OAR@ICRISATMaize and Pigeonpea Intercropping Systems in Mpumalanga, South AfricaCMathewsauthorR BJonesauthorK BSaxenaauthorA study was conducted in South Africa during the 1998-99 season to evaluate the performance of pigeon pea cultivars, with varying maturity periods, with maize in 2 intercropping systems (alley planting and same row planting systems). Short-duration (SD) maize composite EWF-2 was intercropped with SD pigeonpea cultivars ICPL 87091 and ICPL 87105 in one trial, and with medium-duration (MD) and long-duration (LD) cultivars ICP 6927 and ICEAP 00040, respectively, in a second trial. Yields of both crops in intercropping systems were generally lower than in monocropping systems. The yield reduction in intercropping systems for LD and MD pigeon pea cultivars was in the range 7.4-31.0%, while that of maize ranged from 8.7 to 38.6%. In the SD trial, yield reduction was in the range 36.8-66.3% in pigeonpea and 12.9-41.9% in maize. Significant yield reduction was observed under alley intercropping for LD and MD cultivars. Average land equivalent ratio was the same (1.24) in both systems in the SD trial, while LER in the LD-MD trial was 1.37 under alley intercropping and 1.77 under same row intercropping.Pigeonpea2001International Crops Research Institute for the Semi-Arid Tropics, Andhra Pradesh, IndiaArticle

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