• Pierce's disease of grapevine

  January 1, 1970

  along the margin or the tip from early to midsummer. The necrotic area spreads over the leaf from the margin and is marked by a chlorotic band. In the beginning [...] substance, in the vessels. The bacteria, gum and tyloses block the vessels, causing the plants to wilt. Transport to different plant parts depends on the plant [...] depend on the location of the bacteria in the infected plants. For example, transfer from infected plum trees with high bacterial levels in the leaves

• Plant Disease Management

  January 1, 1970

  planting the same crop in the same location year after year. Rotating crops disrupts disease cycles and reduces the buildup of pathogens in the soil. D [...] control methods reduce the need for chemical pesticides, leading to fewer chemical residues on crops and produce. This not only improves the safety of agricultural [...] method used to manage and reduce the impact of plant diseases by utilizing beneficial organisms. This method relies on the use of living organisms to suppress

• Flies

  January 1, 1970

  directly and indirectly. The type of damage depends on the species of the flies. Direct damage is the immediate result of larvae feeding on root hairs and tender [...] ly small flies of the families Sciaridae (sciarid flies) and Ephydridae (shore flies). The larvae of these insects generally live on rotting plant material [...] and are mostly found in the soil. The spotted wing drosophila , Drosophila suzukii , has recently developed into a major pest on soft fruits in Europe and

• Brown root rot, corky root rot

  January 1, 1970

  gradually break off. The corky areas often occur as horizontal bands on the roots with lengthwise cracks. No discoloration is present in the xylem tissues which [...] rot. Damage symptoms The first signs of this disease, are poorly looking plants in localized areas of the greenhouse or field. The affected plants may wilt [...] at the roots, there are three different symptoms. Small feeder roots rot completely. Small roots may show smooth brown lesions. On older roots, the outer

• Angular leaf spot

  January 1, 1970

  lesions on the underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is the way the lesions look [...] become visible on the upper side of the leaf as irregular spots which are first reddish brown and then become necrotic. The foliar symptoms are the most important [...] dry leaves or leaves in the soil, but not independantly in the soil. Under humid conditions, bacteria ooze from the lesions on the leaves and form a secondary

• Rancho Los Pinos is nature's ally

  January 1, 1970

  Thanks to the use of Koppert's biological systems, producers around the world have reduced their impact on the environment by drastically reducing the use of [...] California, Rancho Los Pinos sets the standard for vegetable production, packing, and marketing in northwestern Mexico. Renowned for quality and committed to [...] domestically. The large production scale, high water demand, and pest pressures challenge the Los Pinos team to seek innovative solutions for sustainability

• Thripor-L

  January 1, 1970

  Make sure the material remains undisturbed at the introduction site for a few hours after application Dosage The dosage of Thripor-L depends on climate, [...] distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Optimal temperatures for Thripor-L are above 20°C [...] of action The predatory bugs actively search for prey. With their piercing mouthparts, they extract the contents of their prey, leaving the empty skin

• Whitefly

  January 1, 1970

  insects, they belong to the division Sternorrhyncha. The whiteflies form the family Aleyrodidae. The most common species are the greenhouse whitefly , [...] quantities. This can have the following consequences: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result [...] particularly important in ornamentals . The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty moulds ( Cladosporium

• Spidex Vital

  January 1, 1970

  shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material [...] Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus persimilis [...] material remains on the introduction site for at least a few hours after introduction Can also be applied with Natutec Airobreez, Natutec Mini-Airbug, Natutec

• La Hacienda Fresh increases crop profitability thanks to biological control

  January 1, 1970

  fruits and the time in which they can be produced and harvested, the price of the fruit in the market and the production costs. For this reason, the increased [...] been the main exporter of peppers with a 29% share globally, with the United States, Canada and the United Kingdom being the main destinations for this [...] longer shelf life, but also in the number of productive weeks and, therefore, in the profitability of the business. The implementation of a biological