• Tomato leaf miner

  cycle and appearance of Tomato leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar and the adult [...] bryoniae) has many host plants and has caused crop damage in many parts of the world, including North Africa, Europe and northern Asia. In warmer regions [...] (sub-)tropical areas this can lead to burning in fruit such as tomato and melon . Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable

• Crazy roots, hairy roots, crown gall

  four species cause the growth of galls on the stems, which are first white and later turn brown. Only Rhizobium radiobacter causes galls and tumours on [...] dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused by a change in [...] hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic change

• Citrus mealybug

  growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] for sale. A very small population can thus cause considerable economic damage. Life cycle and appearance of Citrus mealybug Adult females of Planococcus [...] fertilize the females and as soon as a male emerges from its cocoon, it goes in search of a female. A fertilized female lays several hundreds of eggs in an elongated

• Whitefly – small pest, big problem

  February 2, 2023

  larvae of the tobacco whitefly inject enzymes into the plant, causing damage. This can include irregular ripening in tomatoes and peppers, yellowing of flower [...] gerbera , and severe yellowing of the leaves of green beans. Other symptoms include chlorotic spots, falling fruit and/or leaves, irregular ripening, and misshapen [...] portfolio Ten tips to effectively tackle whitefly Trianum can hold its ground Swirski-Mite: the do’s and don'ts in a nutshell Trianum is a true all-rounder

• FAQ Nematodes

  types of pesticides and can thus be sprayed easily after a pesticide treatment or even sometimes tank-mixed. For a complete list of side effects, check [...] have to look for a host. The effect of treatment is thus strongly dependent on how quickly a nematode has found a host. Is the effect visible? Infected [...] backpack sprayer, a watering can or others. They can also be dispersed via drip irrigation systems, with a preference for high pressure ones and be injected

• Ten facts about Fusarium

  December 9, 2021

  species and varieties of Fusarium that affect a wide variety of crops. If a crop is weak, damaged, or under stress this increases its risk of being infected [...] characteristic of this infection. This fungus is incredibly hardy and can survive in the soil, on crop remnants, on machines and tools, and in parts of the greenhouse [...] Indicator of the Effect of Trianum Trianum's Seven Benefits Fusarium is a soil-borne fungus that manifests in many different ways. The symptoms of the disease

• Hemp russet mite

  is caused by the mites sucking out the contents of plant cells. Hemp russet mite develops on the stems and petioles of the hemp plant and can cause stunting [...] the number of buds and dwarfed buds. This damage can reduce yield and quality. Other signs of damage include dull, greyish, or bronzed leaves and upward curling [...] curling of leaf edges. Life cycle and appearance of Hemp russet mite All life stages of the hemp russet mite are extremely small and difficult to observe

• Ten need-to-know facts about caterpillars

  June 28, 2023

  inside than outside. The caterpillars of the butterflies and moths can do a lot of damage to these crops, so effective control depends on early identification [...] moths to a trap with a sticky surface or a pool of water. In addition to pheromone decoys, there are more biological methods to effectively fight butterflies [...] night. The caterpillars don’t usually have a lot of hair, and they pupate in the ground. Another big cause for concern is the Tortricidae family, known

• Botrytis problems often have company

  December 20, 2021

  is found all over the world and can infect a wide variety of plants. If conditions are unfavorable, the damage can get out of hand. To avoid this, it's important [...] Control? Condition of the Crop the best Indicator of the Effect of Trianum Aphids and How to Protect Your Crop Insight to the Production of Nematodes Infestation [...] reduces the levels of disease, improves growth, and results in a stronger and more resilient crop. And which grower wouldn't want that? Tomato Disease Top

• Rhyzobug

  spp ., and other species of armoured scale insects. Mode of action Adults and larvae feed on all stages of armoured scale insects. Visual effect Small scales [...] Open the cap and tap the beetles directly on the plants. Be aware that adults may not fly away immediately after release. Dosage The dosage of Rhyzobug depends [...] should be repeated until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for