• Swirski-Mite LD

  January 1, 1970

  weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Cotton bollworm

  January 1, 1970

  General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton [...] development, the caterpillars damage most fruits by mining. All fruits can be damaged, although the preference is for smaller specimens. The fruits stop [...] long. The first instars are the most mobile, and move like loopers. The caterpillars are often aggressive and cannibalistic. Pupation occurs in the soil

• Swirski-Mite Plus

  January 1, 1970

  weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Impatiens thrips

  January 1, 1970

  deposited in the leaf tissue, while subsequent stages are found on the upper- and undersides of the leaf. Pupation occurs on the leaf rather than on the ground [...] ground. The prepupae and pupae remain immobile on the leaf tissue. Adults are found on both upper- and undersides of the leaves. This species of thrips is [...] piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves

• Tomato russet mite

  January 1, 1970

  are roughly 0.05 mm in diameter and are laid on the underside of leaves, on leaf petioles, and on stems on the lower portion of plants. When newly laid they [...] and affected leaves dry out quickly. The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance [...] belongs to the family Eriophyidae. It does not produce galls but lives freely (vagrant) on tomato plants. Aculops lycopersici was detected for the first time

• Caterpillars

  January 1, 1970

  damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths), which is the largest of all [...] family, the Tortricidae. The name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted [...] are nocturnal. The caterpillars mostly pupate in the ground. Another family containing several species that damage greenhouse crops is the leafroller family

• Swirski Ulti-Mite

  January 1, 1970

  weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Thrips

  January 1, 1970

  causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop [...] in green-houses belong to the family Thripidae. Thrips damage Thrips cause damage to the plant by piercing the cells of the surface tissue and sucking [...] crop. At a later stage, the empty cells become desiccated and the adjacent cells turn brown. The vigour of the plant is also reduced by loss of chlorophyll

• Spical Ulti-Mite

  January 1, 1970

  weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Strawberry

  January 1, 1970

  means that the fleshy, edible part of the fruit does not develop from the plant’s ovaries, but from the receptacle that holds these same ovaries. The so-called [...] so-called ‘seeds’ (achenes) that are visible on the strawberry’s skin, are in reality the ovaries of the flower with a seed inside. [...] About The so-called garden strawberry or Fragaria x ananassa , is nowadays extensively cultivated for its tasty fruit. The particular species of strawberry