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Bruchidius villosus is a species of bean weevil known by the common names broom seed beetle and Scotch broom bruchid. This beetle is used as an agent of biological pest control against the noxious weed known as Scotch broom (Cytisus scoparius). This is a dark gray weevil about two millimeters long.
Leucoptera spartifoliella is a species of moth in family Lyonetiidae known by the common name Scotch broom twig miner. It is used as an agent of biological pest control against the noxious weed known as Scotch broom (Cytisus scoparius). [1] [2] Pupa. The adult is a tiny white moth about four millimeters long.
Exapion fuscirostre (formerly Apion fuscirostre) is a species of straight-snouted weevil known by the general common name Scotch broom seed weevil. It is used as an agent of biological pest control against the noxious weed known as Scotch broom ( Cytisus scoparius ).
Cytisus scoparius (syn. Sarothamnus scoparius), the common broom or Scotch broom, is a deciduous leguminous shrub native to western and central Europe. [2] In Great Britain and Ireland, the standard name is broom; [3] [4] [5] this name is also used for other members of the Genisteae tribe, such as French broom or Spanish broom; and the term common broom is sometimes used for clarification.
Doses that provide the most control of the disease also provide the largest selection pressure to acquire resistance. [8] In some cases, the pathogen evolves resistance to multiple fungicides, a phenomenon known as cross resistance. These additional fungicides typically belong to the same chemical family, act in the same way, or have a similar ...
The primary symptom of cavity spot is small half-inch lesions on the roots of the plant. This disease is treated with metalaxyl which allows for almost complete control of the disease. Without metalaxyl studies have found 50–60% of the carrot crop will be infected; after metalaxyl application, incidence is under 1%.
Insecticidal soap is used to control many plant insect pests. Soap has been used for more than 200 years as an insect control. [1] Because insecticidal soap works on direct contact with pests via the disruption of cell membranes when the insect is penetrated with fatty acids, the insect's cells leak their contents causing the insect to dehydrate and die. [2]
Cystotheca lanestris, the live oak witch's broom fungus, is a species of mildew that infects buds and induces stem galls called witch's brooms on oak trees in California, Arizona, and Mexico in North America. [2] [3] Witch's brooms are "abnormal clusters of shoots that are thickened, elongated, and highly branched."
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