Tiller Initiation and its Effects on Yield and Yield Components in Winter Wheat
AGRONOMY JOURNAL, 111(3), 1323–1332.
TL;DR:
The timing and rate of leaf initiation impacts yield and yield components shows earlier tillers have an advantage in that they have shorter periods of leaf development that result in more leaf area which in turn supports more kernel spike–¹ and heavier kernels, thus more grain weight per spike.
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Core Ideas
A marking technique was used to monitor leaf and tiller development.
The earlier a tiller is formed the more kernels it produces.
Seeding rate influences tiller initiation and productivity.