Timing of halo spotting by flower thrips on table grapes

Flower thrips oviposit in newly developing grape berries and produce a halo spot. The halo spot consists of a small dark scar surrounded by whitish tissue. If too numerous, these halo spots either reduce the grade of table grapes or result in their being culled. Fortunately only a few varieties such...

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Bibliographic Details
Published in:California Agriculture
Main Author: F Jensen
Format: Article
Language:English
Published: University of California Agriculture and Natural Resources 1973-10-01
Online Access:https://californiaagriculture.org/article/112144-timing-of-halo-spotting-by-flower-thrips-on-table-grapes