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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]
Apple trees in the valleys, due to the early spring warm up, put out gobs of apple blossoms, some at the end of April, and more in early May. And of course earliest on the southern slopes.
Removing all junipers within the 4–5 miles (6.5–8 km) would provide complete control of the disease. [10] Additionally, pruning and disposing of galls from infected cedar trees would reduce sources of inoculum for infection of apple trees, however this would likely be time consuming and uneconomical. [6]
Five years after the first light brown apple moth was found in California, the state eliminated funding for inspection and monitoring, due to the statewide budget problems in 2012. [15] The federal government funded the inspection program, and farmers were left to use pesticides to kill moth infestations at their own expense.
The adults of Eriosoma lanigerum are small to medium-sized aphids, [4] up to 2mm long, and have an elliptical shape, are reddish brown to purple in colour but the colour is normally hidden by the white cotton-like secretion from the specialised glands in the aphid's abdomen which gives it the common name of woolly apple aphid.
A fire near Southern California's downtown Malibu ignited late Monday and is spreading quickly, prompting mandatory evacuations and threatening structures, including the city's iconic Malibu Pier.
A 1920 study showed that apple maggot eggs were parasitized by Anaphoidea conotrecheli, which is a common egg parasite of plum curculio and grape curculio. The study states that the abundance of Anaphoidea conotrecheli parasitization of apple maggot eggs would depend on the abundance of the eggs of its principal host, the plum curculio. [11]
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