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Comparison of 6 geographic sources of loblolly pine pinus taeda for fusiform rust resistance

Powers, H.R.Jr; Matthews, F.R.

Phytopathology 70(12): 1141-1142

1980

ISSN/ISBN: 0031-949X
Accession: 005004535
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Loblolly pine seedlings grown from seed collected in 6 geographic areas [Maryland, Louisiana, Texas, Arkansas, Florida, Georgia, USA] across the natural range of this species were inoculated with rust fungi [Cronartium quercuum f. sp. fusiforme] collected from each seed source area. There were significant differences in disease susceptibility among seed sources; the Maryland source was the most resistant. The interactions between specific seed sources and rust fungus collections were highly significant, which indicated that seed from several of the sources can be used to reduce the impact of fusiform rust. Seedlings from all seed source areas were most susceptible to infection by their respective local rust fungus isolates.

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Related References

Powers, H.R.J.; Matthews, F.R. 1980: Comparison of six geographic sources of loblolly pine for fusiform rust resistance Phytopathology 70(12): 1141-1143
Miller, T.; Powers, H.R.Jr 1983: Fusiform rust resistance in loblolly pine pinus taeda artificial inoculation vs. field performance Plant Disease 67(1): 33-34
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Borders, B.E.; Bailey, R.L. 1986: Fusiform rust prediction models for site prepared slash pine pinus elliottii and loblolly pine pinus taeda plantations in the southeast usa Southern Journal of Applied Forestry 10(3): 145-151
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Lu, S.; Sun, Y-Hsuan.; Amerson, H.; Chiang, V.L. 2007: MicroRNAs in loblolly pine (Pinus taeda L.) and their association with fusiform rust gall development Plant journal: for cell and molecular biology 51(6): 1077-1098
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