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정우윤,장영득,안형근,최상태,박인환 慶北大學校 農業科學技術硏究所 2003 慶北大農學誌 Vol.21 No.-
This study aimed to identify leaf sheath function through the investigation of effect of removal times and removed number of leaf sheath on growth and flowering in gladiolus. The leaf sheath influenced on the growth and flowering regardless of light condition at early growth stages. When total leaf sheath were removed in early growth stages, flower stalk length and spike length remarkably decreased. Whereas days of flowering were little different by leaf sheath removal. Also when removed numbers of leaf sheath were 1, 2 and 3, the growth and flowering were little different compared to control. But when removed numbers of leaf sheath were 4, flower stalk length decreased above 25㎝ compared to others treatment, spike length and number of flower decreased and stem diameter became thick abnormally.
나리속(屬) 식물의 촉성재배(促成栽培)에 있어 차광정도(遮光程度)와 기간(期間)이 생육(生育)에 미치는 영향
정우윤,최상태,Jung, Woo-Yoon,Choi, Sang-Tai 경북대학교 농업과학기술연구소 1999 慶北大農學誌 Vol.17 No.-
나리속(屬) 식물의 촉성재배에 있어 계통 및 품종별 차광정도와 기간에 따른 생육반응을 조사하였다. 초장은 초기차광에 의해 차광율이 높아짐에 따라 'Gelria'와 ' Casablanca'는 초장이 길어진 반면 'Jolanda'와 'Land'는 오히려 짧아지는 경향이었다. 또한 연속차광에 의해 'Gelria'를 제외한 3품종은 차광율이 높아짐에 따라 초장이 길어졌으나 'Gelria'의 초장은 대조구에 비해 차광구에서 초장이 짧았다. 개화는 생육초기에 차광함으로써 'Gelria'의 경우 차광율이 높아질수록 blasting의 발생이 많아지고 개화소요일수(開花所要日數)가 단축되었으나 암처리에 의해 다시 개화소요일수(開花所要日數)가 길어졌다. 다른 품종들은 큰 차이를 보이지 않았으나 암처리구에서 'Jolanda'의 경우 blasting이 15.7% 발생하였고 'Dream land'와 'Casablanca'는 착화수(着花數)가 감소되었다. 연속 차광함으로써 'Gelria'의 경우 차광정도에 관계없이 차광에 의해 화아(花芽)가 형성되지 않았고 'Jolanda'는 75%차광구, 'Dream Land'는 50%차광구부터 각각 화수(花數)가 줄어들었으며 꽃크기도 작아졌고 'Dream Land'는 75% 차광하에서 화아(花芽)가 형성되지 않았다. 그러나 'Casablanca'는 차광구에서 단지 개화소요일수(開花所要日數)만 길어졌다. 신구(新球)의 비대(肥大)는 생육초기 차광구에서 단지 'Casablanca' 품종만 차광에 의해 신구(新球)의 비대(肥大)가 저조하였고 다른 품종들은 차이가 없었다. 그러나 연속차광에 의해서는 공시품종 모두 차광에 의해 신구(新球)의 비대(肥大)가 저조했다. The study aimed to identify effect of shading rate and duration on the growth and flowering of Lilium species in faring culture. Plant height of 'Gelria' and 'Casablanca' increased by higher shading at early growth stage, whereas that of 'Jolanda' and 'Dream Land' decreased. Also, plant height of 3 cultivars except 'Gelria' were longer by higher shading at whole growth stage, that of 'Gelria' was shorter as compared to in untreated plants. In cultivar 'Gelria', blasting increased and days to flowering shorted in higher shading only except 100% shading treatment at early growth stage. In 100% shading treatment, Blasting of 'Jolanda' was occurred 15.7% and the number of flower buds of 'Dream Land' and 'Casablanca' were reduced. Flower buds of 'Gelria' were not induceded in continued shading condition regardless of shading degree, the number of flower buds and flower size of 'Jolanda' and 'Dream Land' was reduced by 75% and 50% shading, respectively and in 'Casablanca', days to flowering was longer by shading at whole growth stage. Growth of daughter bulbs in 'Gelria', 'Jolanda' and 'Dream Land' was not influenced by shading at early growth stage but those of 'Casablanca' was inactive. Whereas that of 4 cultivars were inactive in continused shading condition.
나리屬 식물의 促成栽培時 식재깊이별 엽초의 제거시기와 부위가 생육에 미치는 영향
정우윤,최상태 경북대학교 농업과학기술연구소 1999 慶北大農學誌 Vol.17 No.-
This study was conducted to investigation of effect of removal times and parts of leaf sheath by planting deph(0.6cm) on growth and flowering in forcing of Lilium species. Plant height is reduced by leaf sheath removal at early growth stages when bulbs were planted 6 cm of depth in 'Gelria and ocm in both of 'Jolanda' and Dream Land', respectively, but stem diameter and flower size were little different. Days to flowering of 3 cultivar except 'Gelria' were shorten in 6cm plant depth.
