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Growth and Productivity of Pigeonpea (Cajanus cajan) Genotypes for use in Alley Cropping and their Interactions with the Environment

Published online by Cambridge University Press:  03 October 2008

A. Böhringer
Affiliation:
Department of Agronomy and Soil Science, University of Hawaii, 1910 East West Road, Honolulu, HI 96822, USA
M. Tamò
Affiliation:
International Institute of Tropical Agriculture, Plant Health Management Division, BP 08-932, Cotonou, Republic of, Benin
H. M. Dreyer
Affiliation:
International Institute of Tropical Agriculture, Plant Health Management Division, BP 08-932, Cotonou, Republic of, Benin

Summary

Twenty-one genotypes of pigeonpea were evaluated for their alley cropping potential in two environments differing in soils and climate on the island of Oahu/Hawaii. All entries were planted in hedgerows in August 1988 and were cut 1 m above ground level 229, 290 and 342 days after sowing. Dry matter yields for seven selected genotypes from the three cuttings combined ranged from 691 to 4083 g m−2, with significant differences between genotypes and significant genotype × environment interactions. Genotypes rarely combined more than two desirable alley cropping characters, suggesting a distinct role for selected genotypes in different alley cropping environments. None of the effects influencing growth and yield were constant over levels of the other factors studied, indicating a need for multi-locational testing and standardized sampling intervals in future genotype evaluations with perennial pigeonpea.

Evaluación de genotipos de Cajanus cajan para cultivo en hileras

Type
Research Article
Copyright
Copyright © Cambridge University Press 1994

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