National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Orchard experiments were carried out in JNKVV, Zonal Agricultural Research Station, Mohagaon Farm at Sausar Block of Chhindwara District of Madhya Pradesh with the objective of Chemical Control of pre harvest fruit drop in Nagpur Mandarin (Citrus reticulala) on reducing fruit drop. The experiment was laid out in RBD in Nine treatments and two factors one is at pea stage second one is Gravel stage with tree replication. Season for experiment was selected Zaid (Ambia bahar) with Different concentration levels of Treatments in the 2013/2014 season. The application of Growth regulator in the orange fruit orchard can be helpful in controlling pre-harvest fruit drop, hence increasing yield and giving good returns to the growers. Application of growth regulator NAA 20 ppm at pea and gravel stage increased the fruit retention to 45.00 % as compared to 24.00 % in control. Due to Urea 2.00 % spray 100 fruit weight was increased from 15.33 Kg to 16.70 Kg. Plant Growth Regulators (PGR's) are used on citrus worldwide and active research programs are in progress in most citrus-growing countries. Principal uses for PGR's on citrus are for control of fruit maturity, reduction of fruit drop, prevention of rootstock sprouting, fruit thinning, preservation of fresh fruit peel quality, and control of the abscission process for harvesting.
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