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KMID : 0903619820230040253
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Journal of the Korean Society for Horticultural Science
1982 Volume.23 No. 4 p.253 ~ p.260
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Effects of Shade on the Flowering , Yield , and Ingredient Content of Fruits in Different Cultivars of Red Pepper , Capsicum annuum L.
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Abstract
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This experiment was executed to clarify the effects of shading on the flower setting, fruit yield and ingredient content of hot pepper. In 1981. Capsicum annum four cvs. Yeongyang, Guryae (Korean natives), Bulam(F₁ hybrid, green hot pepper for house culture), and Saerona(F₁ hybrid for dry hot pepper) were grown at the experimental Field of Yeungnam University at the four shading rates of 0%, 35%, 55% and 70%.
1. The number of days from sowing to the first flowering increased as shading rate increased in all cultivars and the shading effect on the number of days to Hovering was greater in F₁ hybrid compared with the Korean native cultivars.
2. Falling rate of flowers in the Ist, 2nd, and 3rd nodes increased as shading rate increased in all cultivars and the shading effect on the falling rate of flowers was greater in F₁ hybrid compared with Korean native cultivars.
3. The number of fruits per plant decreased as shading rate increased in all cultivars.
4. Average fruit weight of F₁ hybrids increased as shading rate increased due to a decrease in the number of fruits per plant, but shading rate did not affect on fruit weight of Korean native cultivars.
5. Shading rate did not affect on the water content of ripened fruits, but water content of F1 hybrid was higher than that of Korean native cultivars.
6. Yield of red fruits decreased significantly as shading rate increased in all cultivars and yield of F₁ hybrid was much greater than that of Korean native cultivars at any shading rates.
7. No significant difference was found in the content of total soluble sugars and total soluble amino acids among the shading rates.
8. Capsaicin content of red fruits was nut affected by the shading rates, and capsaicin content of Korean native cultivars was significantly higher than that of F₁ hybrids.
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