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Increase in the number of days to spike emergence in winter wheat due to clipping prior to vernalization

Increase in the number of days to spike emergence in winter wheat due to clipping prior to vernalization

Cereal Research Communications 19(4): 413-418

Number of days to complete spike emergence is known to be influenced by verglization, photoperiod, and temperature in winter wheat, Triticum aestivum L. In this study we observed the effect of pre- and post-vernalization clipping of leaves on days to complete spike emergence. Seedlings of one hard red spring and four hard red winter wheat cultuvars were clipped immediately before or after a 49-day vernalization period. Pre-vernalization clipping significantly delayed emergence of the spike from 10 to 26 days depending upon the cultivar. Post-vernalization clipping delayed spike emergence of the spike an average of 3 days.

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