大豆の開花結実性に関する研究 : 気象並びに耕種条件と大豆の部位別開花結実性との関係
スポンサーリンク
概要
- 論文の詳細を見る
The variety, Norin No. 4, were seeded on 15th May and 30th June in 1958 and 1959 with two stands, light and heavy. The blooming and fruiting in each node were observed. The results obtained are as follows: 1) The weight of leaves and stems and the number of pods were larger on the early seeding plot than the late one, on the plot of light density than the heavy stand and in the test in 1958 than 1959 especially on the early seeding plot. The percentages of fruiting were not constant with plots. 2) There were a fundamental type of blooming and fruiting in each node of both of the main stem and branches of the plant, the largest number of flowers and pods were observed on the top node and the 6th to 8th node from the top, and the fruiting percentage and mean weight of a seed were high on the node of the second to 5th node. 3) However, there were some differences with production practices, the number of flowers and pods in the branches were changeable in each node but on the main stem they were favorably constant especially on the second to 5th node. Higher yields were obtained when the nodes with many flowers and pods were shown on relatively lower position. The more differences were shown between the most efficient node of flowering and podding the lower fruit-setting percentage were observed. 4) Such differences of flowering and fruiting came mainly from the differences of the duration of sunshine, the light intensity on the lower leaves and the growth of leaves and stems. Consequently, the number of flowers depended upon the amounts of the reserves of assimilates untill the period of the differentiation of flower buds and the pods number depended upon the amounts of the assimilates during 30 days after the blooming stage. 5) It was clarified that the important period and leaf position to decide the number of flowers and pods were different and there were some changeable nodes in the number of flowers and pods with production practices. The data shown might be very important to promote the soybean yields.
- 日本作物学会の論文
- 1961-10-01
著者
関連論文
- 牧草の再生に関する研究 : 第1報 オーチャードグラスの再生と水分経済に及ぼす土壌水分の影響
- 8. 作物と雑草の競合について : 第1報 エンバクとイヌタデの競合
- 玉蜀黍の生育相に関する研究 : 第1報 栽植密度の相違が玉蜀黍の生育収量に及ぼす影響
- 深耕条件下における施肥位置並びにその施用割合の相違が・玉蜀黍の生育収量に及ぼす影響
- 乾物生産から見た大豆の生育相について
- 大豆の葉の機能に関する研究 : 第1報 各葉における乾物重, 窒素, 燐酸, 加里ならびに炭水化物含量の消長について
- 大豆の分枝に関する研究 : 第1報 出葉秩序について
- 大豆の増収要因解析に関する研究 : 第1報 多収地大豆の生育相解析
- 9. 作物と雑草の競合について
- 作物による被蔭程度と雑草発生との関係について
- 大豆に対するMCP.CMU.PCPの地上部処理の影響
- 畑作除草剤の使用法について : 第1報 除草剤の併用並に混用について
- 馬鈴薯バイラス病抵抗性の品種間差異 : 第1報 主要品種の抵抗性について
- 大豆の開花結実性に関する研究 : 施肥法が大豆の開花結実性に及ぼす影響
- 新懇地における大豆の施肥法に関する試験 : 主として燐酸の施用法と大豆の生育相
- 大豆の開花結実性に関する研究 : 二三品種の部位別開花結実性およびその調査法について
- 大豆の開花結実性に関する研究 : 気象ならびに耕種条件と大豆の部位別開花結実性との関係 (第131回 講演会)
- 栽植様式の相違が大豆の生育・収量に及ぼす影響
- 大豆の開花結実性に関する研究 : 気象並びに耕種条件と大豆の部位別開花結実性との関係