Genetic differentiation and heterozygosity in pinyon pine associated with resistance to herbivory and environmental stress

S. Mopper, J. B. Mitton, Thomas G Whitham, Neil S Cobb, K. M. Christensen

Research output: Contribution to journalArticle

89 Citations (Scopus)

Abstract

At Arizona's Sunset Crater Pinus edulis colonizing the cinder fields are faced with a highly stressful environment. Many of these pinyons suffer chronic, intense insect herbivory that reduces plant growth and eliminates female cone production. Herbivory among pinyons growing in neighboring sandy-loam soils is minimal. Numerous trees within the heavily infested cinder field population suffer relatively low herbivory and maintain normal growth and reproduction. Resistant trees display significant genetic differences and are more heterozygous for two enzymes associated with herbivory than susceptible trees. Cinder-soil pinyons exhibit significant genetic differences and are more heterozygous for an enzyme associated with environmental stress than the neighbouring sandy-loam soil pinyons. -from Authors

Original languageEnglish (US)
Pages (from-to)989-990
Number of pages2
JournalEvolution
Volume45
Issue number4
StatePublished - 1991
Externally publishedYes

Fingerprint

Herbivory
environmental stress
herbivory
genetic differentiation
heterozygosity
herbivores
Pinus
genetic variation
Soil
sandy loam soils
sandy loam
Pinus edulis
enzyme
seed cones
Enzymes
Growth
enzymes
crater
Reproduction
Insects

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Agricultural and Biological Sciences (miscellaneous)
  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Ecology
  • Genetics(clinical)

Cite this

Genetic differentiation and heterozygosity in pinyon pine associated with resistance to herbivory and environmental stress. / Mopper, S.; Mitton, J. B.; Whitham, Thomas G; Cobb, Neil S; Christensen, K. M.

In: Evolution, Vol. 45, No. 4, 1991, p. 989-990.

Research output: Contribution to journalArticle

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AU - Christensen, K. M.

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