• Crazy roots, hairy roots, crown gall

  galls on the stems, which are first white and later turn brown. Only Rhizobium radiobacter causes galls and tumours on underground plant parts and on the [...] system Prevent contact between the plant roots and the gutters in greenhouses Prevent plant diseases by optimizing plant potential and crop resilience. [...] the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic

• Angular leaf spot

  the lesions on the leaves and form a secondary source of infection. They are dispersed by rain, irrigation water or handling of the plants. Infection of [...] sprinkler irrigation is used. Healthy, well growing plants are more susceptible than diseased or stressed plants. How to prevent Angular leaf spot Use clean [...] inoculum such as dead leaves In field-grown tomato and pepper, rotate fields to prevent infection from volunteer plants and crop debris Avoid waste piles in the

• Bacterial soft rot, bacterial stem rot

  epidemic population densities. It can survive as epiphytic bacteria on various plants or in the soil in low densities. It has also been found in the gut [...] of wounds Disinfest recirculating irrigation water Prevent plant diseases by optimizing plant potential and crop resilience. [...] bacterial rots (bacterial soft rot, bacterial stem rot). Damage symptoms In tomato, Erwinia carotovora subsp. carotovora or Pectobacterium carovora causes

• Natupol Booster

  Checklist Outdoor Pollination checklist Growing lights Pollination Checklist Tomato Plant Pollinator interactions in high temperatures Application Natupol Booster [...] crop and depends on environmental conditions. Always consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy [...] starts declining in size and pollination activity. Colony development depends on environmental conditions and the amount and quality of pollen. Presentation

• Consumers

  pollination ? Vegetables such as tomatoes and sweet peppers are often propagated in greenhouses. By the time a delicious little tomato reaches your plate, it has [...] has already had a very long journey. The plant first has to form fruit before the tomato can actually start to grow. In nature, insects and other animals [...] bacteria and fungi form a third pillar for the sustainable production of plants and crops. Even though they cannot be seen with the naked eye, these products

• Early blight

  Alternaria causes early blight of potato and early blight of tomato, which presents itself as spots on leaves, petals and stems. These spots can be distinguished [...] veins. Lesions can easily rupture. Other symptoms are brown lesions on stem and foot. On fruits, dark sunken, leathery lesions occur at the side of the stem [...] conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases by optimizing plant potential and crop resilience.

• 20250158_Valto_-_Label_V10_0_8_liter_EN_-_108x195mm_-_DEF_HR.pdf

  Warning: Do not use this product on crops for seed production. TOMATO – RUBBING V10 is applied once per tomato plant. Application has to take place before [...] scourer in the diluted product and rub one leaf per tomato plant. • Approximately every 10 plants the scourer has to be dipped into the diluted product [...] of 1 application per crop. The product can cause mild virus symptoms on the plant and fruit. • Shake well before use. • Prepare 10% dilution of the

• Greenhouse whitefly

  sap from the plant leaves and secreting honeydew. This can have the following consequences: If the population is very large, feeding on plant sap can affect [...] Brazil or Mexico. Hundreds of plant species from different families serve as suitable hosts for this whitefly. It occurs on many crops, including aubergine [...] moulds also develop on the leaves, reducing photosynthesis and transpiration. Viruses can be transmitted. The consumption of plant sap and secreting of

• Buckthorn-potato aphid

  populations build up on potatoes or other hosts, which can cause growth retardation. Buckthorn- potato aphid does not cause plant deformation. The major [...] body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their summer hosts [...] It also attacks a large number of other crops, for instance sweet pepper, tomato, aubergine, strawberries and gerbera and worldwide distribution. Damage

• Western flower thrips

  occidentalis) can be found on a wide variety of plants, including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially [...] resulting silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of [...] Western flower thrips (Frankliniella occidentalis) prefer to feed on developing plant tissues such as growing tips and flower buds. When these tissues develop