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Specific replant disease (also known as sick soil syndrome) is a malady that manifests itself when susceptible plants such as apples, pears, plums, cherries and roses are placed into soil previously occupied by a related species. The exact causes are not known, but in the first year the new plants will grow poorly.
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 mosaic virus (ApMV) is a plant pathogenic virus of the family Bromoviridae. It is named after its symptoms that were first present on apples. [ 1 ] ApMV is a positive sense RNA based virus. [ 1 ]
USDA PLANTS Database: California State Noxious Weeds List; Cal-IPC: California Invasive Plant Council homepage + information. Cal-IPC: CalWeedMapper; California Native Plant Society—CNPS: Invasive Weeds + links. UC IPM" Invasive Plants of California — managing invasive plants. PlantRight.org: address and stop sale of invasive garden plants ...
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.
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Cuscuta pacifica var. papillata, a parasitic plant found only in the salt marshes of Mendocino county; Eriogonum kelloggii, a species of buckwheat found only on Red Mountain near Leggett; Harmonia guggolziorum, a flowering aster found in two locations near Hopland; Limnanthes bakeri, a meadowfarm plant known in only 20 locations near Willits