], fruit yield per bed [3.94 kg], fruit yield per
hectare [8.47 t/ha], highest number of large sized A grade fruits [43.80] and fruit
character viz., fruit weight [10.80 g], fruit volume [14.92 ml], polar diameter of fruit
[4.97 cm], transverse diameter of fruit [3.67 cm], were highest. The quality parameter
viz., TSS [8.76 0Brix], total sugars [8.200%], reducing sugars [ 2.367%], non – reducing
sugars [5.937%] were maximum and titratable acidity [0.700%] was lowest leaf nutrient
content viz., nitrogen [2.95%], phosphorous [0.57%], potassium [2.97%], calcium
[4.25%] and micro nutrients such as iron [167.95 ppm], manganese [183.25 ppm], zinc
[95.75 ppm], copper [45.75 ppm], were recorded maximum in the above mentioned
treatment. Foliar spray of TurfVigour 10 lit/ha and Agriplex 3.25 lit/ha at 15 days interval
can be adopted in commercial cultivation of strawberry.
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