Aphidend

should be repeated at weekly intervals until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] effective between 20 and 30°C (68 and 86°F), effectivity decreases significantly at higher temperatures. As gall-midges are active at night, it is crucial [...] Place the bottle directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents Once emerged, the adult gall-midges

Diglyphus isaea

Diglyphus isaea is a small parasitic wasp belonging to the family Eulophidae within the order Hymenoptera . It is widely recognized for its role as a biological [...] isaea is most effective at temperatures between 15°C and 25°C (59 and 77°F). Behaviour of the parasitic wasp Diglyphus isaea Diglyphus isaea is a parasitoid [...] instars: the first is colourless and transparent, the second is yellow and semi transparent with a brown fat body, and the third larval instar is blue-green.

May beetle

the position of the setae in their final abdominal segment is needed, although this is not a method which works for all species. They can best be identified [...] the larvae are fully grown a kind of earthern cell is created in the ground in which they pupate. The adult beetles emerge a few weeks later but remain [...] Although this subfamily contains a number of species which cause damage to crops, the most representative genus is the Phyllophaga . Given the external

Cottony soft rot

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 ( [...] temperatures between 4 and 26 °C with an optimum between 13 and 15 °C. Germination and infection mostly take place at high soil water content over a prolonged [...] seeds and tubers, thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent

Cannabis aphid

cannabis ; a.k.a. bhang aphid or hemp aphid) is a very new pest to North America. It was first seen on cuttings originating from Colorado in 2016 and is now [...] to the point that microscopic analysis of the head is required to distinguish them. The hop aphid is common in North American hops production; there have [...] developing on cannabis plants, as well. Damage symptoms The cannabis aphid is a sap sucker, like all aphids , and affected plants are damaged by the loss

Amazone Plants continues the path of organic cultivation

netting at a good rate over a longer period. This means that there is always a strong population in the greenhouse crop and control of the thrips is maintained [...] market. Biological plant protection is an additional pillar that supports this position. ‘This type of plant protection is a godsend for us.’ Amazone Plants [...] therefore sprays a product of natural origin, such as Mycotal , twice a year, in the spring and in the autumn. Wim van der Meer explains, ‘Koppert is involved

Blackberry

subgenus, and hybrids between the Rubus and Idaeobatus subgenera. The blackberry is actually not a berry botanically speaking. It is a so-called aggregate [...] About The blackberry is an edible fruit that originates from a wide range of species belonging to the genus Rubus that is part of the family of Rosaceae

Plant Health

g how plants interact with their environment is crucial. Photosynthesis, the source-sink dynamics between leaves and fruits/roots, and the intricate soil [...] in maintaining optimal plant growth. A balanced metabolite profile, comprising primary and secondary metabolites, is essential for resilience against en [...] Embracing a systems approach for sustainable agriculture Recognizing the negative impacts of food production, growers are transitioning to a more holistic

Maximize pollination in tomato

pollination activity. A single visit by a bumblebee is typically sufficient for successful pollination. Fruit setting occurs once a flower has been adequately [...] humidity ranges. They are most active between 8 °C and 28 °C, with a gradual decrease in activity beyond 28 °C. It is important to provide suitable conditions [...] closed flowers from different areas. It is essential that all closed flowers exhibit bite marks. Closed flowers offer a precise representation of the pollination

Black rot of carrots

appearance of Black rot of carrots Black rot of carrots ( Alternaria radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary [...] temperatures from 2-4 °C up to 28-30 °C (optimum temperatures lie between 15 and 28 °C) and at a relative humidity (RH) of over 90% or when the leaves are wet [...] differences in optimum temperatures occur between species, but in general, the risk of Alternaria infection is larger under quite warm and humid conditions