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In southern Germany apple and pear trees have been a part of the landscape for a long time, and are difficult to protect. The decline of apple and pear trees from their landscape can be expensive to replace and could have a negative effect on tourism. In the long-run, fire blight is a very important factor of economy and society. [citation needed]
Phosmet is a phthalimide-derived, non-systemic, organophosphate insecticide used on plants and animals. It is mainly used on apple trees for control of codling moth, though it is also used on a wide range of fruit crops, ornamentals, and vines for the control of aphids, suckers, [clarification needed] mites, and fruit flies.
Colchicine poisoning has been compared to arsenic poisoning; symptoms typically start two to five hours after a toxic dose has been ingested but may take up to 24 hours to appear, and include burning in the mouth and throat, fever, vomiting, diarrhea, abdominal pain, and kidney failure. Onset of multiple-system organ failure may occur within 24 ...
Pests differ in their means of attack and extent of damage. For example, defoliating insect (spongy moth) may weaken trees but not directly cause mortality, while boring insects (emerald ash borer) can often cause serious damage. A pathogen may slowly weaken a tree (beech bark disease) or it may cause rapid decline (chestnut blight).
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An apple is a round, edible fruit produced by an apple tree (Malus spp., among them the domestic or orchard apple; Malus domestica). Apple trees are cultivated worldwide and are the most widely grown species in the genus Malus. The tree originated in Central Asia, where its wild ancestor, Malus sieversii, is still found.
The fruit or "apple" is usually produced early in summer and ripens later in summer. Many species of plants have mycorrhizae to assist with nutrient uptake in infertile conditions. Mayapple plants are considered obligately dependent upon such mycorrhizae, although it may also be facultatively dependent upon rhizome age and soil nutrient levels ...
A well-connected couple in Maine who allegedly poisoned trees that blocked a view of the ocean have drawn the ire of their small community and even sparked an investigation by the state attorney ...