• Nutari

  January 1, 1970

  Air(o)bug Large heaps of carrier material may cause leaf damage, so make sure the material is distributed as a thin, even layer Dosage The dosage of Nutari depends [...] low prey densities. Mode of action When density of the target pest is low and there is no alternative food available in the crop Nutari can be provided as [...] for predatory mites . This will ensure a standing army of predatory mites in the crop, keeping the target pest on a low level. Pack size 30 gram (2 million);

• Fusarium wilt

  January 1, 1970

  General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] root rot, foot and stem rot, leaf lesions, fruit rot, head blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular [...] pathogenic on a limited number of crops. Even within one crop, different formae speciales may occur and cause different symptoms. Fusarium oxysporum is the only

• Early blight

  January 1, 1970

  Those spots then turn into dark brown angular lesions with a yellow halo restricted by leaf veins. Lesions can easily rupture. Other symptoms are brown [...] general the risk of Alternaria infection is larger under quite warm and humid conditions. Infection may take place within a few hours, with lesions occurring [...] during harvest (in potato and carrot). Post-harvest storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive

• Nutemia

  January 16, 2023

  Air(o)bug Large heaps of carrier material may cause leaf damage, so make sure the material is distributed as a thin, even layer Dosage The dosage of Nutemia [...] low prey densities. Mode of action When density of the target pest is low and there is no alternative food available in the crop Nutemia can be provided [...] for predatory mites . This will ensure a standing army of predatory mites in the crop, keeping the target pest on a low level. Pack size 150 gram (10 million)

• Glasshouse potato aphid

  January 1, 1970

  with a brown head, a dark thorax and a dark abdomen that has pale to dark transverse bands. The body shape is similar to wingless females, but is 2.0-3 [...] pepper it secretes a toxic substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The [...] aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young

• Onion thrips

  January 1, 1970

  General The onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, [...] are inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour, with a large head and bright red eyes. The colour [...] the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel. Onion thrips (Thrips tabaci) is found mostly

• Fusarium spp.

  January 1, 1970

  Fusarium spp. is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are [...] of Fusarium spp. Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many [...] (deoxynivalenol) is the best-known. The mycotoxins are toxic to mammals so maximum levels have been determined. Fusarium sambucinum (a.k.a. F. sulphureum

• Phytophthora blight

  January 1, 1970

  sporangia. For germination on above-ground plant parts, leaf wetness is required. Dispersal is by wind and rain causes the pathogen to be returned to the [...] borders and white fluffy fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions occur, usually [...] s containing sporangia, a type of spores) with sporangia are formed that protrude through the stomata. Secondary infection is either by germinating sporangia

• Tomato looper

  January 1, 1970

  family of Noctuidae . It is a tropical and subtropical species originating in the Mediterranean and northern Africa. The larva is highly polyphagous and [...] and is now one of the most frequently found pest species in greenhouses. Damage symptoms The tomato looper (Chrysodeixis chalcites) is primarily a foliage [...] The caterpillar passes through 6 instars. It has a green head capsule and a yellowish-green body with a clear yellow longitudinal stripe on either side

• Amazone Plants continues the path of organic cultivation

  January 1, 1970

  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