• Two-spotted spider mite

  capacity. There are more than 1200 species worldwide and many of them are major crop pests. The two-spotted spider mite ( Tetranychus urticae ) is by far the [...] such webs in which the mites live. The webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental [...] General Two-spotted spider mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are capable of very

• Aphids

  transmitted by the winged individuals. Potato virus Y (PVY) is transmitted by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber [...] enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap has a low protein content but is rich in sugars [...] extract large quantities of sap in order to get sufficient protein. As a consequence, the excess sugar is secreted in the form of honeydew, making the

• Boost Soil Health Naturally: Inside the Koppert Soil Health Program

  June 16, 2025

  Trianum is a hybrid of two complementary strains that make a winning formula. One of the strains is a very competent root colonizer, and the other is an eff­ective [...] Stress Resilience Panoramix-GR is a 100% natural product based on beneficial microorganisms for use in various crops. It contains a consortium of microorganisms [...] productive crops by nurturing the ecosystem beneath the soil surface. What Is the Koppert Soil Health Program? The Koppert Soil Health Program is an integrated

• Trianum-P

  of the product. Trianum-P is not a systemic product and is therefore not taken up by the plant Do not use disinfectants in drip irrigation systems from [...] conditions. Trichoderma harzianum T-22 grows in a wide temperature range (10-34°C/50-93°F), at a pH between 4 and 8, in many types of growing media. Storage time [...] Pythium in cucumber Towards a chemical-free future in agriculture: The vision of grower Koen Trianum-P improves open field pepper production in Portugal

• Whitefly

  comparable in outline. Whitefly damage The larvae need a lot of nutrients for growth, and thus consume a large quantity of plant sap. This contains a high [...] physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and drop. Such leaf damage can in turn influence the development [...] fruit and lead to a reduction in yield. By sucking plant sap and secreting honeydew, whitefly reduces the aesthetic value of crops. This is particularly important

• Herbs

  food products. In the culinary world, there is a strict difference between herbs and spices. Herbs are the leafy green or flowering parts of a plant, which [...] fruits. Botanically speaking, ‘herb’ is synonymously to ‘herbaceous plant.’ Recommended for you How Koppert Kenya is Empowering Small-holder Farmers Through

• False codling moth

  codling moth ( Thaumatotibia leucotreta ) is native to sub-Saharan Africa and is found in all citrus production areas in Southern Africa. It also occurs on some [...] pest’s high pest status is its quarantine status and is not due to the economic losses. Damage and symptoms Larval penetration holes in the fruit can only be [...] thorough inspection. In green citrus fruit the peel around the penetration hole eventually assumes a yellow colour. On ripe fruit this area is orange, but eventually

• Leek

  that can be eaten is at times erroneously called a stem or stalk. This part is actually a bundle of leaf sheaths. This bundle is blanched by putting soil around [...] . The plant is usually sold as a small seedling and planted in a greenhouse. Later on, as weather permits, the leek is planted outside in the soil. Once [...] Once outside, the plant is rather hardy and many varieties can be left in the soil during winter and harvested when there is a need for them.

• Rose

  the flowers the plant bears. There are more than one hundred rose species and thousands of different cultivars. The rose is a woody, perennial plant which [...] which usually develops as a shrub, climbing or trailing with a stem that has sharp thorns. The flowers of the rose plant can vary in shape and size, but are [...] colour. Recommended for you Meet Capirel! An effective addition to your arsenal in the fight against thrips! How Trianum Helps Rose Growers Defeat Crown Gall

• Downy mildew of rose

  later turns grey-brown. This is, in fact, the sporulation of the pathogens extruding from the stomata. In lettuce, the foot is infected first and this causes [...] causes the plant to fall over. In cabbage the stem is also infected in severe epidemics. In blackberry, red stripes may occur on the stems and petioles due [...] and sporulation is relatively low, in general between 10 and 20 °C. Late in the season new overwintering oospores are produced and buried in the soil with