Photosynthesis and Leaf Anatomical Morphology on Different Leaf Shape of Soybean

엽형에 따른 콩 품종의 광합성 능력과 잎의 해부형태 비교

  • Published : 2003.06.01

Abstract

To find ideal leaf types for soybean breeding program, we examined the relationships among leaf anatomical and morphological characteristics and $\textrm{CO}_2$ assimilation on the different leaflet shape of soybean (Glycine max). In anatomical characters of leaf, palisade and spongy cells were thicker in both small seed cultivars with narrow leaflet and large seed cultivars with wide leaflet than others. $\textrm{CO}_2$ uptake per plant and leaf thickness were significantly associated with seed yield per plant, showing difference among the soybean cultivars. Although the leaf area was lower for narrow leaflet cultivars, which had a significantly higher photosynthetic rate per plant comparable to the wide leaflet cultivars.

콩의 입중에 따른 다수성 콩 품종육성의 엽형 모델을 찾고자 기존의 품종들을 대상으로 일의 형태 및 해부학적 특성과의 관계를 조사했는데. 그 결과를 요약하면 다음과 같다. 1. 엽신의 두께는 소립형 품종보다는 대립형 품종이 두꺼웠으며, 단위엽의 엽면적에서도 대립형 품종들이 큰 경향이었다. 2. 엽육조직의 관찰결과 소립 장엽형 품종과 대립 환엽형품종의 책상세포 및 해면세포가 두껍고 치밀하게 배열되어 있었다. 3. 단위엽면적당 $\textrm{CO}_2$ 흡수량, 주당 $\textrm{CO}_2$ 흡수량, 엽신 및 책상세포의 두께는 종실수량과 정의 상관이 인정되었으며, 단위엽의 엽면적과는 부의 상관을 보였다. 4. 따라서 품종간의 특성은 및 기능의 차이로서 인정할 수 있었으며 특히 $\textrm{CO}_2$ 동화량 및 엽육조직의 두께와 엽육세포의 치밀함 등은 품종간 특성차이를 나타내는데 크게 기여하였다.

Keywords

References

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