나리屬 식물의 촉성 재배에 있어 엽초 제거가 생육에 미치는 영향
정우윤,최상태,박인환,김성태,박현근 慶北大學校 農業科學技術硏究所 2003 慶北大農學誌 Vol.21 No.-
The study aimed to identify leaf sheath through the investigation a characteristic of leaf by planting depth and leaf sheath function through the investigation of effect of leaf sheath removals on growth and flowering in forcing of Lilium cultivars. The number of leaf sheath of 'Jolanda', 'Dream Land', 'Casablanca' were 6, 5, 11 in 0㎝ planting depth and 6, 5, 14 in 6㎝ planting depth. The number of leaf sheath in 'Jolanda' and 'Dream Land' were little different in according to planting depth. The other hand, the number of leaf sheath in 'Casablanca' were increased 3 when it were planted in 6㎝ planting depth. As leaf sheath were removed, plant height and stem root growth were decreased in 'Le Reve' and 'Casablanca'. Whereas the growth of basal root and flower number varied among of Lillium and stem diameter, the days of flowering and flower size were little different.
파의 粗抽出物質이 菊花科 植物의 種子發芽 및 幼苗生育에 미치는 影響
鄭右允,辛學基,崔尙台 慶北大學校農業科學技術硏究所 1991 慶北大農學誌 Vol.9 No.-
파의 粗抽出物質이 菊花科 植物의 種子發芽 및 幼苗生育에 미치는 影響을 調査한 結果는 다음과 같다. 파의 모든 부위의 粗抽出物은 菊花科 植物의 種子發芽 및 幼苗生育을 抑制 혹은 枯死시켰는데 그 중 葉身部 粗抽出物이 他 部位에 比해 抑制效果가 현저하게 컸다. 파의 80% 메칠알콜 및 蒸溜水 粗抽出物은 菊花科 植物의 種子發芽를 抑制하였는데 특히, 蒸溜水 粗抽出物이 80% 메칠알콜 粗抽出物보다 抑制效果가 컸다. 파 收穫後 土壤內에 있는 殘留根部는 後作으로 한 菊花科 植物의 幼苗生育을 抑制하였다. 菊花科 植物의 種子發芽를 抑制하는 파의 粗抽出物質은 光과 熱에 安定하고 그 중에는 揮發性物質도 包含도어 있음이 밝혀졌다. This study was attempted to know the effect of crude extracts of Allium fistulosum on the seed germination and seedling growth in compositae. The restule is as follows; The seed germination and seedling grwoth in the tested compositae were inhibited by the crude extracts from leaf blade, leaf sheath and root of Allium fistulosum. Generally the crude extracts from leaf blade part showed the highest inhibitory effect in the tested parts. The seed germination was inhibited by the crude extracts of Allium fistulosum extracted with 80% methyl alcohol and distilled water. But the crude extracts which had extracted with distilled water indicated more inhibitory effect than that of 80% methyl alcohol. Teh seedling growth was depressed by the root residues of Allium fistulosum in the soil after harvesting. The crude extracts had the character of stability in light and heat. Some out of the inhibitors contained the volatile substances.
파의 조추출물질(組抽出物質)이 국화과(菊花科) 식물(植物)의 종자발아(種子發芽) 및 유묘생육(幼苗生育)에 미치는 영향(影響)
최상태,신학기,정우윤 경북대학교 농업과학기술연구소 1991 慶北大農學誌 Vol.9 No.-
파의 조추출물질(組抽出物質)이 국화과(菊花科) 식물(植物)의 종자발아(種子發芽) 및 유묘생육(幼苗生育)에 미치는 영향(影響)을 조사(調査)한 결과(結果)는 다음과 같다. 파의 모든 부위의 조추출물(組抽出物)은 국화과(菊花科) 식물(植物)의 종자발아(種子發芽) 및 유묘생육(幼苗生育)을 억제(抑制) 혹은 고사(枯死) 시켰는데 그 중 엽신부(葉身部) 조추출물(組抽出物)이 타(他) 부위(部位)에 비(比)해 억제효과(抑制效果)가 현저하게 컸다. 파의 80% 메칠알콜 및 증류수(蒸溜水) 조추출물(組抽出物)은 국화과(菊花科) 식물(植物)의 종자발아(種子發芽)를 억제(抑制)하였는데 특히, 증류수(蒸溜水) 조추출물(組抽出物)이 80% 메칠알콜 조추출물(組抽出物)보다 억제효과(抑制效果)가 컸다. 파 수확후(收穫後) 토괴내(土壞內)에 있는 잔류근부(殘留根部)는 후작(後作)으로 한 국화과(菊花科) 식물(植物)의 유묘생육(幼苗生育)을 억제(抑制)하였다. 국화과(菊花科) 식물(植物)의 종자발아(種子發芽)를 억제(抑制)하는 파의 조추출물질(組抽出物質)은 광(光)과 열(熱)에 안정(安定)하고 그 중에는 휘발성물질(揮發性物質)도 포함(包含)되어 있음이 밝혀졌다. This study was attempted to know the effect of crude extracts of Allium fistulosum on the seed germination and seedling growth in compositae. The result is as follows; The seed germination and seedling growth in the tested compositae were inhibited by the crude extracts from leaf blade, leaf sheath and root of Allium fistulosum. Generally the crude extracts from leaf blade part showed the highest inhibitory effect in the tested parts. The seed germination was inhibited by the crude extracts of Allium fistulosum extracted with 80% methyl alcohol and distilled water. But the crude extracts which had extracted with distilled water indicated more inhibitory effect than that of 80% methyl alcohol. The seedling growth was depressed by the root residues of Allium fistulosum in the soil after harvesting. The crude extracts had the character of stability in light and heat. Some out of the inhibitors contained the volatile substances.