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- Title
Research on the agronomic traits of relay cropping soybean.
- Authors
LIU Wei - guo; ZOU Jun - lin; YUAN Jin; JIANG Tao; WU Xiao - ling; YANG Wen - yu
- Abstract
The main agronomic characteristics of 33 soybean materials were studied under relay intercropping systems. The results showed that average height of materials reached 122. 98cm with relatively less node number and prolonged node length. Branches were extremely important to yield formation , the average branch number of materials was 5. 05 , while branch yield accounting for 81. 1% of plant yield. Correlation analysis showed that yield of relay intercropping soybean was significantly positively correlated with seed weight of branch , height of the highest branch , effective branch numbers , average branch length , number of node on main stem , growth period and length of vegetative period. The strong capability of branching and bearing were essential for higher yield in relay intercropping soybean. Principal component analysis showed that the branching factor , stem factor , yield factor and pod factor altogether contribute 77. 28% to the variation rate. Results of this study provided theoretical basis for selection and breeding of special soybean varieties for relay intercropping planting.
- Subjects
SOYBEAN; AGRONOMY; INTERCROPPING; AGRICULTURE; NODES (Botany)
- Publication
Chinese Journal of Oil Crop Sciences, 2014, Vol 36, Issue 2, p219
- ISSN
1007-9084
- Publication type
Article
- DOI
10.7505/j.issn.1007-9084.2014.02.012