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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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NAAS Score: *5.38 (2017)
[Effective from January 1, 2017]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here
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Int.J.Curr.Microbiol.App.Sci.2018.7(11): 1647-1652
DOI: https://doi.org/10.20546/ijcmas.2018.711.187


Yield and Juice Quality of Sugarcane as Influenced by Ethephon and Gibberellic Acid
Subhashisa Praharaj1*, Dheer Singh1 and S.K. Guru2
1Department of Agronomy
2Department of Plant Physiology, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand - 263 145, India
*Corresponding author
Abstract:

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.


Keywords: Sugarcane, Ethephon, Gibberellic acid, Yield, Juice quality
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How to cite this article:

Subhashisa Praharaj, Dheer Singh and Guru, S.K. 2018. Yield and Juice Quality of Sugarcane As Influenced By Ethephon and Gibberellic Acid.Int.J.Curr.Microbiol.App.Sci. 7(11): 1647-1652. doi: https://doi.org/10.20546/ijcmas.2018.711.187