Resopnse of Soil and foliar application of Silicon and micronutrient on growth, yield and quality of Sapota under hill zone of karanatakas
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Date
2012-09
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University of Horticultural Sciences, Bagalkot (COLLEGE OF HORTICULTURE, MUDIGERE )
Abstract
The field experiment was conducted during the year 2011-12 to
know the response of soil and foliar application of silicon and
micronutrients on growth, yield and quality of sapota at RHREC,
Mudigere. Silicon sources like potassium silicate as foliar application at
the concentrations of 6 and 8 ml per litre and calcium silicate as soil
application were applied only once at the concentrations of 1.0, 1.5, 2.0
and 2.5 kg per tree. Boron was applied at the concentration of 2 and 3 g
per litre and micronutrients were applied at 3 and 4 ml per litre at
monthly intervals.
The maximum total leaf chlorophyll content (8.47 mg/g),
maximum number of shoots (23.96), maximum number of flowers
(250.16), fruits per square meter (27.16) and the maximum number of
fruits per tree (1216.66) and traits like, the highest yield per tree (124.81
kg), yield per hectare (12.48 t), fruit weight (99.66 g), fruit length (5.55
cm), diameter of fruit (5.85 cm) and volume of fruit (102.38 ml) and the
quality traits like maximum total soluble solids (25.16 %), shelf life
(10.90 days), minimum physiological loss in weight (8.91 %) and the
minimum number of mummified fruits (34.00) were observed in
treatment with foliar application of potassium silicate at 8 ml per litre.