Development of specific and nonspecific reponses to stress in Pinus sylvestris L. at population level in a gradient of drought years

Development of specific and nonspecific reponses to stress in Pinus sylvestris L. at population... The results of monitoring the types of seed reproduction systems and 12-year experiment on self-pollination in Scots pine have been used to analyze the adaptive reaction norm of three seed-productivity traits: self-fertility coefficient, seed plumpness, and number of seeds per cone. The development of nonspecific and specific responses to stress has been followed in a gradient of years with early droughts (1991, 1995, 2001, 2007, 2012). The results show that the reduction of seed yield and the proportion of inbred progeny and progeny of drought-tolerant forms in annual seed production increase proportionally to the strength of climatic stress experienced by the population. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Development of specific and nonspecific reponses to stress in Pinus sylvestris L. at population level in a gradient of drought years

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Ecology; Environment, general
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413615050136
Publisher site
See Article on Publisher Site

Abstract

The results of monitoring the types of seed reproduction systems and 12-year experiment on self-pollination in Scots pine have been used to analyze the adaptive reaction norm of three seed-productivity traits: self-fertility coefficient, seed plumpness, and number of seeds per cone. The development of nonspecific and specific responses to stress has been followed in a gradient of years with early droughts (1991, 1995, 2001, 2007, 2012). The results show that the reduction of seed yield and the proportion of inbred progeny and progeny of drought-tolerant forms in annual seed production increase proportionally to the strength of climatic stress experienced by the population.

Journal

Russian Journal of EcologySpringer Journals

Published: Aug 21, 2015

References

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