PERFORMANCE OF NEW MID LATE SUGARCANE GENOTYPES UNDER DIFFERENT NITROGEN LEVELS IN NORTH COASTAL ZONE OF ANDHRA PRADESH
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Authors
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GOURI V
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
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RAMANA MURTHY K V
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
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KUMARI M B G S
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
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RAMALAKSHMI CH S
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
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ADILAKSHMI D
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
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PADMAVATHI P V
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
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MUKUNDA RAO CH
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
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ALIVENI A
Regional Agricultural Research Station, Anakapalle – 531 001 Acharya N.G Ranga Agriculture University, Lam, Guntur, Andhra Pradesh, India
Keywords:
FYM, Nitrogen levels, Sugarcane genotypes, Sunnhemp incorporationAbstract
A field experiment was conducted at Regional Agricultural Research Station farm, Anakapalle
with an objective to determine ideal amount of nitrogen requirement for mid-late Sugarcane
genotypes during the year 2024-25. Three new sugarcane genotypes viz.,2015A230 (CoA20325),
2015A233 (CoA20326),2015A93(CoA ) along with check variety 2009A252 (CoA14323) were
tested at four nitrogen levels viz., FYM @ 25 t ha-1 + 100% recommended dose of Nitrogen (F1),
FYM @ 25 t ha-1+ 125% recommended dose of Nitrogen (F2), FYM @ 25 t ha-1 + 150%
recommended dose of Nitrogen (F3) and application of 100% recommended dose of Nitrogen +
In situ incorporation of sunhemp sown as intercrop (F4). The recommended dose was 168 kg N
ha-1. The trial was conducted in Factorial RBD with three replications. The findings of the study
showed that, the genotypes 2015A233 (85.6 t ha-1) and 2015A230 (82.1 t ha-1) recorded
considerably greater cane yield in comparison to the other genotype 2015A93(77.7 t ha-1) and
check variety 2009A252 (79.2 t ha-1). Among the four nitrogen levels new mid late sugarcane
genotypes produced superior cane yield with application of FYM @ 25 t ha-1+150% RDN (84.3 t
ha-1) and 100% RDN + Sunhemp grown as intercrop and in situ incorporation (83.4 t ha-1).
Application of FYM @ 25 t ha-1+100% Recommended dose of Nitrogen recorded significantly
lower cane yield of 76.9 t ha-1. There was no difference in the juice quality parameters for different
treatments, however 2015A233 recorded high sucrose percent of 18.8. Among nitrogen levels,
application of 100% RDN + Sunhemp grown as intercrop and in situ incorporation recorded high
sucrose percent of 18.1.
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