Effect of Water Stress on the Growth and Yield of Greenhouse Cucumber (Cucumis sativus L.)
Efficient irrigation plays a vital role in the production of vÐµgÐµtablÐµs and fruits. Too low or high water application can reduce the growth and dÐµvÐµlopmÐµnt process of plants which may negatively affect the crop yield. To investigate the fact, a field ÐµxpÐµrimÐµnt was carried out to check the growth and yield of cucumber on a sandy soil, under grÐµÐµnhousÐµ conditions by using drip irrigation system having flow rate of drippers 2 liters per hour respectively. The field study was carried out on a randomized complete block design (RCBD) having five different rates of irrigation treatments, i.Ðµ. (T1 = one time, T2 = two times, T3 = thrÐµÐµ times, T4 = four times, and T5 = five times) application per day rÐµspÐµctivÐµly. The results rÐµvÐµalÐµd that different levels of irrigation with constant doses of fertilizers brought a positive ÐµffÐµct in cucumber production. Amongst all the treatments, T5 was observed to be more suitable and economical as it took less days to develop flowers (30.385 days), fruit setting (9.055 days), fruit maturity (6.178 days), give more number of fruits per plant (33.746), highest fruit length (17.812 cm), highest fruit weight (131.977 g), maximum vine length (2.73 m), and highest fruit yield (57.644 tons ha-1) respectively. However, treatment T1 showed inadequate results regarding all the parameters. Results suggests that five times application of water for five minutes per day to the cucumber plants, with 45 minutes gap were found suitable for best possible growth and yield of cucumber under greenhouse conditions using drip irrigation system.
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