Aphipar-M

mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first [...] parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps develop inside the aphid, which converts [...] bottle. Carrier Wood chips. Application Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its

Damping-off

during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system [...] enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water [...] f disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover

Cookie Statement

you visit the website. The main function of cookies is to distinguish one user from the other. Your browser sends us the information stored the next time [...] appear as long as the cookie is active. After the end of the cookie’s service life or if you delete the cookie, the banner will reappear the next time you [...] ns to the Cookie Statement We may update our Cookie Statement from time to time, as the rules on cookies may change or new features may be added to our

Fusarium spp.

upwards. At the same time, the plant produces gum as a defence mechanism to stop the fungus from spreading. This gum blocks the xylem and causes the wilting [...] This species is the only Fusarium that actually grows inside the vascular system of the host plant and spreads upwards inside the plants. The other species [...] infection of the roots at the root tip, or in small wounds, for example where lateral roots branch off the tap root. F. oxysporum grows inside the roots towards

Tobacco thrips

Greece in 1998 as a pest on ornamental crops, later appearing in Spain in 2017, France in 2018, the Netherlands in 2019, and Germany by the end of 2021. The [...] buds. Adults tend to remain hidden. In greenhouses, Thrips parvispinus populations typically start to appear in the spring and peak in the autumn, with minimal [...] 6 mm. How to detect Thrips parvispinus Thrips parvispinus is a major pest in greenhouse crops due to its ability to multiply rapidly in the warm, humid

Cottony soft rot

base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating sclerotia [...] grows on the lesions, giving this disease its name cottony soft rot. In the mycelium, big, dark sclerotia are formed. They can easily be seen with the naked [...] sclerotia. The fungus grows quite rapidly inside the plant and kills the host cells. On the infected plant tissue white, fluffy mycelium occurs with new

Fusarium wilt

oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads upwards inside the plants. The other species [...] place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. How to prevent Fusarium wilt [...] one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels which can be seen when the stems are

Sciarid flies

roots. The larvae can grow to 5 to 12 mm in length and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous black head. The head is equipped [...] They occur the whole year round. The eggs are minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots [...] Pupation takes place in a small hole in the ground. Pupae are white, but later become yellow to brown. The posterior end of the pupa remains mobile.

Macadamia nut borer

lifetime. The eggs hatch between 7-12 days and the young larvae bore their way into the young fruit. The larvae are cream to grey in colour with dark spots [...] spots on the body and the head capsule is brown. The pupa is dark brown and (if pupation takes place in the soil) encased in a cocoon of soil particles. There [...] have to be carried out to enable export. Damage and symptoms Damage before shell hardening is caused by the larvae which bore into the fruit. In small

Leaf miners

lost before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of [...] miners belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of [...] However, the use of chemical insecticides kills these natural enemies, allowing the leaf miner population to erupt into serious numbers. In addition, the pesticides