INFLUENCE OF WEATHER PARAMETERS ON SUCROSE ACCUMULATION IN SUGARCANE (SACCHARUM OFFICINARUM L.)
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Authors
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ADILAKSHMI D
Regional Agricultural Research Station, Anakapalle-531001 Acharya N.G.Ranga Agricultural University, Guntur, Andhra Pradesh, India
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PADMAVATHI P V
Regional Agricultural Research Station, Anakapalle-531001 Acharya N.G.Ranga Agricultural University, Guntur, Andhra Pradesh, India
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RAMANA MURTHY K V
Regional Agricultural Research Station, Anakapalle-531001 Acharya N.G.Ranga Agricultural University, Guntur, Andhra Pradesh, Indi
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BHAVANI B
Regional Agricultural Research Station, Anakapalle-531001 Acharya N.G.Ranga Agricultural University, Guntur, Andhra Pradesh, India
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GOURI V
Regional Agricultural Research Station, Anakapalle-531001 Acharya N.G.Ranga Agricultural University, Guntur, Andhra Pradesh, India
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PURUSHOTAMA RAO D
Regional Agricultural Research Station, Anakapalle-531001 Acharya N.G.Ranga Agricultural University, Guntur, Andhra Pradesh, India
Keywords:
Sugarcane ripening, Sucrose, Weather impact,, Bright sunshine hours, Clone selectionAbstract
The ripening of sugarcane is largely influenced by weather factors such as sunlight,
temperature, and rainfall. This study evaluated ten sugarcane clones over two crop years (2023
24 and 2024–25) under the agro-climatic conditions of Andhra Pradesh, India, to assess the
effect of weather parameters on sucrose accumulation. The clones were observed from October
to February and data on sucrose percentage and weather elements (maximum and minimum
temperature, rainfall, and bright sunshine hours (BSSH)) were collected. Correlation analysis
revealed that BSSH had a strong positive correlation (r = 0.75) with mean sucrose, followed by
minimum temperature (r = 0.54), while rainfall showed a negative correlation (r = –0.68). These
results affirm the critical role of incident sunlight and cold weather in enhancing ripening. Clones
2022A 93, 2022A 203, and 2022A 88 demonstrated superior performance across seasons and
can be considered for further line development or trait introgression breeding.
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