Effect of Short-Term Storage of Triadimefon-Treated Loblolly Pine Seed on Incidence of Fusiform Rust

Author: Kelley, Walter D.

Source: Southern Journal of Applied Forestry, Volume 12, Number 1, 1 February 1988 , pp. 18-20(3)

Publisher: Society of American Foresters

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Abstract:

Protection from fusiform rust, caused by Cronartium quercuum (Berk.) Miyabe ex Shirai f. sp. fusiforme Burdsall and Snow, on emerging seedlings of loblolly pine (Pinus taeda L.) was not diminished by storing the treated seeds up to 24 days before sowing. Young seedlings were inoculated with basidiospores of C quercuum f. sp. fusiforme 31 days after seeds were sown, and seedlings were examined for rust galls 7 months later. No galls were found on seedlings from seed dressed with triadimefon, regardless of length of storage. Percentages of seedlings with galls from seeds subjected to the triadimefon seed soak ranged from 12% (0 days storage) to 2% (24 days storage). Sixty-three percent of the seedlings from nontreated control seeds had galls. South. J. Appl. For. 12(1):18-20

Document Type: Journal article

Affiliations: 1: School of Forestry, Auburn University, AL 36849

Publication date: 1988-02-01

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