• Pierce's disease of grapevine

  over the leaf from the margin and is marked by a chlorotic band. In the beginning, only a few leaves per branch are showing symptoms, but later the growth [...] desiccation of twigs and small branches occur on infected leaves. This usually starts in the upper part of the canopy on a few branches and then extends to the [...] becoming more problematic in olive. Damage symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf suddenly dies and

• Apple scab

  petioles and fruits and sometimes on twigs and bud scales. The lesions are olive-green. When spores are produced, the lesions become grey and fluffy. The [...] The ascospores are wind-dispersed to the fruit trees and will germinate if free water is available. They infect the plant by direct penetration of the cuticula [...] fallen off the trees. In response to the infection, the plants produce cork as a defence against further growth of the fungus. In cultivars that are more resistant

• Root rot of carrot

  General Black spots on cold-stored carrots are a major problem and can lead to significant postharvest losses Several different fungal pathogens cause [...] pathogens in Northwest Europe. Damage symptoms Rhexocercosporidium carotae is a slow-growing fungus that can infect both roots and foliage. The infection starts [...] areas are firm, shallow, and clearly visible. Under certain conditions, an olive-green mycelium can develop on the surface. Initially, the disease forms circular

• Cryptobug

  range from 2-10 per m 2 /release. Releases should be made in infested areas only and repeated if necessary. Consult a Koppert advisor or a recognized distributor [...] Application Deploy Cryptobug on rock wool slabs or in Diboxes close to or at a hotspot Apply in the evening Dosage The dosage of Cryptobug depends on climate

• General Conditions Koppert

  than as a result of exceeding a delivery term. This choice will be at Koppert’s discretion. 10.4 Koppert is not liable with regard to the Buyer in a limitative [...] provided this confirmation is signed by a person who is authorized to enter into the agreement; b. by the reaching of a written consensus on an order form [...] obliged to compensate Koppert in full for the losses Koppert suffers as a result of a fall in the exchange rate of the currency in which payment is made as