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Cultivar Tolerance To Strawberry Clipper Damage 1997

Project Leader: Marvin Pritts

Objective:

Determine if the ability to compensate for clipper injury is a characteristic of most all strawberry varieties grown in matted rows.

Results:

Twelve strawberry varieties were examined to see if they could compensate for berry loss due to clipper injury. Most varieties were able to compensate to some degree. There was also evidence that the number of tertiary and quaternary flowers increased with primary flower removal. There was little effect on yield across treatments from removing all of the primary flowers or all of the tertiary and higher flowers, suggesting that the threshold for treatment may be several times higher than our standard recommendation for many varieties. If true, then the clipper is probably not a serious pest in most circumstances for most varieties, and damage can be ignored.