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Apple dwarf (Malus platycarpa) Apple stem pitting virus (ASPV) (? not US/CAN) Apple flat apple genus Nepovirus, Cherry rasp leaf virus (CRLV) Apple mosaic genus Ilarvirus, Apple mosaic virus (ApMV) genus Ilarvirus, Tulare apple mosaic virus (TAMV) Apple stem grooving = Apple decline of Virginia crab genus Capillovirus, Apple stem grooving virus ...
To find out the best and safest way to prune apple trees, we chatted with an expert arborist and the owner of an orchard. Both shared their tips for pruning apple trees to keep them happy and ...
Apple scab is a common disease of plants in the rose family that is caused by the ascomycete fungus Venturia inaequalis. [1] While this disease affects several plant genera, including Sorbus, Cotoneaster, and Pyrus, it is most commonly associated with the infection of Malus trees, including species of flowering crabapple, as well as cultivated apple.
A common technique used in the past is thermotherapy. [1] Since many viruses are sensitive to elevated temperatures, utilizing heat treatment in a controlled growth chamber will deplete the symptoms for the following years. [1] A study by Hunter et al. 1959 was conducted, where buds from virus infected trees were grafted onto healthy trees.
The wind carries the microscopic spores to infect apple leaves, blossoms, fruit and young twigs on trees within a radius of several miles of the infected tree. On other species of juniper more common in landscaping and bonsai, the sizes of the infections are reduced. Early in the infection, the galls are small bumps on the woody portions of the ...
The timing of spring can impact the apple crop, but pruning trees in late-winter will help them maximize their potential, writes Oak Duke. Late winter is the perfect time to trim apple trees. Tips ...
It is good organic rotation practice not to follow "like with like" and this rule applies to long lived trees as much as annual vegetables. In the case of temperate fruit trees, the "pomes and stones" rule for rotation should be observed- don't follow a "pome" fruit (with an apple-type core—apples, pears, medlar , quince ) with a tree from ...
The common earwig is an important predator of many different orchard/ crop pests such as the wooly apple aphid (Eriosoma lanigerum) which is one of the most problematic pests in apple orchards. Research has repeatedly shown that low numbers of common earwigs are associated with wooly apple aphid infestations whereas high numbers of common ...