Research Notes : Decapitation technique to increase grain yield in soybean

Date
1982-04-01
Authors
Chu, Huu Tin
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Iowa State University Digital Repository
Abstract

In soybean, pod clusters were generally formed at the nodes of stem and/ or at those of branch, but at the higher nodes, pod clusters failed to develop sufficiently, pods and seeds seemed to be smaller and empty (unfilled). Then, if we can control its branching capability, and cause branching earlier and more numerous to bring out more flower and pod clusters at the nodes of mid-stem and those of mid-branch, it will be sure that flowering and/or pod fonnation occur at short interval of time and be numerous. In spring, soybean grown in well-amended soil, if subjected to decapitation technique when having 4-5 trifoliate leaves, will begin branching earlier, branches may develop well and grain yield increases steadily.

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