Section 71
Chapter 70,453

Effect of Cultivation Type in Different Greenhouses on Growth and Yield of Green Pepper (Capsicum annuum)

Chun,Hee; 김경제; 우영회

Protected Horticulture and Plant Factory 10(4): 225-231


ISSN/ISBN: 2288-0992
Accession: 070452587

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This study was conducted to examine effect of different environment conditions in glass, PC, PETand PE greenhouses controlled by different environment control systems on the growth of green pep-per. Light transmittance of 64.7% in the glass greenhouse was the highest among different green-houses. Air temperature was the highest in the glass greenhouse when ventilators were closed, andwas the highest in the PE greenhouse when ventilators were open. Air relative humidity was the high-est in the PE greenhouse during 24 hours. The amount of solar energy accumulated in soil was thegreatest in the glass greenhouse and this energy released during the night escaped through coveringmaterials. Latent heat and solar energy affected air temperature increase in greenhouses. The air tem-perature of glass greenhouse was 27.5oC at 11 O'clock, which was the highest air temperature amongthe all greenhouse types. Clear differences were observed in leaf area and plant height at 30 days aftertransplanting. Days to first flowering was the shortest in the glass greenhouse with 72.7 days. Flowershedding was the greatest in the PE greenhouse with 12.6%. Days to fruit harvesting was the shortestin the glass greenhouse with 14.3 days. Fruit quality, such as fruit length, fruit diameter, fruit fleshthickness, and vitamin C content, was the best in the glass greenhouse. Percent marketable fruits wasthe highest with 95.3% when the pepper was grown hydroponically in the glass greenhouse.

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