Effect of water stress on the growth and some yield parameters of Solanum lycopersicum L.
An investigation aimed at a better understanding of the normal water requirement for the optimum growth and yield of Solanum lycopersicum was carried out. Seeds of S. lycopersicum were sown in 32 plastic pots and after germination the seedlings were allowed to grow for a period of 2 weeks within which they were well watered and kept under optimum conditions of the environment. The plants were then subjected to different levels of water applications. Plants in the first group (W1) were supplied with 200 ml of water everyday; plants in the second group (W2) were supplied with 200 ml of water once every 3 days; plants in the third group (W3) were supplied with 200 ml of water once in every 5 days while the fourth group (W4) were supplied with 200 ml of water once in every 10 days. The results obtained showed that water stress caused a significant (p<0.05) reduction in some of the morphological parameters studied. Some yield parameters were unaffected by the water stress.
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Keywords: Tomato, crop, morphology, biomass, Leaf area, physiology
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