• Beneficial nematodes for biological pest control

  January 15, 2025

  the selection, production and quality control of a specific range of these nematodes that help to keep our fruit, vegetables and ornamental crops free of [...] are alive; they move and hunt their prey instinctively. They can be used above and below ground to protect crops against pests. And unlike chemical pesticides [...] These bacteria kill the insect and digest it from the inside. The nematodes feed on the tissues of the dead insect and reproduce in large numbers. The

• Koppert Kenya partners with Karura Forest for biological control in the urban forest

  October 11, 2018

  roots or stem and disrupt uptake of water and nutrients from the soil. This may lead to reduced yield, wilting, yellowing, leaf fall, stunting and even death [...] against attack from pathogens and promotes healthy root development, leading to improved uptake of water and nutrients. This results in stronger and healthier [...] their tender tissues. Root and butt rot caused by a species of Armillaria is one of the most serious diseases of fruit and forest trees. These harmful

• Potato/tomato psyllid

  concern and proving difficult to control. In light of this, the export of fruit from susceptible crops to some parts of Europe, and the import into Mexico [...] chlorosis/reddening or purple colouration of the leaf bases and internodes, and poor-quality fruit. The bacterium Candidatus Liberibacter solanacearum which [...] ellow, and finally green. When they hatch, the adults have a yellowish-green colour and whitish wings, which become transparent over time, and their bodies

• Fusarium spp.

  causes foot and/or root rot of the infected host plant, and the disease may manifest as wilting, stunting and chlorosis or lesions on the stem and/or leaves [...] agriculturally important crops Damage symptoms of Fusarium spp. Fusarium fungi cause vascular wilt, root rot, foot and stem rot, leaf lesions, fruit rot, head [...] different species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect wounded or stressed

• Bacterial soft rot, bacterial stem rot

  normal colour. On the fruits, lesions first are small and sunken, water-soaked and light to dark brown. They are adjacent to wounds and natural openings at [...] at the stem end. Later the fruit becomes soft and lesion contents become liquid. Life cycle and appearance of Bacterial soft rot, bacterial stem rot Erwinia [...] that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the pith, the stem seems wet and slimy. Above or below the hollow

• Cucumber

  develop from flowers and their seed develop within the fruit, therefore in botanical terms they are classified as berries. However, like tomatoes and squash [...] cucumber plant has large leaves and it produces an elongated, cylindrical fruit that may become as long as 60 cm or 24 inches long and 10 cm or 3.9 inches in diameter [...] The cucumber originates from South Asia, more particularly in India. The plant’s cultivation history goes back some 3000 years and it is now being produced

• Green peach aphid

  making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering [...] persicae ) is an important insect pest in sweet pepper, tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where its [...] most important vector of viral diseases. It can transmit at least 100 different viruses and is thus rightfully feared by many growers. Nymphs and adults

• Grapes

  originally from the Mediterranean region, central Europe and southwestern Asia and thus has been cultivated in Morocco and Portugal, southern Germany and Iran [...] The grape is the fruit of this plant and is actually a berry. Grapes are consumed fresh and they are processed to make wine or juice and dried to produce [...] raisins. Nowadays there are between 5,000 and 10,000 varieties of Vitis vinifera grapes, but only a few play an important commercial role when it comes to the

• Soybean

  Argentina, Brazil and the United States. Soybeans are now an important global crop can be used as food crop, but also provide oil and are a major source [...] soya bean is a so-called legume and indigenous to East Asia. It is extensively cultivated for its edible beans. The fruit of the plant is a hairy pod, that [...] centimetres long (1-3 inch) and contains two or four seeds that measure 5-11 mm in diameter. Soybean seeds vary greatly in size and the hull can be black or

• Botrytis: Ten must-knows

  March 26, 2025

  loves soft plant parts, such as soft fruit, petals, and lush leaves. Crops with firm leaves are much less attractive and are therefore at a lower risk. The [...] strawberry and grape. This fungus has also changed its name and is now officially called Botryotinia fuckeliana. Other Botrytis species are fussier and more [...] Botrytis is an above-ground fungus, and there are many species. The fungus is found all over the world and can infect a wide variety of plants. If conditions