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기린초, 동자꽃, 두메부추의 휴면타파를 위한 고랭지 저온요구시간
서종택(Jong-Taek Suh1),홍수영(Su-Young Hong),유동림(Dong-Lim Yoo),류승열(Seung-Yeol Ryu),송정섭(Jeong-Seob Song) 한국실내조경협회 2005 室內造景 = Journal of the Korean institute of interior Vol.7 No.1
두메부추, 동자꽃, 기린초는 분화 및 화단용으로 우수한 특성을 가진 자생식물로서 6~8월 사이에 꽃이 핀다. 이러한 자생화를 겨울에 생산하기 위한 기초 자료로 활용코자 저온처리에 의한 식물체 휴면타파 방법을 구명하고자 수행하였다. 화분정식 후 생육 관리 하였으며 지상부 고사후 11월 10일부터 10일 간격으로 12월 10일까지 가온온실에 입실하여 출아 및 생육을 조사하였다. 온실입실시기별 5℃이하의 저온경과시간은 11월 10일에 214시간, 11월 20일에 427 시간, 11월 30일에 662시간 그리고 12월 10일에 896 시간이었다. 출아소요일수는 입실시기가 늦어질수록 모두 짧아졌으며 출아율은 입실시기에 관계없이 100%를 나타내었으며 초장의 신장으로 볼 때, 두메부추는 5℃이하의 저온에서 427시간 이상, 동자꽃과 기린초는 662시간 이상 경과되어야 휴면이 완전히 타파되는 정상적으로 생육하는 것으로 나타났다. 그러므로 동계생산을 위해서는 11월 중하순까지 고랭지의 노지에 두었다가 평지 온실로 옮겨 재배하면 1월 상순부터 출아하여 3월중하순사이에 개화되어 분화상품으로 생산이 가능할 것으로 생각되나 이 식물들은 장일성이므로 동계에 전조를 통하여 일장을 연장시켜주어야 개화시기를 앞당길 수 있을 것으로 사료된다. This study was carried out to investigate low temperature requirement hour for dormancy breaking of Allium senescens Lychnis cognata and Sedum kamtschaticum. The pots were put in a greenhouse at four different dates( Nov. 10th, Nov. 20th, Nov. 30th and Dec. 10th. ). The growth characteristics were checked from November to March. Under outdoor condition in highland(800m sea level), the accumulated hours of low temperature below 5℃ from September 1th to December 10th were 214 hours on Nov. 10th, 427 hours on Nov. 20th, 662 hours on Nov. 30th, and 896 hours on Dec. 10th. Allium senescens showed fast elongation of plant height on the entered Nov. 20th. treatment investigated on Feb. 5th. And Lychnis cognata and Sedum kamtschaticum showed fast elongation of plant height on the entered Nov. 30th. treatment. Therefore, for the pot production in winter season, the estimated low temperature hour required for dormancy breaking were above 427 hours(Nov. 20th) for Allium senescens and 662 hours(Nov. 30th.) for Lychnis cognata and Sedum kamtschaticum,
메밀의 망실재배시 종자생산성 향상을 위한 수분곤충의 선발과 활용법 구명
김수정(Su Jeong Kim),손황배(Hwang Bae Sohn),남정환(Jeong Hwan Nam),이종남(Jong Nam Lee),서종택(Jong Taek Suh),장동칠(Dong Chil Chang),김율호(Yul Ho Kim) 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.1
This study investigated field data to understand the spatio-temporal distribution of pollinating insects and buckwheat flowers. We set the in-situ observation sites in different locations to get altitude and cropping system distribution data for five years (2016 to 2020) in Korea. Twenty-five different insect species, belonging to 8 orders, were recorded. Over the past five years, species from the orders Diptera and Hymenoptera were the principal visitors. Hymenoptera was mainly represented by honey bees (Apis cerana), while Diptera was represented by bean seed fly (Delia platura) and several other species. Some bees and other Hymenoptera species could, however, act as co-pollinators because of their high relative frequency and activity. Compared with open-field cultivation (conventional), the pollination mediating effect of flies and bees was superior in net house, so the yield was high, and it was also found to be slightly higher in the mixed treatment of flies and bees than in the single treatment. Based on the above results, flies and bees were found to be the most active pollinating insects in buckwheat and it is necessary to actively utilize the selected insects to improve buckwheat productivity. This relationship will be utilized in establishing the system of seed production on pollinating regulation of a primary plant.