期刊论文详细信息
日本作物学会紀事
播種期と栽植密度の違いがダイズ品種,津久井在来の子実生産に及ぼす影響
磯部 勝孝1  鳥越 洋一1  肥後 昌男1  河邉 祥子1  二川 航1  加賀美 作京1 
[1] 日本大学生物資源科学部
关键词: 栽植密度;    ダイズ;    津久井在来;    播種期;    Planting density;    Soybean (Glycine max (L.) Merr.);    Tsukuizairai;    Sowing time;   
DOI  :  10.1626/jcs.85.144
学科分类:农业科学(综合)
来源: Nihon Sakumotsu Gakkai / Crop Science Society of Japan
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【 摘 要 】

The objective of this study was to evaluate the optimum sowing time and planting density of soybean cultivar, Tsukuizairai. Field experiments were carried out in the experimental field at Nihon University from 2012 to 2014. When Tsukuizairai were sown in May, the rate of damaged seed by stink bugs and delayed stem senescence increased. In the case of 30 cm row width and 7.5 cm intrarow spacing, marked lodging occurred in the July sowing plots due to the longer stem length and thinner stem diameter. Thus, the optimum sowing time is from June to July, and the optimum planting density is from 11.1 to 22.2 plants per m-2 for soybean cultivar, Tsukuizairai. The protein content of seeds was not affected by sowing time and planting density. However, that of Tsukuizairai was lower than that of Enrei and Tachinagaha. Thus, the subject of the Tsukuizairai cultivation is the production of high protein content seeds in the future.

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