Agricultural Science Digest

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Agricultural Science Digest, volume 20 issue 4 (december 2000) : 248-250


Ramesh Thatikunta, M. Yakadriand L. M. Rao
1Acharya N.G. Ranga Agricultural University College of Agriculture, Rajendranagar-500 030, India
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Cite article:- Thatikunta Ramesh, Rao M. L. Yakadriand M. (2023). CGR AND NAR IN PRE-RELEASE MAIZE CULTIVARS. Agricultural Science Digest. 20(4): 248-250. doi: .
Crop growth rates and net assimilation rates of sixteen prerelease maize genotypes
were analyzed. MRC 5, 6 and 8 showed steady crop growth rate (CGR) values upto 60-75
DAS, while MRC 2, 3, 6 and 8 recorded steady and high net assimilation rates between 3090
DAS. The genotypes MRC 3 and 8 with steady net assimilation rates (NAR) and steady
CGR re'corded better HI and seed yields.
    1. Duncan, w.G. (1979) In: Crop physiology (Evans, L. T. Ed.). B1ackie and Sons Publishers Pvt. Ltd, Bombaypp 23-50.
    2. Kumar, S. N. and Singh, C. P. (1999) In(1I,;lI7 J. Plant Physiol. 4: 90-94.
    3. Shiv Raj, A. (1987) An introduction to physiology of cereal crops. Oxford and IBH, New Delhi pp 97-127.
    4. Watson, D. J. (1942)" AdvAgron. 4: 101-144.

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