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Printable version; In other projects ... is a system used in plant pathology to assess plant diseases where each plant is ... in estimating the amount of disease ...
Print/export Download as PDF; Printable version; ... Plant disease scales (1 C, 1 P) Pages in category "Plant diseases"
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Plant disease scales" This category contains only the following page.
Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). [1] Organisms that cause infectious disease include fungi , oomycetes , bacteria , viruses , viroids , virus -like organisms, phytoplasmas , protozoa , nematodes and parasitic plants . [ 2 ]
Printable version; In other projects ... Plant disease scales (1 C, 1 P) F. Forest pathology (4 C, ... Plant disease epidemiology;
Mealybugs are insects in the family Pseudococcidae, unarmored scale insects found in moist, warm habitats. Of the more than 2,000 described species, many are considered pests as they feed on plant juices of greenhouse plants, house plants and subtropical trees and also act as a vector for several plant diseases.
California red scale (order Hemiptera: family Coccoidea) Aonidiella aurantii – A hard scale, orange to orange pink, the female covering being less than 1.5 mm across. Often in plague numbers this scale infests upper surfaces of foliage causing yellowing, leaf fall, and twig and branch dieback. Serious infestations can cause plant death.
Printable version; In other projects Wikidata item; Appearance. ... Pages in category "Lists of plant diseases" The following 120 pages are in this category, out of ...