• Loose smut of wheat

  growing tip and the seed primordia. It only becomes visible after head emergence. The teliospores that are formed on systemically infected seeds then infect [...] Ustilago nuda f.sp. tritici is a basidiomyceteous fungus that affects wheat. It is also known as loose wheat smut, or loose smut of wheat. Damage symptoms [...] during flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus survives inside the seed and when the seed germinates

• Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

  Wolterinck BV in Beltrum, the Netherlands, is a specialist in tree care and weed control and works on behalf of local authorities and governmental bodies [...] Entonem on the oak processionary caterpillar . ‘We’ve been using nematodes for years. The product is our preferred method over products based on Bacillus [...] continues, ‘The product has a guaranteed firm, preventive effect, it’s a 100% natural and it helps preserve biodiversity.’

• Aphidius matricariae

  available in a bottle ( Aphipar-M ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction [...] crucial role in controlling aphid infestations and reducing the need for chemical interventions in agriculture. Adult wasps do not engage in feeding on aphids [...] and is widely recognized for its role in biological pest control of aphids . This small wasp is a valuable natural enemy in both agricultural and horticultural

• FAQ Spidex Vital

  Spidex I am used to? No, it is exactly the same Phytoseiulus species as in de former Spidex Vital: Phytoseiulus persimilis. When does it turn from white to red [...] trials on several routes have shown that the optimum transport conditions remain the same. No adjustments will have to be made to your supply chain in case [...] 21 | 2021 www.koppert.com 1. Changes of Spidex What is the difference in the product presentation? Spidex Vital consists of all mobile stages of P

• Black tea thrips

  Heliothrips haemorrhoidalis , is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous [...] is parthenogenic, it reproduces without mating, and males are rare. The adults are poor fliers and tend to remain in the shaded areas on the plant. The eggs [...] . Damage symptoms The black tea thrips feeds primarily on the foliage of ornamental plants. It attacks the lower surface first and, as feeding progresses

• Eretmocerus eremicus

  for its adaptability in varying environmental conditions and its efficiency in reducing whitefly infestations. Adults of this species do not feed on whiteflies [...] natural enemy Eretmocerus eremicus is available on cardboard strips as single species ( Ercal ) and in combination with Encarsia formosa ( Enermix ). Open [...] at weekly intervals or until control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Enermix/Ercal

• Potato aphid

  excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating [...] stripe running along the dorsal surface. In green individuals, this stripe is dark green, while in pink specimens it is dark red. This longitudinal stripe [...] throughout the world. It is a highly polyphagous species with a preference for Solanaceae (particularly potato), but has also been identified on more than 200

• Pine processionary moth

  provenances. In general, the integument is darker in colder areas and varies from dull bluish-grey to black. Pupation takes place in the soil in an oval, [...] Mediterranean Sea. It is most conspicuously damaging on pine plantations, or amenity pines. Damage symptoms The nests of caterpillars on infested trees are [...] caterpillar assumes its definitive appearance and the reddish dorsal urticating hair patches on each body segment appear, arranged in pairs. The integument

• Black vine weevil

  sulcatus, is a pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit crops in both temperate and [...] found between the inside of a plant pot and its contents, under lumps of e, in vegetation and under planks etc . In temperate climates, the small (0.7 mm diameter) [...] pinkish body and a reddish brown head. These larvae live in the root zone in the soil where they feed on the roots. They are legless, roughly 1 mm long at hatching

• Hemp russet mite

  to the family Eriophyidae (gall and rust mites). It does not produce galls but lives freely (vagrant) on hemp/cannabis plants. Aculops cannabicola is host [...] host specific to hemp/cannabis ( Cannabis sativa ). It cannot survive on other plants. Damage symptoms Damage is caused by the mites sucking out the contents [...] mite develops on the stems and petioles of the hemp plant and can cause stunting. When populations are large, the mites can also be found on the underside