STANDARDIZATION OF HARVEST MATURITY FOR LOW CHILL CULTIVARS OF PEACH [Prunus persica (L.) Batsch] UNDER MID HILL CONDITIONS OF HIMACHAL PRADESH
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Date
2021-01
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NAUNI,UHF
Abstract
ABSTRACT
The present investigation entitled “Standardization of harvest maturity for low chill
cultivars of Peach [Prunus persica (L.) Batsch] under mid hill conditions of Himachal
Pradesh” were carried out at the experimental orchard of Department of Fruit Science, Dr. Y
S Parmar University of Horticulture and Forestry, Nauni, Solan, (HP) during 2014. The
experiment was laid out on 10 years old plants of four commercial low chill cultivars namely;
Tropic Sweet, Early Grande, Florida Prince and Pratap. These plants were planted at a
spacing 4.5m × 4.5m trained on open center system. The whole program of study was split
into two experiments. First experiment was laid out in Randomized Block Design to
standardization of optimum harvest maturity for these cultivars. The second experiment
was conducted to elucidate the relative storage performance of peach cultivars, harvested at
different maturities after one week at ambient temperature. On the basis of physico-chemical
characteristics of the fruits and storage behavior for one week at ambient temperature, 24th
May for Tropic Sweet (102 DFFB), 18th May for Early Grande (93 DFFB), 15th May (87
DFFB & 89 DFFB, respectively) for both cultivars namely; Florida Prince and Pratap were
adjudged as the optimum harvest dates .Among different maturity indices, DFFB, fruit colour,
TSS and Total sugars were found to be the dependent indices of maturity for low chill
cultivars understudy.