고온기 폐광 자연냉풍 처리가 호접란의 화아분화와 개화에 미치는 영향 (Effect of Treatment of Natural Cool Air from an Abandoned Mine on Flower Bud Formationand Flowering of Doritaenopsis ‘Happy Valentine’)

서지정보

· 발행기관 : 한국화훼학회
· 수록지 정보 : 화훼연구 / 16권 / 1호 / 44 ~ 48페이지
· 저자명 : 채수천

초록

호접란촉성재배를위한하계고온기폐광자연냉풍처리가개화에미치는영향을밝히고자본실험을실시하여다음과같은결과를얻었다. 보령지방폐광의자연냉풍온도는 12~14˚C이였으며이온도를주온22˚C, 야온 20˚C로조절하여 6월부터 8월까지처리하였다. 이온도는호접란화성유도기본온도범위이었으며, 이때외부평균기온은 28.4~32.8˚C로나타났다. 화경발생은 20일저온경과에서 3% 발생되었으며, 45일경과에서 65% 이상발생되었고, 90 일경과에서100% 발생하였다. 화경장은 30일경과에서 48.7cm 로짧았으며, 60일경과에서 62.4cm 로길어져처리기간이길수록화경장이신장되었다. 화수장, 소화수도같은경향이었고, 화경마디수는 6~7개로저온경과일수와는큰영향이없는것으로나타났다. 개화는 45일경과에서 9월 15일에가장빨리개화되었고저온경과일수가길수록늦어지는경향을나타내었다. 고온기폐광자연냉풍처리는무처리에비하여화경발생시기는3개월, 개화기는 4개월정도촉진되었다.

영어초록

his experiment was conducted to examine the effect of injecting cool air from an abandoned mine during the summer time for the growth of Doritaenopsis. The air temperature of abandoned mine in Boryeong was 12~14˚C. The day and night temperatures were set at 22˚C and 20˚C, respectively, from June to August in the experimental plastic house. This temperature range was within the suitable range for floral induction in Doritaenopsis. Average outside temperature was 28.4~32.8˚C. The 3% of the crop developed flower stalk in 20 days after the treatment initiation, 65% in 45 days, and 100% in 90 days. The flower stalk length was short (48.7cm) in 30 days and long (62.4cm) in 60 days of treatment. The flower stalk length became longer as time passed. Flower spike and number of florets per stalk displayed the same tendency. Number of nodes was 6~7 and was not affected by the period. The first blooming appeared on 15th of Sep­tember at 45 days and blooming tended to appear late as the period is lengthened. When the cool air from an abandoned mine was injected, the crop formed flower stalk three months earlier and bloomed four months earlier than the untreated control.

참고자료

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