<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Peter Scott</style></author><author><style face="normal" font="default" size="100%">Nari Williams</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Phytophthora diseases in New Zealand forests</style></title><secondary-title><style face="normal" font="default" size="100%">New Zealand Journal of Forestry</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.nzjf.org/abstract.php?volume_issue=j59_2&amp;first_page=14</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">59</style></volume><pages><style face="normal" font="default" size="100%">14-21</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;This article provides a brief overview of the status of &lt;em&gt;Phytophthora&lt;/em&gt; diseases in New Zealand forests. Recent outbreaks of &lt;em&gt;Phytophthora&lt;/em&gt; diseases internationally and within these forests, including Red Needle Cast of &lt;em&gt;Pinus radiata&lt;/em&gt; caused by &lt;em&gt;Phytophthora pluvialis&lt;/em&gt; and &lt;em&gt;Agathis australis&lt;/em&gt; (kauri) dieback caused by &lt;em&gt;Phytophthora&lt;/em&gt; taxon Agathis (PTA), have highlighted the biosecurity threat these species pose to New Zealand. In isolated cases, Red Needle Cast has impacted &lt;em&gt;P. radiata&lt;/em&gt; plantations through the premature defoliation of mature needles. Kauri dieback, caused by &lt;em&gt;Phytophthora&lt;/em&gt; taxon Agathis, has resulted in devastating disease within some sites. Preliminary research indicates that both these diseases will respond to treatment with phosphite, consistent with current international &lt;em&gt;Phytophthora&lt;/em&gt; management. Ongoing research into Red Needle Cast, &lt;em&gt;Phytophthora&lt;/em&gt; taxon Agathis induced kauri dieback and other &lt;em&gt;Phytophthora&lt;/em&gt; diseases within &lt;em&gt;P. radiata&lt;/em&gt; and kauri is focusing on understanding the epidemiology of the diseases, the chemical and genetic mechanisms of resistance, and also screening for durable resistance to multiple &lt;em&gt;Phytophthora&lt;/em&gt; species. Many other &lt;em&gt;Phytophthora&lt;/em&gt; pathogens have been identified within New Zealand. These have not been found to cause serious disease in native or exotic forest systems, despite some being known to cause diseases of great consequence internationally. Significant examples include &lt;em&gt;P. cinnamomi&lt;/em&gt;, &lt;em&gt;P. multivora&lt;/em&gt; and &lt;em&gt;P. kernoviae&lt;/em&gt;. As a result of increased global movement of plant material, New Zealand’s and other international forests are vulnerable to new &lt;em&gt;Phytophthora&lt;/em&gt; diseases. However, through the world’s best practice adaptive management the threat and impacts of these diseases can be reduced.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">2</style></issue></record></records></xml>