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- Title
Estimates of relative contribution of biomass, harvest index and yield components to soybean yield improvements in China.
- Authors
Cui, S. Y.; Yu, D. Y.
- Abstract
A method was developed to estimate the relative contribution of increased biomass, harvest index and yield components to seed yield gain of soybean. Data from four field experiments conducted in three soybean production regions in China were used to measure the role of different traits (such as harvest index) in seed yield improvement by applying this method. The results indicated that harvest index was a larger contributor to the progress of soybean yield improvements than biomass in China. However, the estimates of improvements of yield components suggested that there could be several strategies for obtaining high yield. High yielding would be achieved by improving all of the three yield components (pods per plant, seeds per pod and seed weight) simultaneously, or significantly improving one or two of the three components.
- Subjects
CHINA; SOYBEAN; PLANT biomass; HARVESTING; AGRICULTURE
- Publication
Plant Breeding, 2005, Vol 124, Issue 5, p473
- ISSN
0179-9541
- Publication type
Article
- DOI
10.1111/j.1439-0523.2005.01112.x