• Tomato leafminer

  place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf [...] Damage symptoms The most distinctive symptoms of damage done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars

• Aphids

  and rendering them unmarketable. At the same time, photosynthesis in the leaves is reduced, affecting production. The aphid’s saliva can induce strong ‘allergic’ [...] individuals. Potato virus Y (PVY) is transmitted by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. How to prevent aphids To prevent [...] large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the family Aphididae, a family

• Angular leaf spot

  overwinters in plants and dead leaves, that become the primary source of infection in the spring. The bacteria are also introduced in a crop in new transplants [...] underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is the way the lesions look when using different [...] This bacterium is very resistant to desiccation and can survive well in dry leaves or leaves in the soil, but not independantly in the soil. Under humid

• Cyclamen mite

  than usual. In cyclamen, the flowers are damaged and leaf growth is inhibited. In hedera, a mite attack can cause baldness in parts of the stem. Gerbera [...] on plant sap by penetrating the plant tissue with its piercing-sucking mouth parts. The mites are mostly found within the flower buds, growing tips and [...] leaves, where the humidity is highest and they are protected from direct sunlight. In such spots, they are difficult to observe. Damage occurs in localized

• Eretmocerus eremicus

  inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the [...] when the whitefly reaches its fourth instar. The larva then penetrates the host, moulting to the second instar to feed. During the third instar, the larva [...] parasitic behavior: the female lays her eggs inside the immature whitefly nymphs, and upon hatching, the larvae consume the host from within. The larvae use their

• Koppert Present at Biocontrol Africa and NewAG International Conference 2018, Nairobi

  April 26, 2018

  endeavours. The highlight of the dinner event, was the signing of the CABI and Koppert Agreement on IPM training of plant doctors in Kenya. The IPM module aims [...] The inaugural Biocontrol Africa and the 16 th NewAG conference and exhibition kicked off in Radisson Blu Hotel, Nairobi, Kenya in week 12. The Biocontrol [...] and food security in Africa and the world. He called upon the biological companies not to work alone but in partnerships, including with governments, for

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

  May 7, 2025

  point out the role of TRIANUM in optimizing the uptake of mineral fertilizers, especially in crops grown in soil media where nutrient fixation is common. [...] compared to the standard comparison area. The same study also showed a notable increase in the total number of harvestable stems and a general increase in the [...] process. The relative contribution of each factor will depend on the kind of pathogen present, the ratio of pathogens to the biocontrol agents, the strains

• Chrysanthemum

  Asteraceae. The plant is originally from Asia and northeastern Europe and the majority of the different species derive from East Asia. Especially in China a [...] About The chrysanthemum ( Chrysanthemum spp. ), also called mum or chrysanth, is a flowering plant that belongs to the genus Chrysanthemum of the family [...] Traditionally, yellow is the main colour of this flowering plant. Nowadays, a wide range of other colours is available such as white, purple and red.

• Biological Solutions Meet Peri-urban Horticulture

  February 4, 2019

  a big success with the farmers recording a clean healthy crop in the greenhouse tunnels under the Koppert IPM program compared with the tunnels managed [...] biological pest control . The first, which is referred to as classical, is where a natural enemy of a pest is introduced into the environment to achieve area-wide [...] on the other hand is when a large population of natural enemies is administered for quick pest control in a specific crop. Finally, inoculative is when

• About Koppert

  Biocontrol is our Nature The answers to many of today’s agricultural and environmental challenges are already out there: in nature itself. At Koppert, [...] we explore, understand, and apply these natural solutions in partnership with nature. Using natural enemies to control pests, bumblebees for pollination [...] Since 1967, we’ve been helping growers worldwide cultivate healthier crops with high-quality biological crop protection .