KEEP YOUR POINTS DISEASE-FREE

FROM THE MAY 2024 ISSUE OF GROWERTALKS MAGAZINE

WRITTEN BY KURT BECKER

NARRATED BY BILL CALKINS

AND TO CELEBRATE AUDIO FILES #50! WHEN THIS ONE ENDS … JUST KEEP LISTENING FOR …

A QUICK REVIEW OF POINSETTIA DOWNY MILDEW

WRITTEN BY NORA CATLIN

ALSO FROM THE MAY 2024 ISSUE OF GROWERTALKS

EXCERPT 1: Poinsettia Bract Edge Burn is a common occurrence in this Christmas crop. Brown necrotic lesions occur on the bract margin. The primary cause for this is low levels of calcium in the bract. Some poinsettia varieties have difficulty translocating calcium to the bract margin as the bract expands. Once necrosis begins, Botrytis can follow, often leading to more plant damage.

EXCERPT 2: After a long while of not seeing powdery mildew on poinsettias, several cases were seen last season. Perhaps that was a fluke and we won’t see it again—let’s hope that’s the case. But let’s use the mildew seen last year as a reminder and take the opportunity to review this disease.

Read the digital edition of GrowerTalks Magazine—MAY 2024: https://www.ballpublishing.com/magazine/gt_24_05/index.aspx