California Pest Rating Bermuda grass (Cynodon dactylon) Pest Rating: D | Proposed Seed Rating: None PEST RATING PROFILE Initiating Event: A new find of this plant submitted to the Plant Laboratory for identification. History & Status: Background: Bermuda grass is a long-lived, warm season turf grass. It is a densely spreading perennial, with deeply penetrating roots … Continue reading Bermuda grass (Cynodon dactylon)
California Pest Rating for Pinnaspis strachani (Cooley): Lesser Snow Scale Hemiptera: Diaspididae Pest Rating: A PEST RATING PROFILE Initiating Event: Pinnaspis strachani is frequently intercepted by CDFA. A pest rating proposal is required to support the permanent pest rating. History & Status: Background: Pinnaspis strachani is a highly polyphagous armored scale insect that feeds on … Continue reading Lesser Snow Scale | Pinnaspis strachani (Cooley)
Paragraph Weeds are simply an unwanted plant in the wrong place, at the right time. The weeds can directly and indirectly impact agricultural crops and are just as costly to the environment as any other unwanted species. Weeds are simply an unwanted plant in the wrong place, at the right time. The weeds can directly … Continue reading Weeds
Plant diseases can be caused by several pathogenic microorganisms including fungi, bacteria, viruses, viroids, phytoplasmas and plant parasitic nematodes. In California, several plant pathogens have evolved with native plants and consequently, caused little damage. However, many other pathogens are either not present or have only been newly discovered within the State. Without effective regulations in … Continue reading Plant Pathogens
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