Greenhouse Canada

News
E-GRO Alert – Zinnia: tip burn of young leaves

July 23, 2014  By by Brian E. Whipker NC State University


July 23, 2014 — Leaf tip necrosis is a common problem encountered during
summer production of zinnias. This problem is due to an environmentally
induced calcium deficiency.

July 23, 2014 — Leaf tip necrosis is a common problem encountered during summer production of zinnias. This problem is due to an environmentally induced calcium deficiency.

The flower power and low production cost of zinnias (Zinnia elegans) have turned this plant into a major summer colour crop. During periods of high humidity, tip burn of the leaves that surround the flower bud has been reported.

Advertisement

This e-GRO Alert identifies the cause of this disorder.


Print this page

Advertisement

Stories continue below


Related