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계봉명,최병한 한국국제농업개발학회 1993 韓國國際農業開發學會誌 Vol.5 No.2
南部地方 논에서 왕골 多收穫 早期栽培技術을 開發하기 위하여 왕골 地方在來種을 供試하여 播種과 移植時期, 施肥量, 栽植密度, 倒伏防止方法試驗을 農村振興聽 作物試驗場 木浦支場에서 實施한 왕골 早期栽培試驗의 主要硏究結果는 다음과 같다. 1. 왕골 乾皮收量은 晩生種 영암종 3월 25일 파종, 5월 15일 移植區에서 608㎏/10a로 가장 多收穫되었다. 벼移秧에 지장이 없는 成熟期內에서는 早生種 강화종 3월 15일 播種, 5월 15일 移植區 461㎏/10a으로 가장 多收穫되었다. 2. 왕골 早期栽培에 적합한 施肥量(N-P₂O_5-K₂O)은 9-7-6㎏/10a이었으며 栽植密度는 15×10㎝이었다. 3. 왕골의 出穗期에 除穗해주므로서 倒伏을 완전히 防止할 수 있었으며 乾莖收量도 제수구에서 3∼8% 增收되었다. 4. 왕골의 乾皮收量에 直接的으로 가장 크게 영향을 미치는 形質은 株當 유효경수이었고 다음이 莖長이었다. Wanggol has been grown for a long time in Korea to be used as a good material for handicraft mat, cushion basket, bowl, hat, sandals, shoes, and others woven with beautiful flower patterns. Early-maturing cultivars of Kangwhoa and Hampyoung landraces were selected as the best cultivars for early season wanggol culture. Late maturing cultivars of Youngam and Hampyoung landraces produced much more dry stem yields ranging from 5 to 6 tons per hectare when compared with the early maturing cultivars ranging from 3.7 to 4.6 tons per hectare. The optimum seeding season was early and mid-March and with transplanting season of late April and early May. And the appropriate fertilizer application level was 90-70-60㎏/㏊ of N-P₂O_5-K₂O. Transplanting distance 15×10㎝ was good for early season culture of wanggol in the paddy field. When heads of wanggol plants were cut and removed, their lodging problem was solved providing higher quality and yield. Application of GA3 100ppm solution promoted stern elongation as well as cell division, resulting in improved quality and yield of wanggol. The optimum time of GA3 application was 10 days after heading, but the optimum head-removal time was just the heading time to prevent lodging completely. The direct effect of stems per plant on dry stem skin yield was the largest demonstrating the greatest direct effect for higher yield, and with stem length.
桂鳳明,薛權錫,曺章煥 韓國作物學會 1987 한국작물학회지 Vol.32 No.4
사질답을 Zeolite 가용에 의한 증수효과의 실증을 해석적으로 평가하고저 1986년 공시품종 '봉광'를 사용해서 표준재배법으로 관리하여 조사분석한 결과를 다음과 같이 요약한다. 1 Zeolite 가용에 의하여 토양중의 K는 116%, Ca는 l8%, SiO2 는 22%, 그리고 CEC는 14%가 각각 증가하였다. 2. 10a당 백미수량은 542kg로서 표준재배구보다 11% 증수되었다. 이것은 주당수수가 많고, 임실율이 높고 수당입수도 많은 것에 기인되었다. 또한 1,000입중 및 1 중이 무겁고, 쇄미율은 낮고 밥맛은 좋았다. 3. 특이한 상관반응으로서는 정조수량-수중비율이 높은 정상관이며, 정상관이 인정되는 것은 주당수수-수중비율 및 등숙율-정조수량이다. 높은 부상관은 정조 1.000입중-제 4·5절 간장 비율이였다. 4. 수량에 대한 수량구성요소의 직접효과는 등숙율이 가장 컸으며, 다음으로 큰 것은 수당입수였다. 5. 출수기 35일후의 식물 각기관의 건물중은 표준재배구보다 모두 무거웠으며, 특히 생엽은 26%, 경+엽초는 19%, 그리고 수는 5%나 각각 무거웠다. 6. 수의 1차지경 끝부위의 착립비율은 전착립수의 47%이며, 그의 상반부의 착립비율은 37%이다. 그리고 수축의 최선단에도 많이 착립하는 정전화의 우세효과가 뚜렷하였다.효과가 뚜렷하였다. The milled rice yield of the fertilized Zeolite in the sandy loam as 542 Kg/10a was increased by 11% compared with the check plat as a standard cultivation. Significant positive correlations of that were found between grain yield/plant and panicle/total weight ratio or average weight of panicle, while lower correlations between ratio of riqened grains and grain yield/ plant. But significant negative correlations were found between 1,000-grain weight of rough and 4th. 5th internode/culm length ratio. It was reavealed that there were higher direct effects for ratio of ripened grains and spikelets/panicle affecting grain yield/plant through path analysis among the yield components. Moreover, organic dry matter production at 35 days after heading were heavier by 26% in active leaves, 19% in stem + leaf sheath, and 5% in panicle, respectively. Ratio of settled spikelets on the terminal of primary rachis-branch was 47% to total spikelets, and 37% in half-upper of that, moreover many spikelets settled on the terminal of rachis. Therefore, it was recognized that there were a dominant effect of apical glumous flower by fertilized Zeolite.
Cluster 分析에 依한 陸地棉品種의 分類에 関한 硏究
B. M. Kae(桂鳳明),H. Kikuchi(菊池文雄),T. Shiga(志賀敏夫) 한국육종학회 1983 한국육종학회지 Vol.15 No.2
Eight principal clusters were extracted by using the Q-type affinity as the difference of maturity, plant type, number of bolls per plant, boll size, proportion and quality of lint and seed grain size among the collected 100 cotton varieties from major cotton producing countries in the world. The group II, V and VIII contains the desirable varieties as breeding meterial for early maturing, plenty lint yield and long staple.
B. M. Kae(桂鳳明),H. Kikuchi(菊池文雄),Y. Ohta(太田保夫) 한국육종학회 1984 한국육종학회지 Vol.16 No.2
Six populations-P₁, P₂, F₁, F₂, B₁ and B₂-each of three upland cotton(Gossypium hirsutum L.) crosses were used to evaluate gene effects in the inheritance of six useful agronomic characters by Gamble’s six-parameter model for the analysis of generation means. The additive gene action governed the staple length and lint percentage, so that the individual selection for these characters in F₂ generation will be very valid steps. Since the additive gene actions of boll weight and days to flowering were equal to the dominant gene actions of these, since the number of bolls per plant and lint yield per plant were governed by the dominant gene actions, there are hopeful that the desirable types for those characters will be selected by the effective steps, according to increasing the additive gene effects of those in the following generation.