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Abstract ▼ AI-Helper

This study was carried out to investigate the effect of environments in cultivation facilities (glasshouse or polyethylene vinyl house) in terms of flower productivity of the new bred spray roses cultivars in Korea. As result of investigating the environmental condition according to cultivation fa...

This study was carried out to investigate the effect of environments in cultivation facilities (glasshouse or polyethylene vinyl house) in terms of flower productivity of the new bred spray roses cultivars in Korea. As result of investigating the environmental condition according to cultivation facilities, integrated solar radiation, maximum air temperature, relative humidity, and degree of their variation were the key factor in polyethylene vinyl house than those of glasshouse. Cut flower length of all cultivars used in this experiment were higher in glasshouse than in polyethylene vinyl house, however, stem diameter and floret number of most cultivars were increased in polyethylene vinyl house. Total differentiated shoot number and exporting marketable yield were higher in polyethylene vinyl house highly managed the total integrated solar radiation. Meanwhile, powdery mildew, downy mildew, and grey mold were easily infected in polyethylene vinyl house due to high air humidity. Therefore it was recognized as more important to suitably manage the environmental conditions such as solar radiation, air temperature and relative humidity fitted to cultivar characteristics to promote cut flower quality and exporting marketable yield above everything else.