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허권,이기철,Heo, Kweon,Lee, Ki-Cheol 한국자원식물학회 1998 한국자원식물학회지 Vol.11 No.3
Percicarp anatomy of Fagophrum was examined on the basis of 12 species and two subspecies to contribute to a better understanding of specific phylogenetic relationship within genus. Examined species have a similar mature pericarp structure, but differences among the species are found with respect to whether or not sclerotic cells are present, and what kind of is the sclerotic cell shape in theexocarp. By the comparisons with pericarp anatomical structure, they are classified into three groups. First clade is composed of F. esculentum , F. esculentum ssp. ancestralis and F. homotropicum ; second clade is consisted of F. tataricum, F. tataricum ssp. potanini and Fl cymosum ; third clade is composed of f. callianthum,F. capillatum, F. gracilipes, F. leptopodum, F.lineare, F. pleioramosum, F.statice and F.urophyllum. The phylogey based on pericarp characters was considerably consistent with ones proposed by previous authors. It also suggested that pericarp characters are useful informatino for deduceing phylogenetic phylogenetic realtionship within geneus Fagopyrum. On the other hand, morphological character evolution indicated that there are tow synapomorphies in genus. There,it was suggested that these species having selfing and homostylous characters are evolved form heterostylous and ourcrossing species.
Fruit Wall Anatomy of Ocotea (Lauraceae)
허권,Heo, Kweon 한국자원식물학회 1996 한국자원식물학회지 Vol.9 No.3
The fruit wall anatomy of Ocotea was investigated on the basis of 14 species within the genus to contribute to a better understanding of specific relationships and homogeneity of genus. The species have a similar mature fruit wall structure, but diUerences among the species are found with respect to whether or not sdc.nchyma cells are present in the mesocarp. if present, whether or not they are present in particular positions and forms. Comparisons with species studied suggested that at least a few groups of species can be distinguished in Ocotea. They arc divided into five groups on the basis of anatomical structures. i.e., group 1) O. atrriensis, O. cujumari, O. helicterifolia, O. rubra and O. schomburgkiana; group 2) O. aeiphylla, O. javitensis, and O. sp. [Werff et ai. 12676]; group 3) O. tonduzii: group 4) O. foetens, O. quixos, and O. veraguensis; and group 5) O. floribunda and O. nitida. These various variations in Ocntea were also discussed to invite its respective systematic revisions. By the comparisons with species, on the other hand, it suggested that the specialized species are evolved from non-specialized species. 종간 유연관계 및 속의 이해를 돕기 위하여 Ocotea속의 과실 해부형태의 연구가 14종에 대하여 수행되었다. 조사된 종들간의 과실해부형태는 거의 비슷했으나 종들간 차이는 중과피내에 후벽세포의 유무에 있었고, 만일 중과피내에 후벽세포가 존재한다면 어느부위에, 또는 어떠한 형태로 존재하는가에 달려있다. 조사된 종들을 가지고 비교한 결과, Ocotea속은 적어도 5개의 group으로 나눌 수 있었다. 즉, 1) 후벽세포가 발달하지 않은 종 O. atrriensis, O. cujumari, O. helicterifolia, O. rubra and O. schomburgkiana; 2) 후벽세포가 외하피에만 발달한 종 O. aciphylla, O. javitensis, and O. sp. [Werff et al. 12676]; 3) 후벽세포가 내하피에만 발달한 종 O. tonuzii; 4) 후벽세포가 외하피와 내하피에 모두 발달한 종 O. foerens, O. quixos, and O. veraguensis; 과 5) 후벽세포가 중과피의 여기저기에 발달한 종 O. floribunda and O. nitida으로 나눌 수 있었다. 아울러, Ocotea속에 있어서 과피 해부형태의 다양성이 논의되었으며, 속에 대한 분류학적 재인식이 요구되었다. 한편, 과실의 해부형태 형질의 진화경향은 중과피내에 후벽세포가 발달하지 않은 종으로부터 후벽세포가 발달한 종으로 진화했을거스로 추정되었다.
