• American serpentine leaf miner

  January 1, 1970

  down into the mesophyll tissue where damage is caused by extensive mines, leaving the outer layers of the leaf intact. Shortly before pupating, the grown larva [...] exit hole in the leaf with its mouth parts. After roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning [...] and potato. In greenhouses, it is mainly found on gerbera and chrysanthemum. Today the insect is widespread across the whole world. Damage symptoms Leaf

• Obscure mealybug

  January 1, 1970

  wax, the filaments around the body are longer (20-50% of the body size) and the two tail filaments are always markedly longer than the others. The obscure [...] their name from the fact that the body of the females from the third nymphal instar onwards are covered with a white waxy material in the form of powder [...] less active. From the second instar onwards the life cycle of males anf females is completely different. After the second instar, the males form a dark

• Anthurium

  January 1, 1970

  About The anthurium is a flowering, perennial plant and has beautiful, long lasting flowers that come in a variety of colours. However, the ‘flower’ is [...] flowers on the spadix. Standard varieties of anthuriums are recognized by its uniform colours and heart-shaped spathes. In many markets, red is the most popular [...] popular colour. Other types include the obake anthuriums which are larger than the standard ones and their spathe has a more prolonged shape that comes

• Two-spotted spider mite

  January 1, 1970

  to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck out the contents. The empty [...] as more cell sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface can [...] to loss of the crop. The nymphs and adults also produce webs, and plants can get completely covered with such webs in which the mites live. The webbing and

• Leek moth

  January 1, 1970

  hatching, the young larva explores the surface and mines the green leaves. On reaching the third instar, the larva penetrates the young leaves, the flower [...] spun on the surface of the leaves or on the flower-stalk of the host plant. The pupa is 7-8 mm long, its colour varies from light yellow in the beginning [...] colour is grey-brown with a typical white triangle in the middle of the posterior edge of the forewings. The hindwings are uniformly grey. The moth are

• Barley

  January 1, 1970

  About This cereal grain is grown in temperate regions worldwide. It is one of the four most important cereal corps grown in the world, next to wheat, rice [...] rice and maize. Barley (Hordeum vulgare) is a member of the grass family and a self pollinating crop. Barley is used in brewing beer, a popular source of

• Fruit grower uses Natupol Tripol for outdoor pollination

  January 1, 1970

  ‘Although the weather has been unpredictable these last few years, we make sure to place our order for the hives in good time for the blossoms. The provision [...] of their apple and pear orchards. Situated in the Betuwe fruit growing region of the Netherlands, the 80-hectare orchard grows apples on 45 hectares and [...] include Conference, Tessa and Migo. ‘Our oldest apple plot is 15 years old and the youngest is one year old,’ Alfred explains. ‘We constantly innovate and

• Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

  January 1, 1970

  witnessed the effect of Koppert’s nematode product Entonem on the oak processionary caterpillar . ‘We’ve been using nematodes for years. The product is our preferred [...] advocate Wolterinck BV is a staunch advocate of Entonem against the oak processionary caterpillar. Ivo de Groot continues, ‘The product has a guaranteed [...] Wolterinck BV in Beltrum, the Netherlands, is a specialist in tree care and weed control and works on behalf of local authorities and governmental bodies

• Grapes

  January 1, 1970

  to the production of wine, but also table grapes. Still, cultivars of the Vitis vinifera are the basis of wine production around the world. All the usual [...] About The common grape vine ( Vitis vinifera ) is a species of Vitis . The plant comes originally from the Mediterranean region, central Europe and so [...] in Morocco and Portugal, southern Germany and Iran. The grape is the fruit of this plant and is actually a berry. Grapes are consumed fresh and they are

• Montdo-Mite

  January 1, 1970

  before use Push the centre of the cap to open the dosage hole Carefully sprinkle material on leaves Make sure the material remains on the leaves for at least [...] Natutec Airobug Dosage The dosage of Montdo-Mite depends on climate, crop and pest density and should always be adjusted to the particular situation. Start [...] Start introduction as soon as the first pests are detected in the crop. Introduction rates typically range from 25-300 per m 2 /release. Releases should