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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(9): 1013-1019
DOI: https://doi.org/10.20546/ijcmas.2018.709.120


Impact of Exogenously Applied Plant Growth Regulators on Yield Attributes and Yield of Sugarcane (Saccharum spp. Hybrid Complex)
Bharati Upadhaya1*, Navnit Kumar2, Randhir Kumar1 and Kaushal Kishor1
1Department of Agronomy
2Department of Agronomy, Sugarcane Research Institute, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, India
*Corresponding author
Abstract:

A field experiment was conducted during the spring season of 2017 at Research farm of Sugarcane Research Institute, Dr. Rajendra Prasad Central Agricultural University, Pusa (Samastipur), Bihar to study the “Impact of exogenously applied plant growth regulators on yield attributes and yield of sugarcane (Saccharum spp. hybrid complex)”. The experiment was laid out in randomized block design and replicated thrice. The treatment comprised of ten treatments viz., conventional planting/farmers practice (T1), planting of setts after overnight soaking in water (T2), planting of setts after overnight soaking in cattle dung, cattle urine and water slurry in 1: 2: 5 ratios (T3), planting of setts after overnight soaking in 50 ppm ethrel solution (T4), planting of setts after overnight soaking in 100 ppm ethrel solution (T5), T1 + GA3 spray @ 35 ppm at 90, 120 and 150 DAP (T6), T2 + GA3 spray @ 35 ppm at 90, 120 and 150 DAP (T7), T3 + GA3 spray @ 35 ppm at 90, 120 and 150 DAP (T8), T4 + GA3 spray @ 35 ppm at 90, 120 and 150 DAP (T9) and T5 + GA3 spray @ 35 ppm at 90, 120 and 150 DAP (T10). Planting of setts after overnight soaking in 50 ppm ethrel solution followed by foliar spray of GA3 @ 35 ppm at 90, 120 and 150 DAP showed significantly higher cane and sugar yield as compared to rest of the treatments which was due to improvement in yield attributes like number of tillers, number of millable canes, internodal length, number of nodes/cane, cane diameter, single cane weight and cane: top ratio.


Keywords: Sugarcane, Ethrel, Gibberellic acid, Yield attributes, Yield
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How to cite this article:

Bharati Upadhaya, Navnit Kumar, Randhir Kumar and Kaushal Kishor. 2018. Impact of Exogenously Applied Plant Growth Regulators on Yield Attributes and Yield of Sugarcane (Saccharum spp. Hybrid Complex).Int.J.Curr.Microbiol.App.Sci. 7(9): 1013-1019. doi: https://doi.org/10.20546/ijcmas.2018.709.120