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2016 December issue of Arborist News
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  • 2016 December issue of Arborist News
CEUs are available for this product.

Understanding Tree Responses to Abiotic and Biotic Stress Complexes CEU Quiz

By Daniel A. Herms

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This item is free to members through December 2017. Until then, it is not available to non-members.

The idea that rapidly growing trees are the most pest resistant and stress tolerant is highly ingrained. But is that always true? Trees face both abiotic and biotic attacks daily, and studies are beginning to question just how resistant they are, and whether cultural practices generally thought to help growing trees may in fact increase the stresses they face. (Original story by Daniel A. Herms)
(1 CEU A,Bs)

*CEUs for this quiz may be earned only once during the life of your certification.

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