Blight of pepper

that causes blight and fruit rot of peppers and other important commercial crops. Damage symptoms Phytophthora causes root rot, seedling damping off and rot [...] temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs or in [...] water content of the soil or substrate is higher than normal or optimal for crop growth. How to prevent Blight of pepper Apply hygiene measures, like cleaning

Black root rot of cucurbits

cortex (outer layer) has rotten away. Infection in the early stages of the crop results in stunted growth and smaller leaves with an intense green colour [...] case of a less severe infection, the vines may wilt at a late stage of the crop, but when water supply is in any way limited during earlier periods of high [...] fungus can also cause black fruit rot. Solution Finder Find solutions for your crop Damage symptoms How to prevent Black root rot of cucurbits Test for the presence

Black sigatoka disease

puddles and ensuring optimal ventilation in the crop Prevent plant diseases by optimizing plant potential and crop resilience. [...] wind-dispersed over longer distances, the conidia are splash-dispersed within the crop. Both types of spores cause the exact same symptoms. They enter the leaf

Powdery mildew

mostly occur in these crops. In covered roses, the colonies appear first and foremost on the upper side of the leaves. In most crops, the white colonies [...] feed on living plant cells and barely survive in the absence of a living crop. They survive as ascospores or perithecia, structures containing ascospores [...] been found yet for all powdery mildew fungi and especially in greenhouse crops they don’t play a role in the epidemics. Fungal spores germinate on the leaf

Cottony soft rot

plants in a closed plastic bag Remove crop residues Prevent plant diseases by optimizing plant potential and crop resilience. [...] infects seeds and tubers, thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent

Spider mites and other mites

common crop pests. The two-spotted spider mite , Tetranychus urticae , is by far the most important species in greenhouses and many outdoor crops. Spider [...] spotting on the leaves affect the appearance of the crop. This is of particular concern in ornamental crops. Life cycle of spider mites Spider mite control [...] Spider mites and other mite species can rapidly infest greenhouse and field crops, feeding on plant cells and causing leaf discoloration, reduced photosynthesis

Tobacco aphid

encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, chrysanthemum, and various pot plants and cut flower crops. Damage symptoms Nymphs [...] making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering [...] from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco aphid ( Myzus persicae

Peanut

oil crop due to high oil content and grain legume. Groundnut is majorly grown as rainfed crop. The plant is short-statured and self-pollinated crop. The [...] About Groundnut/peanut is an important oilseed crop grown mainly for edible seeds. Oil content varies from 45 to 50%, depending on the varieties and agronomic [...] nutritional values to tree nuts, such as almonds and walnuts. Groundnut is legume crop with root nodules fixes atmospheric nitrogen and improves the soil fertility

Apple collar rot

temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs or in [...] water content of the soil or substrate is higher than normal or optimal for crop growth. How to prevent Apple collar rot Apply hygiene measures, like cleaning [...] nutrient solutions Prevent plant diseases by optimizing plant potential and crop resilience.

Caterpillars

some species are restricted to a single crop, most are polyphagous. Find solutions for caterpillars in your crop Life cycle of caterpillars Caterpillar [...] usually inconspicuously brownish are greyish. Adult butterflies do not damage crops. Most of them feed on nectar. In contrast, the caterpillars have biting and [...] and can devour large amounts of plant tissue. Many species cause damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae