Author(s):

Ankit Pandey, Neeru Dubey and Shailendra K Dwivedi

Abstract: An experiment was carried out in the aonla orchard farm K.N.K. college of Horticulture Mandsaur, Madhya Pradesh, during 2015 – 16 to 2016 – 17. The meteorological data revealed that the minimum temperature ranged from 8.7 0C to 26.6 0C and 9.6 0C to 28.4 0C and maximum temperature from 22.8 0C to 42.8 0C and 24.5 0C to 43.0 0C during 2015 – 16 and 2016 – 17, respectively. The highest and lowest relative humidity were recorded in the 44.1 % and 92.1 % and 43.0 % and 87.0 %, 2015 – 16 and 2016 – 17, respectively. Total rainfall 744.8 mm and 844.7 mm were recorded during 2015 – 16 and 2016 – 17, respectively. In randomized block design (RBD) with sixteen treatments consisting of foliar spray of Borax, Planofix, Bayleton, Calcium Nimicidine, and control trees were sprayed with water. Various substances, which were applied 15-20 days before the expected date of harvest. Fresh fruits of each cultivar from all sampling dates were stored under ambient conditions and following observations pertaining to changes in physico-chemical characteristics of the fruit were recorded at weekly were recored. Changes in fruit colour from green to yellowish green, with a subsequent increase in its intensity was observed in both the cultivars occurred after 238 and 288 DFFB in the cvs. NA-7 and Chakaiya. Maximum significant pulp: stone ratio was observed in NA-7 and Chakaiya and recorded pulp-stone ratio of 21.97 and 21.33, respectively

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