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http://dx.doi.org/10.12791/KSBEC.2013.22.4.378

Effect of Soil Water Potential on the Fruit Quality and Yield in Fertigation Cultivation of Paprika in Summer  

Rhee, Han Cheol (Protected Horticulture Experiment Station, NHRI, RDA)
Choi, Gyoeng Lee (Protected Horticulture Experiment Station, NHRI, RDA)
Jeong, Jae Woan (Protected Horticulture Experiment Station, NHRI, RDA)
Cho, Myeung Hwan (Protected Horticulture Experiment Station, NHRI, RDA)
Yeo, Kyung Hwan (Protected Horticulture Experiment Station, NHRI, RDA)
Kim, Da Mi (Protected Horticulture Experiment Station, NHRI, RDA)
An, Chul Geun (Gyeongnam Agriculture Research & Extension Services)
Lee, Dong Yul (Agriculture Technology and Extension Center)
Publication Information
Journal of Bio-Environment Control / v.22, no.4, 2013 , pp. 378-384 More about this Journal
Abstract
This study was conducted to identify the effect of soil water potential on the fruit quality and yield of paprika in summer fertigation cultivation. Treatments of soil water potential during cultivation were composed of -10, -20, and -30 kPa, respectively. The plant height of early growth was increased by high soil water potential (-10 kPa) treatment all of 'Cupra' and 'E499524' (mini-paprika) varieties. Mean fruit weight was increased by -20 kPa soil water potential treatment compared with the other treatments. The fruit number per plant was not affected by soil water potential in 'Cupra' variety but was increased by -20 kPa soil water potential treatment in E499524 variety (mini-paprika). The yield of soil water potential treatment of -20 kPa was higher than those of the other treatments. The flesh thickness and sugar content were not affected by soil water potential in 'Cupra' and 'E499524' (mini-paprika) varieties. The incidence of fruit cracking was decreased with decreasing soil water potential. Mineral contents of plants such as nitrogen, potassium, calcium, magnesium etc. were not affected in soil water potential.
Keywords
flesh thickness; sugar content; mineral content; tensiometer;
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