Field experiments were conducted in a randomized complete block design (RCBD) with four doses of potassium (K) {2.5, 3.0, 3.5 and 4.0 kg muriate of potash (MOP) tree-1} applied in two, three and four equal splits to access the effect of K on fruit quality of apple cultivar Red Delicious during 2015-16 and 2016-17. Results revealed that the K application @ 2.5 to 3.0 kg MOP tree-1 was optimum in producing quality fruits. Potassium applied in four equal splits improved the K use and had a significant benficial impact on the physico-chemical characters of the apple fruits.
Keywords: Apple, Red Delicious, potassium, fruit quality, bitter pit, nutrient status
This research was funded by the International Potash Institute (IPI).
G.H. Rather, Surinder Kumar Bansal, Owais Bashir and Umar Waida
Indian Journal of Fertilisers 15(7):790-797 (July 2019)
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