Early blight

General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause [...] 90% or when the leaves are wet. Small differences in optimum temperature occur between species, but in general the risk of Alternaria infection is larger [...] seed and propagation materials. Practice crop rotation, in particular when spores surviving in the soil are the main source of infection. Especially wheat

Southern blight

predominate. It was first observed in tomato crops in Florida in 1892, and it has been regularly reported as causing rotting to the root and stem in tomato plants [...] progresses, it causes darkening and rotting of the stem, resulting in the destruction of the cortex and the main root. As a consequence, leaves higher up in the [...] the damage progresses, it causes darkening and rotting of the stem, resulting in the destruction of the cortex and the main root. In highly humid conditions

Contact

– 560097, INDIA Phone: +91 80 41606426 Email: info@koppert.in Our head office is located in the Netherlands Postal address: Postbus 155, 2650 AD Berkel

Crop Protection

growth and reliable harvests. It is essential in agriculture and horticulture for achieving healthy, high-yielding crops. At Koppert, we provide biological [...] Crop protection in agriculture Crop protection is the practice of protecting plants against pests, diseases, and harmful influences to ensure healthy growth [...] resistance, and maintain healthy crops. Learn more Plant disease management In addition to insect control, biological plant disease management solutions

Crane flies

during the autumn.. Larvae overwinter in the soil, usually in the third instar stage. and start feeding again in spring. They become active again and feed [...] Eggs are black in colour, oval, 1mm long and deposited on the soil surface. Larvae are cylindrical, tapering toward the head, and grey-brown in colour. Larvae [...] feed voraciously when the soil begins to warm up in spring. The larvae pupate below the soil surface in summer. The pupal stage lasts about two weeks.

Bacterial wilt, brown rot

makes it more dangerous in temperate regions. It survives well in water and in many different soil types and on alternative hosts like weeds. It invades [...] quarantine organism in Europe and considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical [...] a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential

Bacterial soft rot, bacterial stem rot

population densities. It can survive as epiphytic bacteria on various plants or in the soil in low densities. It has also been found in the gut of insects [...] carotovora . It is one of the pectolytic bacteria causing extensive bacterial rots (bacterial soft rot, bacterial stem rot). Damage symptoms In tomato, Erwinia [...] of the bacterial growth in the pith, the stem seems wet and slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits

Predatory mites

demonstrated its practical effectiveness, enabling the use of predatory mites even in suboptimal conditions. Examples of predatory mites in Ulti-Mite sachets [...] are similar to the adults in appearance, but smaller in size. Predatory mites are typically measuring only a millimeter in length. Their bodies are often [...] Predatory mites are beneficial arthropods used in pest control to manage and reduce populations of harmful pests in various agricultural and horticultural settings

Grapevine powdery mildew

unlike most other grapevine pathogens, it does not require free water (such as rain or dew) to infect, making it a persistent threat throughout the entire [...] conditions. Understanding its lifecycle is essential to implementing effective, preventive disease management strategies in commercial vineyards. The pathogen [...] buds or as chasmothecia (sexual fruiting bodies) attached in the bark crevices and plant debris. In spring, chasmothecia release ascospores during periods

General Conditions Koppert

to meet its obligations on account of circumstances beyond its control, it shall immediately orally inform its Buyer thereof and confirm this in writing [...] I f the Buyer does not meet its payment obligation in full within the term referred to in article 6.1, the Buyer is in breach without any further notice [...] notifies the Buyer in writing by not later than the fourth day thereafter that Koppert refrains from giving its consent to the agreement, in which case no agreement