defoliation. However, it is mainly the great quantity of honey-dew that causes the damage because of the sooty mould that grows on it. Ants are also…
flowers on the spadix. Standard varieties of anthuriums are recognized by its uniform colours and heart-shaped spathes. In many markets, red is the…
fastidiosa is a gram-negative bacterium which is limited to xylem tissue. It has many hosts, many of which show minor or no symptoms. More and more…
apple pest. It is probably of North American origin and has been distributed to other parts of the world mainly via infested apple rootstocks. It can…
oleracea var. italica Broccoli About Broccoli is a tasty, green plant. When it comes to botanical classification, the broccoli plant is categorized as…
jaw on the flower (bite marks) turn brown within one to four hours and make it possible to check the bumblebees' work. A single visit results in the…
used commercially in greenhouses and Koppert’s very first product in 1967. It is a specialist predator of spider mites and can control spider mite…
task is to fertilize the females and as soon as a male emerges from its cocoon, it goes in search of a female. A fertilized female lays several…
and is usually cultivated as an annual plant. In tropical climates however, it can be grown as a perennial and can produce a ratoon crop for as long…
pop bean, or snap bean) is a herbaceous annual plant. Botanically speaking, it belongs to the legume family Fabaceae , together with other Phaseolus…
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