Poinsettia. Main pest pressures

Cyclamen main pest pressures

Cyclamen: Main pests and control strategies. Thrips There are many species of thrips, but Frankliniella occidentalis , or western flower thrips (WFT),

Woolly apple aphid

seen, mainly on spurs and branches. Many generations occur during the summer months, also on new growth. Water shoots arising from the trunk or main branches [...] North American origin and has been distributed to other parts of the world mainly via infested apple rootstocks. It can occasionally also be found in pear [...] branches, are very frequently attacked. The aphids mainly spread through young, wingless nymphs which crawl or are blown by the wind from tree to tree. Sometimes

Maize

corn ( Zea mays subsp. mays ), is a large grain plant that divided in six main types: flint corn, dent corn, popcorn, pod corn, sweet corn and flour corn [...] domesticated by the indigenous communities in Mexico and it still plays a main role in the preparation of Mexican food dishes. The leafy stalk of the maize

Sciarid flies

crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly found in commercial mushroom cultivation where they can cause enormous damage [...] growing plant material. Damage symptoms The larvae of sciarid flies feed mainly on organic remains and the fungi that grow on them, although some species [...] is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and on algae and fungi present in the soil. They

European red mite

General As the name implies, the European red mite, Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack [...] Life cycle and appearance of European red mite The European red mite feeds mainly on the undersides of leaves but moves to upper leaf surfaces when the lower

Broad mite

plant cells, secrete substances that disturb local growth. Leaf feeding is mainly concentrated on the underside near the leaf stalk, which tends to cause [...] becomes so dense that there is no more green tissue visible. In most cases, the main veins are untouched, causing them to stand out as a green pattern against [...] brown leaf tissue. Brown, corky patches can appear on the leaf stalks and main stems. The growing tips of affected plants acquire a misshapen appearance

Oat

commonly in livestock feed, especially for horses to boost their energy. It is mainly grown in temperate regions and is a nutrient-rich food. In human consumption

Chrysanthemum

produced for commercial, horticultural purposes. Traditionally, yellow is the main colour of this flowering plant. Nowadays, a wide range of other colours is

Flies

soft fruits in Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist [...] problem due to their large number. Larvae of flies of the family Keroplatidae (mainly Lyprauta sp.) can cause damage in potted orchids. The Spotted Wing Drosophila