Effect of different pruning intensities on growth, yield and quality of kinnow (Citrus reticulata blanco)
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Date
2019-01
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Sher-e-Kashmir University of Agricultural Sciences & Technology of Jammu, Jammu
Abstract
An investigation entitled “Effect of different pruning intensities on growth, yield and quality of kinnow (Citrus reticulata blanco)” was conducted at Research Farm, ACHR, Udheywalla SKUAST-Jammu during the year 2016-17. The experiment was laid out in RBD factorial with different pruning intensities i.e., 15%, 20% and 25% on different dates i.e., 1st January, 15th January and 30th January with a control (no-pruning) on kinnow.
Experimental results revealed that among different pruning intensities, plants pruned at 20% intensity on1st January recorded significantly higher growth characteristics viz., shoot length (0.88m), shoot girth (2.42cm), No. of leaves/shoot (43.27), No. of buds/shoot (60.55), time of emergence of shoot (9.29 days), No. of shoots produced (52.92), total no. of shoots(298.53).
The treatment with pruning intensity @20% on 15th January recorded significantly higher Yield attributes (Number of fruits/plant (185.00), Yield (5.43tonnes/ha), and maximum fruit length (6.18cm), fruit breadth (6.60cm), fruit weight (191.88g), fruit volume (183.15cc), juice (51.15%), Similarly kinnow plants pruned on 15th January with pruning intensity @20 percent recorded maximum TSS (10.89obrix), Acidity (1.39 percent), Total Sugar (8.58 percent), Vitamin C (26.38 per 100 g of juice) than 20% pruning on 15th January.
Therefore it can be concluded from the above results that the pruning of plants at medium intensity levels during the 1st January with 20% pruning increases the plant growth dynamics and encourages the formation of bud availability. Conclusively, intermediate pruning on 15th January with 20% pruning intensity appeared to be the best time and method to obtain maximum yield and quality of Kinnow fruit
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