Deciphering the Impact of Water-stress on Plant Growth and Yield Attributes in Tomato Genotypes
2021
Singh, Reeva | Vaishali, | Sengar, Rakesh S. | Mukesh Kumar, | Singh, Bijendra | Chand, Pooran
The adverse effect of water-stress on growth and yield parameters of tomato (Solanum lycopersicum) genotypes viz., plant height, days to 50% flowering, number of branches per plant, number of flower per truss, number of flower truss per plant and fruit setting percentage was investigated under field conditions in rainout shelter. The drought condition was imposed 25 days after transplanting by withhold water supply. Experimental trial was carried out with nine genotypes adopting complete randomized design (CRD) with three replications and two treatments viz., well-watered and withhold water supply. The water-stress caused reduction in all plant growth and yield parameters. The genotypes Arka Vikas showed significantly less reduction in plant height, number of flower per truss and number of flower truss per plant, while EC179083 showed minimum reduction in days to 50% flowering, number of branches per plant and fruit setting percentage during drought so both genotypes were considered as drought tolerant. Genotypes EC160885 and EC 249508 represented the maximum reduction in all morphological parameters among all genotypes, hence considered as drought susceptible. • Effect of water stress on growth and yield attributes of tomato genotypes • Identifying best genotype among unexplored and explored tomato genotypes under water stress conditions.
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