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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>J. L. Chambers</dc:contributor>
  <dc:contributor>M. Stine</dc:contributor>
  <dc:creator>J. A. Allen</dc:creator>
  <dc:date>1994</dc:date>
  <dc:description>&lt;p&gt;&lt;span&gt;Three major themes related to the improvement of&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;in&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;forest&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tree&lt;/span&gt;&lt;span&gt;&amp;nbsp;species are examined. First, evidence demonstrating that substantial intraspecific variation in&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;exists in many species is presented. This evidence is important because it suggests that efforts to improve&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;through conventional plant breeding techniques are justified. Second, the physiological and genetic mechanisms controlling&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;are discussed briefly. Although&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;involves the integration of numerous physiological processes, there is considerable evidence that differences in the ability to exclude Na&lt;/span&gt;&lt;sup&gt;+&lt;/sup&gt;&lt;span&gt;&amp;nbsp;and Cl&lt;/span&gt;&lt;sup&gt;-&lt;/sup&gt;&lt;span&gt;&amp;nbsp;from leaves are the most important factors underlying intraspecific differences in&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;. It is also becoming apparent that, although&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;is a multigenic trait, major genes play an important role. Third, progress to date in improving&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;of&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;forest&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tree&lt;/span&gt;&lt;span&gt;&amp;nbsp;species is assessed. Compared with agricultural crops, relatively little progress has been made with either conventional or biotechnological methods, but field trials designed to test clones identified as&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;tolerant in screening trials are underway now in several countries. We conclude that there is justification for cautious optimism about the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;prospects&lt;/span&gt;&lt;span&gt;&amp;nbsp;for improving&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;salt&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tolerance&lt;/span&gt;&lt;span&gt;&amp;nbsp;in&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;forest&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;tree&lt;/span&gt;&lt;span&gt;&amp;nbsp;species. © 1994 Heron Publishing.&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1093/treephys/14.7-8-9.843</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Oxford Academic</dc:publisher>
  <dc:title>Prospects for increasing the salt tolerance of forest trees: A review</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>