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Plants and Environment

E-ISSN: 2582-3744
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2019, Vol. 1, Issue 2

Yield response of maize, cowpea and tomato in mixed culture and pure stand


Author(s): Ezekiel Dare Olowolaju*, Gideon Olarewaju Okunlola and Adekunle Ajayi Adelusi

Affiliation: *Department of Botany, Faculty of Science, Obafemi Awolowo University, Ile-Ife, Nigeria

Abstract: The study was conducted to check the yield response of maize, tomato and cowpea in sole and mixed culture. The experiment was carried out to under a screenhouse to minimize extraneous factors such as pests and rodents using a randomized complete block design (RCBD). The treatments where T1 = sole maize (SM); T2 = Maize intercrop with cowpea (MC); T3 = Maize intercrop with tomato (MT); T4 = Sole tomato (ST); T5 = Tomato intercrop with Cowpea (TC); T6 = Sole cowpea (SC); T7 = Maize intercrop with cowpea and tomato (MCT). The seeds of maize, cowpea and tomato were sown at a depth of about 3 mm below the soil and at the rate of six seeds per pot in the monoculture, while in the pots designed for the mixed culture of maize and cowpea, maize and tomato, cowpea and tomato, three seeds of each plant were sown. Two seeds of each plant were sown in the pots with the three crops. The bowls were then supplied with 500 ml of tap water in the morning and in the evening respectively until the seedlings become fully established. At harvest the yields parameters of maize, tomato and cowpea were taken. The result showed that the yield of maize, cowpea and tomato were enhanced in the intercropped than the sole crops. The competition indices of maize, tomato and cowpea in the mixed cultured were greater than 1, while that of the sole culture equals 1 and the relative yield of mixture of maize, tomato and cowpea in all the treatments were less than 1. The study concluded that competition for shared resources in the mixed culture of tomato, maize and cowpea enhanced their yield.

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