<![CDATA[Image RSS Feed for Image Collection 93431 - First Detector Field Guide—thousand cankers disease - Selected Images only]]> http://www.ipmimages.org/collections/viewcollection.cfm?id=93431 Thousand cankers disease

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Thu, 28 Mar 2024 18:49:31 -0400 Thu, 28 Mar 2024 18:49:31 -0400 http://Images.bugwood.org/ <![CDATA[<p>Canker and walnut twig beetle gallery on black walnut (<em>Juglans nigra</em>).</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5518026 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5518026 Canker and walnut twig beetle gallery on black walnut (Juglans nigra).

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<![CDATA[<p>Symptom of TCD--thinning and dieback.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5491420 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5491420 Symptom of TCD--thinning and dieback.

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<![CDATA[<p>Cankers on black walnut (<em>Juglans nigra</em>).</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5491416 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5491416 Cankers on black walnut (Juglans nigra).

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<![CDATA[<p>Cankers on black walnut caused by TCD.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5491410 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5491410 Cankers on black walnut caused by TCD.

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<![CDATA[<p>Dieback in top of tree is characteristic of TCD.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488412 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488412 Dieback in top of tree is characteristic of TCD.

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<![CDATA[<p>Symptoms--dieback and yellowing.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488411 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488411 Symptoms--dieback and yellowing.

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<![CDATA[<p>Dieback starts at top and moves downward.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488409 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488409 Dieback starts at top and moves downward.

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<![CDATA[<p>Numerous coalescing cankers beneath bark.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488408 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488408 Numerous coalescing cankers beneath bark.

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<![CDATA[<p>TCD does not harm quality of the wood, so is at great risk of spread by movement of beetle-infested wood to new locations.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488407 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5488407 TCD does not harm quality of the wood, so is at great risk of spread by movement of beetle-infested wood to new locations.

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<![CDATA[<p>Symptoms of advanced decline on a mature black walnut.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5458334 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5458334 Symptoms of advanced decline on a mature black walnut.

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<![CDATA[<p>Symptoms of flagging and dieback on a mature black walnut.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5458329 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5458329 Symptoms of flagging and dieback on a mature black walnut.

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<![CDATA[<p>Chipped wood from black walnut killed by TCD. Many walnut twig beetle larvae and adults survived in the larger chips.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406106 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406106 Chipped wood from black walnut killed by TCD. Many walnut twig beetle larvae and adults survived in the larger chips.

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<![CDATA[<p>Large trunk cankers common in end stage of TCD.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406104 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406104 Large trunk cankers common in end stage of TCD.

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<![CDATA[<p>Large trunk cankers common in end stage of TCD.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406066 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406066 Large trunk cankers common in end stage of TCD.

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<![CDATA[<p>Branch cankers that have developed around walnut twig beetle galleries.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406089 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406089 Branch cankers that have developed around walnut twig beetle galleries.

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<![CDATA[<p>Black walnuts recently killed by TCD.</p>]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406069 thousand cankers disease Geosmithia morbida]]> http://www.ipmimages.org/browse/detail.cfm?imgnum=5406069 Black walnuts recently killed by TCD.

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