조서인 ( Se In Cho ),허권 ( Kweon Heo ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2009 강원 농업생명환경연구 Vol.21 No.-
This survey was carried out to investigate the flora of Mt. Durueng and Palbong at Hongcheon. Vascular plants surveyed were consisted of 228 taxa, i.e., 164 species, 3 subspecies, 49 varieties, and 12 formae. Korean endemic plants were Eleutherococcus divaricatus var. chiisanensis, Cirsium setidens, Carpinus turczaninovii, Vicia chosenensis, and Asperula lasiantha. Also, the conservatory plants classified from first grade to fifth grade were distributed 39 taxa in the Mt. Durueng and Palbong. Among them, Gastrodia elata Blume and Epimedium koreanum Nakai were investigated as rare plants. The naturalized plants were found four species.
송일배 ( Il Bae Song ),허권 ( Kweon Heo ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2009 강원 농업생명환경연구 Vol.21 No.-
This survey was carried out to investigate the flora of Mt. Jwabangsan at Chuncheon. Vascular plants surveyed were consisted of 238 taxa, i.e., 174 species, 2 subspecies, 52 varieties, and 10 formae. Korean endemic plants were Eleutherococcus divaricatus var. chiisanensis, Weigela subsessilis, Cirsium setidens, Gymnaster koraiensis, Ajuga spectabilis, Vicia chosenensis, and Aconitum pseudolaeve. Also, the conservatory plants classified from first grade to fifth grade were distributed 39 taxa in the Mt. Jwabang. The naturalized plants found 17 species. Especially, the rare plants were found two species.
Taek Jong Lee(이택종),Binod Prasad Luitel(루이텔 비노드),Kweon Heo(허권),Bong Jun Choi(최봉준),Won Hee Kang(강원희) (사)한국생물환경조절학회 2011 시설원예‧식물공장 Vol.20 No.4
본 연구는 칼륨의 독성에 따른 배추의 생육과 생리적 특성 그리고 형태적 변화를 관찰하기 위하여 수행하였다. 100mM의 칼륨 농도 처리구까지 전체적인 생육이 증가한 반면, 600mM 처리구에서 생육이 가장 저조하였다. 칼륨 처리 농도가 높을수록 N, P, K, 함량은 증가하였지만 Ca, Mg, Na 함량은 감소하는 경향을 보였으며 미량원소, Fe, Mn, Zn의 경우 100mM의 처리구에서 가장 높은 함량을 나타내었다. 생체중당 Chl a, b와 carotenoid 함량은 600mM에서 가장 많이 증가하였으나 증가한 엽록소 함량에 비해 광합성효율(Fv/Fm)은 처리구간에 차이가 없었고 CO₂ 동화율은 오히려 감소하였다. 이는 칼륨 과다에 의한 삼투스트레스의 결과로 기공의 퇴화와 CO₂ 동화능력과 밀접한 관계가 있는 것을 형태학적 관찰로 확인되었다. Total free amino acid의 경우 100mM 처리구까지 칼륨 처리 농도가 증가함에 따라 증가한 반면 600mM에서 급격히 감소하였다. 따라서 본 실험에서의 배추는100mM의 칼륨 농도까지는 긍정적인 효과가 있는 것으로 판단되었다. Overusing chemical fertilizers involves potassium accumulation in the soil, which can become a toxicity problem in agriculture. This study was conducted to investigate the effect of potassium (K) treatment on growth, physiological characteristics, and morphological changes using Chinese cabbage (Brassica rapa L. ssp. campestris). With high (600 mM) K treatment, the plant growth traits of leaf length, leaf area, and fresh and dry weight of shoots and roots decreased, whereas chlorophyll content increased. As the concentration of K increasing, total N, P, and K increased in leaves, but concentrations of Ca, Mg, and Na decreased. However, Mn, Fe and Zn contents were highest in 100 mM K treatment. Chlorophyll a, b, and carotenoids increased with increasing K concentration. Maximum photochemical efficiency (Fv/Fm) was not significant in the all treatments, whereas CO₂ assimilation decreased with increasing K level due to stomatal degradation. Total free amino acids increased with the 10 and 100 mM K but decreased at 600 mM K treatments. Therefore, the growth and physiological characteristics of Chinese cabbage ascertained that tolerance up to 100 mM K when grown with nutrient solution in pot culture.