EFFECT OF FOLIAR APPLICATION OF GROWTH SUBSTANCES ON YIELD AND QUALITY OF GUAVA FRUITS

U.A. RAUT¹*, Y.S. BOGANE², A.D. INGOLE³, Y.D. PAWAR^4
1Department of Horticulture, Dr Panjabrao Deshmukh Krishi Vidyapeeth, Akola, 444104, Maharashtra, India
²Department of Horticulture, Dr Panjabrao Deshmukh Krishi Vidyapeeth, Akola, 444104, Maharashtra, India
³Department of Horticulture, Dr Panjabrao Deshmukh Krishi Vidyapeeth, Akola, 444104, Maharashtra, India
⁴Department of Horticulture, Dr Panjabrao Deshmukh Krishi Vidyapeeth, Akola, 444104, Maharashtra, India
* Corresponding Author : ujwalraut1977@gmail.com

Received : 03-06-2022     Accepted : 27-06-2022     Published : 30-06-2022
Volume : 14     Issue : 6       Pages : 11397 - 11401
Int J Agr Sci 14.6 (2022):11397-11401

Keywords : Fruit qualitative parameters, Post harvest parameters, Foliar Application
Academic Editor : Mohammed Abate, Mr Himadri Shekhar Datta
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Department of Horticulture, Dr Panjabrao Deshmukh Krishi Vidyapeeth, Akola, 444104, Maharashtra, India
Author Contribution : All authors equally contributed

An experiment was carried out during 2018 at, Main Garden farm and Post-Harvest Technology and Analytical Laboratory, Department of Horticulture, Dr P.D.K.V. Akola. The experiment was laid out in Randomized Block Design with nine treatments and four replications. The different foliar application of growth substances treatments viz., T1 (1% Potassium Nitrate), T2 (2% Potassium Nitrate), T3 (1% Calcium Nitrate), T4 (2% Calcium Nitrate), T5 (GA3 50 ppm), T6 (GA3 100 ppm 2,), T7 (NAA 50 ppm), T8 (NAA 100 ppm), T9 (Control) were used in research programme. The foliar application of growth substances during rainy crop of guava was done in the month of August. Observations on fruit, qualitative and post-harvest parameters were recorded periodically. Results obtained in the present investigation revealed that, the number of fruits per plant (273.50) and fruit yield (32.34 kg/plant) was maximum in treatment in T8 (NAA 100 ppm). The fruit weight (142.25 gm), fruit length (7.16 cm), fruit diameter (7.19 cm) and specific gravity (1.17 g/cc) was maximum in the treatment T6 (GA3 100 ppm). Fruit qualitative parameters viz., maximum total soluble solids (°Brix), acidity (%), ascorbic acid (mg/100g pulp), reducing sugars (%), non-sugars (%) and total sugars (%) content was found in foliar application of 2% Calcium Nitrate during 0, 2nd, 4th, 6th, 8th and 10th at ambient storage condition. Fruits post-harvest parameters viz., significantly minimum physiological loss in weight (%), and fruit decay (%), colour changes (days) and highest shelf life (days) was found in foliar application of 2% Calcium Nitrate during 0, 2nd, 4th, 6th, 8th and 10th at ambient storage condition

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