• How Trianum Helps Rose Growers Defeat Crown Gall and Maximize Crop Performance

  May 7, 2025

  ability of Trichoderma harzianum strain T-22 to increase plant growth by solubilizing many plant nutrients from their solid phase compounds (e.g. Rock Phosphate [...] nutrient fixation is common. Effect on Productivity One of the direct effects of efficient nutrient and water uptake by the plant is seen in a vigorously growing [...] factor will depend on the kind of pathogen present, the ratio of pathogens to the biocontrol agents, the strains and the host plant. Kenyan rose growers

• 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

• Cucumber

  being produced on most continents. The cucumber plant is a creeping vine that grows up trellises or other supporting frames. The plant supports itself [...] cultivated plant that belongs to the gourd family of Cucurbitaceae . The cucumber originates from South Asia, more particularly in India. The plant’s cultivation [...] itself with thin, spiraling tendrils. The cucumber plant has large leaves and it produces an elongated, cylindrical fruit that may become as long as 60 cm or

• 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

• Swirski-Mite LD

  various thrips species and eggs and larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into [...] damaging the predatory mites Dosage The dosage of Swirski-Mite LD depends on climate, crop and pest density and should always be adjusted to the particular [...] Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Amblyseius

• Biological Solutions Meet Peri-urban Horticulture

  February 5, 2019

  Biological control involves the management of plant pests and diseases using other organisms. The concept relies on an active human management role to achieve [...] (tradename “ Mirical” ) to manage whitefly and Tuta absoluta ( tomato leaf mine r) in tomato. For the capsicum crop, the predatory mite Amblyseius swirskii [...] farmer, feel free to contact Koppert for more details on how to implement such an IPM program on your farm. If you’re a retailer or a consumer, be sure

• Obscure mealybug

  sometimes encountered on tomato, primarily at the foot of the stalk. In an overhead wire system of cultivation, the mealybugs are often located on the horizontal [...] ly. Damage symptoms Although most species of mealybug feed on the aerial parts of the plant, some species extract their nourishment from roots, whilst [...] harmful viruses. Mealybugs inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation

• Fall Armyworm

  of the host plant, depending on the crop, the stage of crop development, and the age of the larvae. On maize, young larvae usually feed on leaves, creating [...] too. The caterpillars of fall armyworms feed on the leaves, stems and reproductive parts of more than 100 plant species causing major damage to cultivated [...] They have a distinct white inverted Y-shaped mark on the front of the head and four large spots on the upper surface of the last segment. Pupae are reddish

• Potato

  ‘potato’ ( S olanum tuberosum ) is used to refer to the plant itself or its edible tuber. The plant is an herbaceous perennial and came to Europe from Latin [...] rice. Potato plants grow up to some 60 cm tall. Its leaves die after flowering, fruiting and the development of the potatoes. The plant’s flowers vary [...] yellow stamens. After the flowering phase, the plants grow small, green fruits which look like cherry tomatoes and contain about 300 seeds each. Recommended

• Ercal

  approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of Ercal depends on climate, crop and whitefly [...] to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 1-10 per m 2 /release [...] least 3 times 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