Abstract
Five improved pigeonpea genotypes obtained from ICRISAT of short- and medium-duration and a Nsukka local long-duration genotype were assessed for their grain yield in mixtures with two maize genotypes (hybrid and open pollinated types) and as sole crops in 2006 at Nsukka, Nigeria. The 2006 pigeonpea plants were maintained as sole crops for ratoon crop assessment in 2007. The pigeonpea genotypes were combined with the two maize genotypes for mixture treatments and also maintained as sole crops in a randomized complete block design (RCBD) experiment with three replications. The results showed that maize intercropping significantly (P short-duration genotypes>long- duration in both the main and ratoon crops. Key words : Pigeonpea, genotypes, main crop, ratoon crop, grain yield.
Highlights
Pigeonpea is an erect leguminous perennial crop that is managed in agricultural systems as an annual or biennial (Snapp et al, 2003)
The pigeonpea genotypes comprised of five improved genotypes of shortand medium-duration types obtained from the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) Kano station, Nigeria and a local Nsukka pigeonpea genotype of long-duration type obtained from Nsukka market
The high plant looses in sole cropped pigeonpea plants was attributed to the high competition among its robust plants under the dry season condition thereby leading to some plant losses
Summary
Pigeonpea is an erect leguminous perennial crop that is managed in agricultural systems as an annual or biennial (Snapp et al, 2003). The grains are rich source of protein and vitamins A and C. Their introduction into feeding regime based on cereals or tubers balances the latter and combats protein deficiency linked malnutrition, which is frequent in the developing countries, especially in West Africa (Borget, 1992). Great diversity in growth and development exist among pigeonpea genotypes and seed yields obtained in traditional farming systems are reportedly low (Whiteman et al, 1985). The pigeonpea genotypes are generally grouped into four categories based on growth/maturity duration : extra short-duration(
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