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Geographic Variation in Melampsora Rust Resistance in Eastern Cottonwood in the Lower Mississippi ValleyAuthor(s): D. T. Cooper; T. H. Filer
Source: In: Proceedings of the Tenth Central States Forest Tree Improvement Conference. 146-151.
Publication Series: Paper (invited, offered, keynote)
Station: Southeastern Forest Experiment Station
PDF: View PDF (426.33 KB)
DescriptionEastern cottonwood clones originating from 36 young natural stands along the Mississippi River from Memphis, Tennessee, to Baton Rouge, Louisiana, were evaluated in a nursery near Greenville, Mississippi for resistance to Melampsora rust. In general, the northern sources had more rust and were more variable in rust susceptibility than the southern sources. Eleven percent of the clones from the 6 northernmost sources and 0.5 percent of the clones from the 24 southernmost sources appeared to be highly resistant to rust. Clones with slightly less rust resistance were about evenly distributed over the geographic range.
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CitationCooper, D. T.; Filer, T. H. 1976. Geographic Variation in Melampsora Rust Resistance in Eastern Cottonwood in the Lower Mississippi Valley. In: Proceedings of the Tenth Central States Forest Tree Improvement Conference. 146-151.
KeywordsPopulus deltoides, Melampsora medusae
- Populus deltoides Bartr ex Marsh.
- The influence of alternative plant propagation and stand establishment techniques on survival and growth of eastern cottonwood (Populus deltoids Bartr.) clones
- Shoot Morphogenesis Associated With Flowering in Populus deltoides (Salicaceae)
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