• Wheat bunt

  tritici and Tilletia laevis only differ in one gene and easily hybridize. There is debate whether they should indeed be considered separate species, since [...] on all spikelets, showing the bunt (smut spore) they contain, which is larger than a normal kernel. The bunt balls are grey-brown. They rupture at harvest [...] contaminate healthy kernels, which in turn become a source of disease in the next season. Infection is strongly correlated to temperature and precipitation

• Whitefly

  the growth is obstructed by the stiff hairs. As soon as the red eyes of the adult whitefly are visible in the fourth larval instar, the stage is referred [...] length. They have a distinctive, triangular shape and hold their wings in a vertical position over their body when at rest. Color: As their name suggests [...] stunted. This is because the insects are drawing nutrients away from the plant as they feed on its sap. Sticky residue: Whiteflies excrete a sugary substance

• Nematodes significantly reduce Tuta larvae

  high-end supermarkets and we want to offer a constant, safe and sustainable product. As the use of chemicals is under pressure and biological protection [...] his crop. ‘This is the first year we have applied Steinernema feltiae and after the first cycle of three nematode treatments, we saw a reduction of Tuta [...] ‘After this result, we have kept spraying with nematodes every time there was a new wave of small larvae and the problem never grew big after that.’ Reduction

• Feltiella acarisuga

  appear on the body. A fully grown larva is about 2 mm long. At the end of the last larval stage, the larva spins a white cocoon near a leaf vein and pupates [...] spider mite . Feltiella acarisuga is a key component in integrated pest management (IPM) strategies, offering growers a sustainable solution for spider mite [...] Feltiella acarisuga is available at Koppert as Spidend . How to use Feltiella acarisuga The predatory gall midge Feltiella acarisuga is available in plastic

• Nematodes established solution for Nesidiocoris in France

  crops from February onwards, which is really early. Nesidiocoris tenuis is a bug that has been a problem in France for a good 10 years. It causes significant [...] Additionally, as a macroorganism, there's no waiting period. These are major assets on our farm, which has been practising IPM for as long as it has existed [...] acts only on the head and avoids our Macrolophus . Capsanem is a valuable ally!’ Audrey Vignaud is Koppert’s technical head of the consultant for the South

• Beetles

  species, Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in [...] stored products. There are many useful beetles as well. For instance, ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis [...] food as the adults. The pupae do not make a cocoon and will already display many similarities with the adults. The adult beetles usually possess a pair

• Tomato leaf miner

  that emerges from its tunnel just prior to pupating, is known as a prepupa. This stage lasts only a few hours. [...] except with ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused [...] burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity

• American serpentine leaf miner

  except with ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused [...] serpentine leaf miner ( Liriomyza trifolii ) is highly polyphagous and thus lives on many host plants such as chrysanthemum, gerbera, gypsophila, celery [...] pea, bean and potato. In greenhouses, it is mainly found on gerbera and chrysanthemum. Today the insect is widespread across the whole world. Damage symptoms

• Black vine weevil

  long. Outdoors there is a single generation each year. A population of black vine weevils consists entirely of females and reproduction is by parthenogenesis [...] weevil, Otiorhynchus sulcatus, is a pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit [...] to approximately 12 mm. A larva is often curled into the typical C-shape which it assumes whenever it is disturbed. The body is covered with stiff white

• Fly pollination

  flies show a stable emergence rate in combination with a high rate of activity in the crop. Natupol Fly is packed in a cardboard tube with a plastic lid [...] What is fly pollination? Fly pollination , also known as myophily, is a method of plant reproduction facilitated by various species of flies . Unlike bees [...] flies Lucilia sericata is a generalist when it comes to choosing plants for pollination . These adaptable insects can pollinate a wide range of plants,