Importance of Outcrossing in Highbush Blueberry Cultivars

Presenter's Name(s)

Mariel Dunn

Conference Year

2023

Abstract

Some flowering plants require cross pollination, while other rely on selfing. Many, like highbush blueberries, use both, but one method may still be more effective. This phenomenon has been studied in blueberry cultivars which have shown a variety of results. To test this, Blueray and Bluecrop flowers were pollinated with self, bush-crossed, and out-crossed pollen. The fruit set, seed count, sugar content, viable seed percentage, and mass were compared using generalized linear models. The first four were insignificant, but selfing resulted in significantly different mass than crossing. To produce larger berries, farmers should isolate their Blueray and Bluecrop plants

Primary Faculty Mentor Name

Alison Brody

Status

Undergraduate

Student College

College of Arts and Sciences

Program/Major

Biology

Primary Research Category

Life Sciences

Abstract only.

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Importance of Outcrossing in Highbush Blueberry Cultivars

Some flowering plants require cross pollination, while other rely on selfing. Many, like highbush blueberries, use both, but one method may still be more effective. This phenomenon has been studied in blueberry cultivars which have shown a variety of results. To test this, Blueray and Bluecrop flowers were pollinated with self, bush-crossed, and out-crossed pollen. The fruit set, seed count, sugar content, viable seed percentage, and mass were compared using generalized linear models. The first four were insignificant, but selfing resulted in significantly different mass than crossing. To produce larger berries, farmers should isolate their Blueray and Bluecrop plants