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Food-fodder traits in groundnut

v1i1food.pdf306.68 KB
Bl├╝mmel, M.; Nigam, S.N. ; Upadhyaya, H.D.,( Hari D. Upadhyaya ) ; Ravi, D. ; Reddy, C.R.,( Ch. Ramakrishna Reddy )
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Journal of SAT Agricultural Research
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Some 860 groundnut genotypes were grown during the post-rainy season of 2001/02, at Patancheru, Andhra Pradesh, India, using established ICRISAT protocols. Twelve cultivars (controls) were also planted in the post-rainy season of 2002/03 for the initial assessment of year effects. Haulms were analysed by a combination of conventional laboratory techniques and near infrared spectroscopy (NIRS). Data were recorded for haulm and pod yields as well as haulm nitrogen content as well as in vitro organic matter digestibility (OMD) and metabolizable energy (ME) content. Highly significant differences among genotypes were found for the all traits studied. Haulm fodder quality traits and pod and haulm yields were not inversely related. Even though highly significant, the relationships were generally weak. The strongest relationship was observed between pod and haulm yield, but even in this relationship most of the variation (79%) remained unaccounted for. Overall, high pod yield and superior haulm quality and quantity are compatible traits. NORS was much quicker and cheaper than conventional analysis for the analysis of fodder quality.

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