The effect of irrigation water amount on the yield of selected sweet pepper cultivars
2001
Vargova, E. (Slovenska Polnohospodarska Univ., Nitra (Slovak Republic))
The experiment was established in a greenhouse using 3 sweet pepper (Capsicum) cultivars (Anthea, Blondy F1 and Eva). Two different rates of irrigation water were applied, their ratio being 1 : 1.5. To produce 1 kg of Anthea capsicum fruits, the same water volume (110 L) was needed for both irrigation rates. The difference in average yield between lower rate and higher rate of irrigation water was statistically significant only in this cultivar. Fram the investigated cultivars, the cultivar Blondy F1 plants showed the greatest irrigation water demand in order to produce 1 kg of fruits, namely 103 L for lower rate and 123 L for higher one. The most effective use of irrigation water in the yield production was found for the cultivar Eva. Its plants were evaluated as relatively drought-resistant. An increase in the irrigation rate caused the yield of fruits to rise by about 1.62 kg/square m, the water demand going up from initial 88 L to 95 L. An optimum irrigation rate at an interval of 370 to 480 mm per square m is recommended for the cultivar Eva so that the irrigation rate can be effectively utilized for the production of pepper fruits
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