STUDIES ON FOLIAR APPLICATION OF PLANT GROWTH REGULATORS AND NUTRIENTS ON FRUIT SET AND QUALITY OF BER (Ziziphus mauritiana Lamk.) UNDER BUNDELKHAND REGION OF UTTAR PRADESH
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Date
2021-10-18
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Banda University of Agriculture & Technology, Banda-210001, Uttar Pradesh, India
Abstract
The present investigation entitled “Studies on foliar application of plant growth regulators
and nutrients on fruit set and quality of ber (Ziziphus mauritiana Lamk.) under Bundelkhand
region of Uttar Pradesh” was carried out during 2020-21 at Horticulture Instructional Farm,
Department of Fruit Science, College of Horticulture, Banda University of Agriculture and
Technology, Banda 210001, (UP). The experiment was laid out in a Randomized Block Design with
12 treatments. The treatments were applied in three replications. Among the fruit set & yield
significant differences for percent of initial fruit set with the application of different concentration of
plant growth regulators and nutrients. Maximum initial fruit set, final fruit set and average fruit yield
was recorded with the application of T10 (GA3 50 ppm + NAA 30 ppm + KNO3 2%). Among the
physical attributes of fruit significantly maximum fruit length and fruit width was measured with the
application of T10 (GA3 50 ppm + NAA 30 ppm + KNO3 2%). Highest fruit weight and fruit volume
was noted with the application of T10 (GA3 50 ppm + NAA 30 ppm + KNO3 2%). The perusal of the
data reveals that the specific gravity and pulp weight showed statistically trends. Maximum specific
gravity and pulp weight was achieved with T10 (GA3 50 ppm + NAA 30 ppm + KNO3 2%). Among
the treatments, maximum seed weight was recorded with T1 (control). The maximum pulp/stone ratio
was found with the application of treatment T10 (GA3 50 ppm + NAA 30 ppm + KNO3 2%). Among
the chemical attributes of fruit significantly maximum total soluble solids content was recorded inT10
(GA3 50 ppm + NAA 30 ppm + KNO3 2%). Maximum protein was recorded with T10 (GA3 50 ppm +
NAA 30 ppm + KNO3 2%. Maximum reducing sugar, non-reducing sugar and total sugar content was
observed with treatment T10 (GA3 50 ppm + NAA 30 ppm + KNO3 2%). Lowest ascorbic acid and
titratable acidity content was recorded in T10 (GA3 50 ppm + NAA 30 ppm + KNO3 2%), while
highest ascorbic acid in (T7) Urea (2%) and titratable acidity was observed in (T6) MOP (2%).
Therefore, It is concluded that the application of GA3 50 ppm + NAA 30 ppm + KNO3 2% is the best
combination for improving fruit set, reducing fruit drop and improving quality attributes and fruit
yield of ber cv. Thai Apple and the same can be recommended to ber fruit growers and researchers.
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Brijesh Patel 2021. STUDIES ON FOLIAR APPLICATION OF PLANT GROWTH REGULATORS AND NUTRIENTS ON FRUIT SET AND QUALITY OF BER (Ziziphus mauritiana Lamk.) UNDER BUNDELKHAND REGION OF UTTAR PRADESH. M.Sc. Thesis. 74p.