• Poinsettia. Main pest pressures

  May 21, 2019

  Amblyseius swirskii Entonem Steinernema feltiae Horiver Wetstick Poinsettia: Main pests and strategy Sciarid fly Sciarid fly, commonly known as fungus gnats [...] whitefly , Bemisia tabaci , a non-native notifiable pest, are reported to be the main pest pressures. However, over the last few years, the cabbage whitefly, Aleyrodes

• Cyclamen main pest pressures

  May 17, 2019

  Macrocheles robustulus Thripex Neoseiulus cucumeris Horiver Wetstick Cyclamen: Main pests and control strategies. Thrips There are many species of thrips, but

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• Tomato leafminer

  the family of Gelechiidae . It is oligophagous, feeding mainly on Solanaceae species . The main host is tomato but it also feeds on other solanaceous crop