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 |
The investigation was conducted at Instructional cum Research Farm, Department of Horticulture, MPKV., Rahuri during the year 2015 to 2020 on thirty years old, high density planted (5m x 5m) mango orchard of cv. Kesar in RBD. Three beheading levels (H1-1.0m, H2-1.5m and H3-2.0m) were selected for study. Trees were beheaded during 1st fortnight of December, 2015. The studies on growth and yield after beheading revealed significant difference in various growth parameters. Significantly maximum days for sprouting (47.50) were required in the treatment H1. The pooled data showed that significantly maximum shoot length (2.52m), shoot girth (17.66cm), plant height (4.46m) and canopy volume (76.95 m3) were recorded in trees beheaded at 2.0m height (H3). Maximum number of fruit per plant (90.64) were recorded in treatment H3 which is at par with treatment H2 (89.91). Significantly maximum fruit weigh (265.69 g) was observed in 1.0m beheading height (H1) and maximum fruit yield (22.31 kg/plant, 8.92 t/ha) was recorded in treatment H2. Prior to beheading the average fruit yield was 13.10 kg/plant (100%) which increased to 42.92 kg/plant (327.63%) after five years of beheading in treatment H2 i.e. trees beheaded at 1.5m height. Low incidence (5.13%, 7.81%) of stem borer was noticed in 1.0m (H1) and 1.5m (H2) height beheadings. Highest tree survival after beheading (92.00%), maximum net income (Rs.121386/ha), and highest B:C ratio (1.77) for five was recorded in trees beheaded at 1.5m height (H2). Hence, It is concluded that old, senile, high density (5x5m) planted mango orchard cv. Kesar should be beheaded at 1.5m height from ground level for highest a fruit yield during November December in Maharashtra.
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