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마 종근(種根)종류와 크기가 생육 및 수량에 미치는 영향
오윤진,주영희,김정곤,김강권 한국국제농업개발학회 1995 韓國國際農業開發學會誌 Vol.7 No.1
本 試驗은 1991年 農村振興廳 技術協力官室試驗圃場에서 短마의 珠芽 種根 및 珠芽1年生種根들의 크기가 生育 및 收量에 미치는 影響을 검토하고자 遂行하였던 結果는 다음과 같다. 1. 珠芽 生産費 및 收量은 種根種類間에는 珠芽1年生種根>種根>珠芽栽培 順으로 많았으며, 同一種根에서는 種根 크기가 클수록 많았다. 2. 個體當 무게가 2.0gm 以上인 珠芽를 栽培하면 當年에 收量이 慣行收量(2107㎏/10a)의 76% 生産(1067㎏/10a)이 가능하며, 總收量의 66%는 商品바로 판매할 수 있고 나머지 34%는 이듬해에 優良種根으로 利用할 수 있다. 따라서 마의 種根確保 困難時 珠芽 2.0gm. 以上인 것을 栽培하면 當年에 商品마 生産과 더불어 優良種根 確保로 種根購入費 및 勞力節減效果가 크다고 생각된다. 3. 種根形態別로 收量(販賣 可能한 收量) 向上을 위한 種根크기가 種根栽培는 10gm. 以上 珠芽1年生種根栽培는 40gm. 以上의 것을 利用하여야 10a當 2000㎏ 以上의 收量을 기대할 수 있다고 생각된다. The experiment was conducted at International Technical Cooperation Center, RDA in 1991 to determine the effects of seed tubers and sizes on growth and yield in yam(Dioscorea opposite Thurnb.) The aerial tuber, the seed tuber and the seed yam(tuber cultivated one year by the aerial tuber) were transplanted with a planting distance of 70×30㎝ by high ridge cultivation with polyethylen film(PEF) mulching(ridge height: 40㎝). The aerial tubers of aerial part and the total yield were highest in cultivating of seed yams, followed by the cultivation of seed tubers and the cultivation of aerial tubers, and also those production were better as the weight of the seed tubers is high in cultivating within the same seed tubers. The cultivation with aerial tuber which is more than 2.0gm. in fresh weight could be yielded 1,067㎏ per l0a that was the 76% of total yield producted with proventional cultivation (seed tuber : 10gm.) and than the 66% of total yield was the commodity yield, and also the rest(34%) can be used by the good seed tuber next year. Thus, in case that farmers have difficulty in prepering seed tuber, the cultivation with aerial tuber(more than 2.0gm. in fresh weight) in place of seed tuber can be expected production of marketing yield as well as he cost down for purchasing seed tuber. Finally, the sizes of seed tuber and seed yam for high yielding in yam were more than 10gm. and 40gm. in fresh weight, respectively.
마 괴근(塊根)의 절편(切片)재배와 크기가 출아 및 수량에 미치는영향
오윤진,주영희,김정곤,김강권 한국국제농업개발학회 1993 韓國國際農業開發學會誌 Vol.5 No.1
The experiment was conducted at International technical cooperation center, RDA in 1991 to determine the effect of estt types and sett sizes on sprouting and yield of yam (Dioscorea opposita Thumb.). In general, spiouting rate of head sett was remarkably higher than that of middle and tail setts, but e was not significantly different in sett sizes. The growth and development in cultural media and yield of aerial tuber in field were better as the sett type is upper part of tuber and also as the weight of sett size is greater. There were not significantly different in tube length and tuber diameter in sett types and sett sizes. Yield was highest in the head sett followed by middle sett and tail sett within the same sett sizes, and also was highest in 40gm of sett size followed by 20gm and 10㎎ of sett size within the same sett types 40gm size of head sett was showed highest yield of the 2,799Kg per 10a among the reatments. The results suggest that head sett of tuber is possible to useing by seed yam without any treatments before seeding, but middle and tail sett of tuber are needed to some treatments for earlier and more rapid sprouting before seeding. Sett size of head and middle setts for high yieldig was the 20gm, but that of tail sett was 40㎎. Key words : Cultural media, Sprouting, Sett type, Sett size, Yield, Yam.