TY  - CHAP
AV  - restricted
T3  - Developments in plant and soil sciences
A1  - Alagarswamy, G
A1  - Bidinger, F R
TI  - Genotypic variation in biomass production and nitrogen use efficiency in pearl millet [Pennisetum americanum (L.) Leeke]
UR  - http://oar.icrisat.org/7933/
M1  - 27
SN  - 978-94-010-8102-3
PB  - Martinus Nijhoff
CY  - Dordrecht
N1  - We wish to thank Drs. R B Clark, J W Maranville and N. Seetharama for reviewing the manuscript. The technical assistance of Mr. D S Raju is gratefully acknowledged.
ED  - Gabelman, W H
ED  - Loughman, B C
N2  - 

Twenty diverse pearl millet genotypes ranging from landraces to high yielding hybrids were studied for genotypic variation in nitrogen (N) use efficiency in high (100 kg N/ha) and low fertility (20 kg N/ha) over two years in the field.

The combined data over years and fertility levels indicated that despite taking up similar amounts of N, genotypes differed significantly in biomass production and thus in N use efficiency. A West African genotype, Souna B, had N use efficiency values 32% higher than the less efficient Indian genotype BJ 104 even though both genotypes had similar N uptake. An increase in N fertility decreased N use efficiency since the percentage increase in biomass was smaller than the percentage increase in N uptake.

KW  -         Field study
KW  - 
        Genotypic variation
KW  - 
        Nitrogen uptake
KW  - 
        Nitrogen use efficiency
KW  - 
        Pennisetum americanum
KW  - 


Y1  - 1985///
SP  - 281
T2  - Genetic Aspects of Plant Mineral Nutrition: Proceedings of the Second International Symposium on Genetic Aspects of Plant Mineral Nutrition, organized by the University of Wisconsin, Madison, June 16?20, 1985
ID  - icrisat7933
EP  - 286
ER  -