Abstract

Research Article

Non-chemical control of Armillaria mellea infection of Prunus persica

Jim Downer* and Ben Faber

Published: 04 July, 2019 | Volume 3 - Issue 2 | Pages: 050-055

Peaches, Prunus persica were planted as grafted saplings in an avocado orchard previously infested with Armillaria mellea (Vahl) P.Kumm. Trees were planted in large or small holes with or without fresh yardwaste chips added as an amendment and with or without a Trichoderma biocontrol product sprayed into the hole. Trees were monitored for six years -- growth and mortality was tabulated. Six years later 40% of the trees had died from the disease. Trees planted in a large hole were more likely to survive than in a smaller hole (P=0.07) and trees in large holes with fresh organic matter added were the most likely to survive (P=0.04). Trichoderma sprays in the planting hole did not increase survival rates. While growth was initially retarded by adding fresh yardwaste to the hole, in later years none of the treatments affected growth rates.

Read Full Article HTML DOI: 10.29328/journal.jpsp.1001031 Cite this Article Read Full Article PDF

Keywords:

Armillaria mellea; Yardwaste; Trichoderma; Planting hole; Peach; Prunus persica

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