Evaluation of Pre Released Sugarcane Clones under Late Planted Rainfed Conditions for Higher Cane Yield and Quality

Author: Ch. Mukunda Rao, P.S. Rao, M. Charumathi, M. Bharathalakshmi and P. Jamuna

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Abstract

Late planting of sugarcane (May-June) purely under rainfed conditions with the onset of monsoon is common in North Coastal Zone of Andhra Pradesh. Cane yields obtained under rainfed situations range from 25-30 t/ha as the crop suffer from moisture stress both at formative and maturity phases. Identification of clones with high cane yield, juice sucrose and tolerance to moisture stress is the priority area in sugarcane research. Earlier field experiments conducted at RARS, Anakaplle indicated that Co 6907, 84A 125, 81A 99, 87A 298, Co 8201, Co 7219 and 97A 85 performed well under rained situations. Due to paucity of time and susceptibility to emerging pests & diseases, only 87A 298 was remained as a cosmopolitan variety. There is a dire need to identify new potential sugarcane clone for rainfed situation. Under this context this trial was conducted for evaluation of pre-release clones purely under rainfed conditions for two years (2019 & 2020) resulted in identification of superior clon

Keywords

Rainfed sugarcane, moisture stress, late planting, SPAD/SCMR values, leaf proline.

Conclusion

Based on observations made in present study it is concluded that among sugarcane clones studied 2011A175 (74.6 t/ha), 2011A260 (74.6 t/ha), 2001A70 (71.8 t/ha), 2007A 81 (66.2 t/ha), 2003A 255 (65.0 t/ha), 2007A 241 (64.2 t/ha), 2009A107 (63.7 t/ha) 2006A223 (62.6 t/ha) recorded higher cane yield & juice sucrose percent on par to popular standards 87A298 (66.2 t/ha) and Co6907 (62.7 t/ha) in terms of cane yield and on par in terms of quality 19.9% and 20.0% respectively. These clones are to be tested in farmers’ fields for observing the ground level performance with the feedback of the sugarcane growers prior to release for general cultivation.

References

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How to cite this article

Rao, Ch. Mukunda, Rao, P.S., Charumathi, M., Bharathalakshmi, M. and Jamuna, P. (2021). Evaluation of Pre Released Sugarcane Clones under Late Planted Rainfed Conditions for Higher Cane Yield and Quality. Biological Forum – An International Journal, 13