EFFECT OF FOLIAR APPLICATION OF UREA, KNO3 AND ZnSO4 ON YIELD AND YIELD CONTRIBUTING CHARACTERS OF CUSTARD APPLE (Annona squamosa L.) Cv. BALANAGAR
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 60
Abstract
The present investigation was undertaken to study the effect of foliar application of nutrients on yield and yield contributing characters of custard apple (Annona squamosa L.) cv. Balanagar during year 2014-15 at Horticultural Research Station, Konda Mallepally, Nalgonda. The experiment was laid out in Randomized block design comprising of ten treatments replicated thrice. The treatments consist of urea, KNO3 and ZnSO4 with each of three different concentrations. The treatments were viz., foliar application of urea @ 0.5 % (T1), urea @ 1 % (T2), urea @ 1.5 % (T3), KNO3 @ 0.5 % (T4), KNO3 @ 1 % (T5), KNO3 @ 1.5 % (T6), ZnSO4 @ 0.2 % (T7), ZnSO4 @ 0.4 % (T8), ZnSO4 @ 0.6 % (T9) and control treatment with only water spray (T10). The treatments were imposed two times during the crop period viz., 1 month before flowering and at the time of fruit set. From the study, the results enunciated that the yield and yield contributing characters were significantly influenced by foliar application of different concentrations of nutrients. Number of fruits per plant (29.83), fruit length (10.45 cm), fruit breadth (12.35 cm), average fruit weight (264.72 g), fruit yield per plant (7.9 kg) and pulp per cent per fruit (40.1%) were reported highest with the foliar application of KNO3 @ 1.5 %. This treatment was also results in better values for rind per cent per fruit (52.67%), seed per cent per fruit (5.47%) and seed number per fruit (15). Stone fruits per tree were found to be non- significant.
Authors and Affiliations
D. RAMESH
Keywords
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