Neoseiulus cucumeris

and lays about two eggs per day. Life cycle of Neoseiulus cucumeris The life cycle of Neoseiulus cucumeris consists of the following stages: egg, larva, [...] cucumeris is used for the control of the following pests: Thrips Neoseiulus cucumeris mites actively seek out and prey on the first instar larvae of various [...] which is useful for instance in sweet pepper crops as the predatory mite can establish itself in the crop before the pest appears. The success of predatory

Black sigatoka disease

die within a few weeks. Because of the lack of leaf tissues, fruit maturity is hampered. Life cycle and appearance of Black sigatoka disease Black sigatoka [...] conidia. The ascospores are wind-dispersed over longer distances, the conidia are splash-dispersed within the crop. Both types of spores cause the exact same [...] yellow spots or streaks on leaves of about one month old. The symptoms run parallel to the veins. Within a few days, the spots become a few centimetres in

Cottony soft rot

infects the stem base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating [...] sclerotia. The fungus also infects seeds and tubers, thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial [...] as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root (

Consumers

this list. Biological crop protection What is biological crop protection ? The idea behind biological crop protection is very simple: natural enemies such [...] provide you with the best possible service as a consumer, we have drawn up a list of frequently asked questions. We hope you will find the answer to your [...] released to combat harmful insects, in the same way as they do in the wild. Koppert supplies various species of parasitic wasps, predatory mites, bugs

Potato/tomato psyllid

latter causing the greatest concern and proving difficult to control. In light of this, the export of fruit from susceptible crops to some parts of Europe, and [...] disease in tomatoes, both of which are very harmful to the affected crops. Lifecycle and appearance of the potato/tomato psyllid The eggs are egg-shaped with [...] and the import into Mexico, is difficult, since Candidatus Liberibacter is considered a quarantine pest. Damage symptoms The main direct damage, caused

Fusarium wilt

inside the vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. [...] Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts [...] produce ascospores. The Fusarium oxysporum life cycle, is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop

Tomato russet mite

population growth is most rapid 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 [...] segmented. The body appears to be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs [...] ascend. Life cycle and appearance of tomato russet mite All life stages of the tomato russet mite are extremely small and difficult to observe. They are elongated

Cotton leafworm

littoralis ) also attacks the young grains in the ear. Life cycle and appearance of Cotton leafworm Each adult female of the cotton leafworm (Spodoptera [...] caterpillars crawl to the ground and settle in the surface layers. The pupa is 15 to 20 mm long and reddish brown in colour. The forewings of the adult cotton leafworm [...] along the median vein. The ocellus is marked by two or three oblique whitish stripes. The front of the wingtip has a blackish marking, which is more pronounced

Diamond back moth

young seed pods, causing loss of pods and seeds. Life cycle and appearance of Diamond back moth The oval and flattened eggs of the diamond back moth (Plutella [...] one-third of the forewing is ochreous-white, with a nearly white upper edge. In females, the upper two-thirds of the forewings are light ochreous and the markings [...] and active. Except for the first instar, which mines in the leaf tissue, the larvae are voracious surface feeders. The pupae of the diamond back moth (Plutella

Beet armyworm

es for the growth of the crop. With a substantial population of caterpillars, the damage can spread to the stems, and in the worst cases to the fruit. [...] even black. The colour and pattern of the caterpillars is highly variable and depends partly on the host plant, the stage of development and the climate. [...] plants. In both the greenhouse and the field, it is a major pest of sweet pepper. Damage symptoms Older caterpillars migrate to the top of the plant where