SOYBEAN NODULE DEVELOPMENT AND NITROGENASE ACTIVITY DURING THE REPRODUCTIVE PHASE - STATISTICAL MODELING APPROACH

被引:3
作者
BONA, S
VOLTAN, R
MOSCA, G
机构
[1] Istituto di Agronomia Generate e Coltivazioni Erbacee, Università di Padova
来源
JOURNAL OF AGRONOMY AND CROP SCIENCE-ZEITSCHRIFT FUR ACKER UND PFLANZENBAU | 1991年 / 167卷 / 04期
关键词
GLYCINE-MAX (L) MERR; NITROGENASE ACTIVITY; NODULES; REGRESSION MODEL;
D O I
10.1111/j.1439-037X.1991.tb00871.x
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Nitrogenase activity during the reproductive phase of the Hodgson 78 soybean variety was tested in a growth chamber experiment to evaluate its relationships with number, weight and specific nitrogenase activity of the nodules. A multiple regression model is proposed. The number of nodules did not change, while the total nodule dry weight increased with the increase of the average dry weight. The regression model adopted showed that the main factors affecting the total nitrogenase activity were the specific activity and the nodule mass, but the former induces the wider variations. Unlike other crops the counting of the nodules cannot be considered as an indirect predictor for nitrogen fixation.
引用
收藏
页码:249 / 253
页数:5
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