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Crop Protection Compendium

The world’s most comprehensive site for information on crop pests

Changes to Compendia distribution data: the distribution tables, maps and references in datasheets have been restructured to handle the data better for updating and align with a geographic standard. Further details are available on the About page.

PRA Tool for plant commodity and pest-initiated Pest Risk Analysis. Available as an addition to the CPC.

Horizon Scanning Tool for prioritizing invasive species threats.

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The following description is adapted from Acevedo-Rodríguez (2005):Slightly woody vine, twining, attaining 1-2 m in length. Stems cylindrical,...


The following description is adapted from Dransfield and Beentje (1995):Graceful clustering dioecious palm in tufts of 4-20 plants. Stems 1-7 m high,...


Woody perennial vine or shrub (or small tree), erect or clambering, attaining a height of up to 12 m and a width of 7 m. Branches pilose, with...


The following description is from Cook et al. (2005): An extremely variable perennial clump grass, with short, fibrous, knotty rhizomes and deep,...

Cover for Maranta arundinacea (arrowroot)

Perennial, erect herb, 0.5-1.5 m tall, shallow-rooted, with rhizomes penetrating more deeply into the soil. Rhizomes fleshy, cylindrical, 5-40 x 2-5...

Cover for Aleurocanthus spiniferus (orange spiny whitefly)

Feeding by A. spiniferus causes general weakening and eventual death of heavily infested plants owing to sap loss and development of sooty mould...


A disease almost unknown prior to 1944 (Romanko, 1957), Bipolaris victoriae is a potentially destructive disease of oats (it reduced the Iowa oat...

Cover for Phytophthora ramorum (Sudden Oak Death (SOD))

Phytophthora ramorum is considered an invasive species due to its ability to spread, persist, and reproduce in new environments. Its rapid...


Description from Munir (1987), Flora of China Editorial Committee (2016) and Wagner et al. (1999): A prostrate shrub 10-40 (-90) cm high, spreading...

Cover for Cissus quadrangularis (treebine)

A perennial herbaceous climber. Stem thick, succulent, quadrangular, angles winged, constricted at nodes, glabrous or slightly downy, almost leafless...

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