NDLI: Plant Evolution: Toward an Adaptive Theory

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Plant Evolution: Toward an Adaptive Theory

Content Provider	Scilit
Author	Amzallag, G. N.
Copyright Year	2018
Description	A common attitude is to admit the possibility of direct adaptive changes in principle but to ignore, dismiss or minimize the significance of the evidence that they occur. A large variability in tolerance to a constraint is generally observed in natural populations; hence, one may expect a progressive selection toward preadapted individuals. The differentiation of ecotypes adapted to toxic concentrations of heavy metals is well documented. The formation of salt-adapted ecotypes has been less investigated than emergence of heavy-metal-tolerant genotypes, probably because the progressive differentiation of salt-adapted ecotypes is more difficult to follow. Physiological adaptation to salinity has long been described. An increase in salinity tolerance in cotton has been reported following gradual pretreatments with moderate concentrations of NaCl. Environmental constraints are able to induce adaptive, transmissible changes in physiology and development. This evidence asks for a reexamination of the role of natural selection and of physiological adaptation in the evolutionary process. Book Name: Plant Responses to Environmental Stresses
Related Links	https://content.taylorfrancis.com/books/download?dac=C2006-0-08743-2&isbn=9780203743157&doi=10.1201/9780203743157-10&format=pdf
Ending Page	246
Page Count	76
Starting Page	171
DOI	10.1201/9780203743157-10
Language	English
Publisher	Informa UK Limited
Publisher Date	2018-04-27
Access Restriction	Open
Subject Keyword	Book Name: Plant Responses To Environmental Stresses Entomology Physiology Differentiation Evolution Tolerance Constraint Adapted Ecotypes
Content Type	Text
Resource Type	Chapter

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