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The pear slug or cherry slug is the larva of the sawfly, Caliroa cerasi, a nearly worldwide pest. The species was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. They are not slugs but are a kind of sawfly of the family Tenthredinidae. The pear slug is an important pest that eats leaves of cherry, pear ...
Peach tree leaves displaying various stages of the shot hole disease: brown spots on the leaf with conidium holders in the middle (center) that eventually fall off, leaving BB-sized holes behind (left) Shot hole disease of apricot leaves. The fungal pathogen Wilsonomyces carpophilus affects members of the Prunus genera. Almond, apricot ...
Cherry X disease also known as Cherry Buckskin disease is caused by a plant pathogenic phytoplasma.Phytoplasmas are obligate parasites of plants and insects. They are specialized bacteria, characterized by their lack of a cell wall, often transmitted through insects, and are responsible for large losses in crops, fruit trees, and ornamentals. [1]
Pest control methods include: chemical, biological, and eradication by physical means. [5] Biological control entails using predators and endoparasites to rid trees of larvae, chemical control entails the use of diluted chemicals to kill the larvae, while physical control methods include burning or burying overwintering larvae, or physically ...
Long-distance spread of the disease occurs through the planting of infected trees, as well as budding and grafting of infected tissue. To prevent the establishment of the disease, guidelines typically call for testing of rootstocks and budwood before planting, removal of all trees known and suspected to be infected and eradication of ornamental and wild cherry trees from the surrounding area.
Yields for the unsprayed trees that survived were 36 pounds per tree. Sprayed trees yielded nearly three times more than the controls with 107 pounds per tree. [22] Additional research conducted in the 1940s demonstrated that it was absolutely necessary to monitor and control leaf spot through preventative sprays and measures.
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The main components of forest integrated pest management are how pest populations change over time, forest stand susceptibility and resistance to pests, pest impact on crop value, and control strategies. Forest IPM is designed to provide the information needed to deal with multiple pest problems in a way that promotes forest management objectives.
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