Proposals by E. T. Wherry (Philadelphia)

Wherry, Edgar T.

doi:10.2307/1217497

Cited by 10 publications

(17 citation statements)

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“…Such factors include soil fertility (Cook, 1868;Redfield, 1889aRedfield, , 1889bSmock, 1892;Clute, 1914;vs. Gifford, 1895;Pinchot, 1899;Andresen, 1959); soil pH (Wherry, 1931;vs. Lutz, 1934;Andresen, 1959); soil toxicity (Joffe and Watson, 1934;Tedrow, 1952;vs.…”

Section: On the Location Of The Pine Plainsmentioning

confidence: 99%

“…Andresen, 1959); soil aridity (Gifford, 1895;Pinchot, 1899;Harshberger, 1916Harshberger, , 1925vs. Lutz, 1934;McCormick and Buell, 1968); soil microorganisms (Harshberger, 1916;Wherry, 1931;vs. Lutz, 1934;Andresen, 1959;McCormick and Buell, 1968); subsoil hardpan (Gifford, 1895;Pinchot, 1899;Harshberger, 1914aHarshberger, , 1914bHarshberger, , 1916Harshberger, , 1917Harshberger, , 1918Harshberger, , 1925vs.…”

Section: On the Location Of The Pine Plainsmentioning

confidence: 99%

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Serotiny, Geography, and Fire in the Pine Barrens of New Jersey

Givnish

1981

Evolution

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Section: On the Location Of The Pine Plainsmentioning

confidence: 99%

Section: On the Location Of The Pine Plainsmentioning

confidence: 99%

Serotiny, Geography, and Fire in the Pine Barrens of New Jersey

Givnish

1981

Evolution

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“…0.3) P. cuspidata, where the number of lethal equivalents per zygote is 0.05 (Levin, 1989). This species is the only wild selfing Phlox; and its closest ally is P. drummondii (Wherry, 1955), with which it hybridizes and exchanges genes (Levin, 1967(Levin, , 1975. Phlox cuspidata ostensibly evolved from an outbreeder like P. drummondii.…”

Section: Discussionmentioning

confidence: 99%

The Effect of Inbreeding on Seed Survivorship in Phlox

Levin¹

1991

Evolution

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“…Phlox cuspidata is morphologically and phenologically similar to P. drummondii (Wherry, 1955). The major differences between the species are in the breeding system and floral morphology.…”

Section: Methodsmentioning

confidence: 95%

INBREEDING DEPRESSION IN PARTIALLY SELF‐FERTILIZING PHLOX

Levin

1989

Evolution

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Inbreeding depression was measured in terms of the relative survivorship of self versus cross seed in 14 Phlox drummondii cultivars and 10 populations of P. cuspidata. The cultivars are predominantly outcrossing; P. cuspidata is predominantly self-fertilizing. The relative survivorship of self versus cross seed averages 0.84 in the cultivars and 0.99 in P. cuspidata. In wild P. drummondii, the average is 0.83. The mean number of lethal equivalents per zygote averages 0.69 in the cultivars and 0.05 in P. cuspidata, versus 0.79 in the wild P. drummondii. There is a significant negative correlation between the amount of automatic self-seed produced by a cultivar and the number of lethal equivalents it carries (r = -0.60). Phlox cuspidata has a lower level of cross-seed abortion than P. drummondii, which probably is not due to a difference in the incidence of lethal genes in their populations.

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Proposals by E. T. Wherry (Philadelphia)

Cited by 10 publications

References 0 publications

Serotiny, Geography, and Fire in the Pine Barrens of New Jersey

Serotiny, Geography, and Fire in the Pine Barrens of New Jersey

The Effect of Inbreeding on Seed Survivorship in Phlox

INBREEDING DEPRESSION IN PARTIALLY SELF‐FERTILIZING PHLOX

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