• Aphidius colemani

  recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius colemani The parasitic wasp [...] is a parasitic wasp used for biological pest control . This species belongs to the Braconidae family and is primarily known for its effectiveness in controlling [...] widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis gossypii ) Green

• Bacterial wilt, brown rot

  conditions favourable for the bacteria, the whole plant will wilt soon after the first symptoms appear. When conditions are less conducive for disease development [...] not use cut potatoes for propagation, since cutting tubers can increase disease incidence with up to 250% Quarantine measures are in place, including a [...] plants. Damage symptoms In potato, field symptoms of Ralstonia solanacearum are wilting and yellowing of leaves and stunted plants. Inside, vascular browning

• Loose smut of barley

  and appearance of Loose smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop [...] Contact fungicides are not effective Apply heat treatment, but viability and germination rate should be checked and compensated for Use resistant cultivars [...] cultivars Perform field checks for infected seed and prevent the use of seeds from infected fields for further cropping Prevent plant diseases by optimizing

• Loose smut of wheat

  and appearance of Loose smut of wheat The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop [...] Contact fungicides are not effective Apply heat treatment, but viability and germination rate should be checked and compensated for Use resistant cultivars [...] cultivars Perform field checks for infected seed and prevent the use of seeds from infected fields for further cropping Prevent plant diseases by optimizing

• Blight of pepper

  cells which are resistant to desiccation) or mycelium. Zoospores are formed from the overwintering structures which infect the host. Zoospores are spores with [...] of Blight of pepper Phytophthora species are very destructive organisms belonging to the Oomycetes and are therefore strictly speaking not fungi. They [...] temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs

• Aphidius ervi

  recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius ervi The parasitic wasp [...] environments where aphids are prevalent, Aphidius ervi can significantly suppress their numbers, making it a valuable agent for integrated pest management [...] can parasitize hundreds of aphids within two days. Aphidius ervi is used for the control of the following pests: Potato aphid ( Macrosiphum euphorbiae

• Root rot of carrot

  in nonsterile soil remained viable at 0°C and 3°C for 12 months, at 6°C for 6 months, and at 12°C for 2 months, indicating a capacity to overwinter in cold [...] carrots are a major problem and can lead to significant postharvest losses Several different fungal pathogens cause similar symptoms, which are collectively [...] lesions. Continuous light is best for in vitro sporulation. Spore germination in vitro requires free water. The pH for growth, sporulation, and spore g

• Apple collar rot

  cells which are resistant to desiccation) or mycelium. Zoospores are formed from the overwintering structures, which infect the host. Zoospores are spores with [...] of Apple collar rot Phytophthora species are very destructive organisms belonging to the Oomycetes and are therefore strictly speaking not fungi. They [...] temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs

• Phytophthora blight

  cells which are resistant to desiccation) or mycelium. Zoospores are formed from the overwintering structures which infect the host. Zoospores are spores with [...] of Phytophthora blight Phytophthora species are very destructive organisms belonging to the Oomycetes and are therefore strictly speaking not fungi. They [...] temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs

• Southern blight

  rarely observed. The fruiting bodies are asexual and there are no spores, forming dark brown or black sclerotia which are rounded, irregular, or compact. The [...] When the mycelium is young it is white; later it darkens. There are many sclerotia. They are round and their diameter varies from 0.4 to 2 mm. They can be [...] tools, and contaminated seeds. The favourable conditions for the development of the pathogen are temperatures between 25 and 30 ºC, relative humidity of