• Wheat bunt

  sporidia infect the wheat seedlings even before emergence and the fungi grow inside the plants to the growing tip. The fungi grow between the plant cells and [...] although affected plants may be slightly stunted. Infected (bunted) heads are slender and remain green longer than healthy heads. The glumes are opened either [...] sporidium. Two mating types are distinguished. The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures

• Bumblebee pollination

  guarantees maximum pollination . The Natupol system is the result of over 35 years of accumulated expertise coupled to the latest technology – our best bumblebees [...] last longer. The hive design developed over the years helps bumblebees to save 20% of the energy usually spent on cooling and heating the hive. High quality [...] benefit growers economically but also contribute to the preservation of biodiversity and the overall health of ecosystems Why are bumblebees good pollinators

• Tomato moth

  large holes can be formed in both green and ripening fruit. The second generation of larvae often causes greater loss of fruit than the first. Life cycle [...] along the posterior edge of the forewing. As in most noctuid moths, the hindwing is greyish and lighter than the forewing, with a darker shadow at the margin [...] margin. The antennae are long and thin. Head and thorax are reddish-brown while the abdomen is a lighter grey-brown. The females of the tomato moth (Lacanobia

• Mycotal FAQ

  applied at the end of day or early morning. On cloudy days, the product can also be applied during the day. Humidity levels must be 70%(RH) at the moment of [...] can be formed on the outside of the affected insect which may infect other vulnerable pests. Is the effect visible? Dead, shriveled insects can be found [...] of application and a couple of hours after the application. The humidity within the leaf canopy is often higher than the greenhouse humidity • Favourable

• Lyprauta

  stage. The root damage can also form entry points for pathogens. Life cycle and appearance of Lyprauta The adults of the three species can be distinguished [...] distinguished by the wing pattern of adults. Adults of P. trinidadensis have a variation of dark-coloured markings spread over their wings. Adults of L. cambria [...] especially in greenhouses in the Netherlands. Dutch farmers call these larvae potworms, however, they should not be confused with the actual potworms which are

• Yellow rose aphid

  to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky [...] South America. It attacks plants of the family Rosaceae and is a pest of strawberries and roses. Damage symptoms The yellow rose aphids usually live in [...] Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to

• Bacterial wilt, brown rot

  show signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable for the bacteria, the whole plant [...] s roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish [...] yellowing of leaves and stunted plants. Inside, vascular browning is common with bacterial slime oozing from the cut. When the bacteria transfers to young

• Silver-Y moth

  leaves, accumulation of frass and destruction of growing points. Life cycle and appearance of Silver-Y moth The forewings of the silver-Y moth ( Autographa [...] with their wings folded roof-like above the body. The female lays up to 2,000 eggs on the underside of the leaves of their host plant, usually separately [...] characteristic feature of this caterpillar is the oscillatory swaying movement of the anterior end. The caterpillars are nocturnal. When the caterpillar is full-grown

• Enermix

  carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] in the crop, if possible approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of Enermix [...] whitefly density and should always be adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction

• Glasshouse potato aphid

  deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause [...] margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy yellowing may even be followed [...] a number of darker bands, and their length exceeds that of the body. The legs are also long, there are two distinctive dark green spots on the abdomen at