大豆의 倒伏이 主要形質에 미치는 影響 = Effect of Lodging on Ilportant Agronomic Characters of Soybean (Glycine max (L.) Merr)

국문 초록 (Abstract)

大豆의 倒伏이 主要形質에 미치는 影響을 究明하기 위하여 水原 114號ㆍHill 및 白川을 供試하여 試驗한 結果를 要約하면 다음과 같다.
1. 草長ㆍ分技數ㆍ生體重은 倒伏이 甚할수록, 그리고 倒伏時期가 빠를수록 有意하게 增加하였다.
2. 節數ㆍ株當萊數ㆍ株當粒重 및 100粒重 等은 倒伏時期가 늦어짐에 따라, 그리고 倒伏程度는 적을수록 有意性있는 增加傾向을 보였다.
3. 收量은 倒伏으로 因해 크게 減少되는 傾向을 나타내었는데, 특히 開花期 以前의 倒伏이 收量에 크게 影響을 미친다는 事實이 認定되었다.
4. 主根伸長量과 根重에 있어서는 倒伏時期가 늦을수록, 그리고 倒伏程度가 적어질수록 各各 增大 되었다.
5. 脂肪含量은 幼苗期倒伏區의 含量이 제일 적고, 倒伏時期가 늦어질수록, 그리고 倒伏의 程度가 緩慢해질수록 增加하였다.

다국어 초록 (Multilingual Abstract)

This study was carried out to investigate the effect of lodging on major agronomic characters of soybean. Three cultivars including Hill were sown and tested.
The results obtained can be summarized as follows:
1. Plant height, the number of branches per plant, and fresh weight were significantly increased by the severity of lodging and the significance was recognized by the lodging stages.
2. Numbers of node, pod, seed, and seed weight per plant and 100 seed weights were increased when lodging stages become late but the degree of lodging was significantly increased when the lodging was sightly changed.
3. The yield was sharply reduced by the lodging. Especially, the lodgings of early growth and flowering stage were severely affected by them.
4. In the length of main root and dry weigth of root they got long and heavy with the lodging stage getting late and with the lodging stage being sligtly changed respectively.
5. The concentration of fat in seedling stage which was lodged was the lowest and slightly increased with getting late. Whereas, it was increased with the slight changes in lodging.