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 |
A field experiment was conducted during spring 2015-2016 at Govind Ballabh Pant University of Agriculture and Technology, Pantnagar (U.S. Nagar), Uttarakhand to see the effect of sugarcane sett soaking with ethephon and foliar application of gibberellic acid. Soil of the experiment plot was silty clay loam having high organic carbon (1.04%), high available phosphorus (32.5 kg/ha), medium in available potassium (256.2 kg/ha). pH of the soil was 7.2. Ten treatments i.e. conventional planting (T1), overnight soaking of setts in water (T2), overnight soaking of setts in 50 ppm ethephon (T3), overnight soaking of setts in 100 ppm ethephon (T4), T1 + foliar application of GA3 @ 35 ppm at 90, 120 and 150 DAP (T5), T2 + foliar application of GA3 @ 35 ppm at 90, 120 and 150 DAP (T6), T3 + foliar application of GA3 @ 35 ppm at 90, 120 and 150 DAP (T7), T4 + foliar application of GA3 @ 35 ppm at 90, 120 and 150 DAP (T8), soaking of setts for six hours in 50 ppm ethephon (T9) and six hour soaking of setts in 100 ppm ethephon (T10) were laid down in a randomized block design. All the treatments were replicated 3 times. It was observed that sett soaking with 100 ppm ethephon followed by foliar application of Gibberellic acid resulted highest yield. In addition to yield, the juice quality was also improved in terms of sucrose content (16.94%), available sugar percentage (11.60%) and commercial cane sugar yield (76.27 t/ha) in this treatment.
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