• Bacterial canker of tomato

  the name ring rot. Life cycle and appearance of Bacterial canker of tomato Clavibacter is seed-borne and tuber-borne and primary infection is mostly from [...] clothing and gloves, disinfect tools and greenhouse structures Use a crop rotation in field crops of at least two years and alternate with a non-host [...] . Potato growers lose their entire crop of the affected field and potatoes from other fields on the farm, are labelled as ‘suspect’ that year. On the infected

• Effective whitefly control with predatory mites

  whiteflies, thrips and other small insects and mites. It feeds on eggs, crawlers and larvae of whiteflies and has a big appetite compared to other predatory mites [...] detection and integrated pest management (IPM) essential. Biological control of whiteflies with predatory mites Predatory mites are natural enemies of whitefly [...] different climates and crop needs. Amblyseius swirskii Amblyseius swirskii targets whitefly eggs and young larvae, as well as thrips larvae and other small insects

• Black leg of seedlings

  infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to [...] roots rot and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium [...] subsequently zoospores are produced. Zoospores are spores with flagellae, which enable the spores to move through water. The zoospores are chemically drawn to

• Thrips Management with biocontrol solutions

  various stages of their lifecycle. These mites are natural enemies of thrips and use their agility and specialized mouthparts to attack and consume them [...] various crops and growing conditions. Thrips control with predatory mites Predatory mites are a cornerstone of thrips control, actively hunting and consuming [...] Horiver sticky traps and Horiver Rollertraps are important tools in ascertaining whether thrips are present, and – in the case of the Rollertraps – also

• Crop Monitoring and Scouting

  traps and pheromones, growers can promptly detect the presence of pests and respond accordingly. Benefits of crop monitoring and scouting One of the most [...] monitoring and scouting In the world of agriculture and horticulture, the phrase "knowledge is power" couldn't be truer. Crop monitoring and scouting are crucial [...] determine the success or failure of a harvest. These essential techniques provide growers with insights into the health and growth of their crops, enabling them

• Downy mildew of rose

  that causes plant diseases, such as downy mildew of rose and diseases on blackberries, raspberries and other Rubus species. Damage symptoms Downy mildew pathogens [...] stems and fruits. They cause lesions on the upper leaf surface, bordered by the veins, which are first yellow and then turn brown. On the underside of the [...] berries to split and one or both parts to possibly shrivel. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes

• Pierce's disease of grapevine

  leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent tissue turning yellow or red. This desiccation spreads and the whole leaf may [...] may shrivel and drop off. Infected stems show irregular maturation and patches of brown and green tissue. In the following seasons, these infected plants [...] development and produce chlorotic shoots that are stunted. When the infection becomes chronic, the leaves become distorted with interveinal chlorosis and the shoots

• Downy mildew of Cucurbits

  structures are protruding from the stomata. Because there are more stomata on the underside of the leaf, this is where most fluffy symptoms are found. How to prevent [...] by the veins, which are first yellow and then turn brown. On the underside of the leave fluffy growth appears which is first white and later turns grey-brown [...] the sporulation of the pathogens extruding from the stomata. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes

• Black rot of carrots

  direct and through wounds and stomata. Spores are dispersed by wind and in some species through the splash of rain. How to prevent Black rot of carrots [...] dark and brown concentric rings that are caused by sporulation. Species may differ in specific symptoms. Life cycle and appearance of Black rot of carrots [...] species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival can be several

• Foot rot of cereals

  primarily affects the roots and lower stem of cereal plants, leading to rotting and ultimately compromising plant health and yield. Microdochium nivale [...] shrivelled grains with a chalky white or pink appearance, although this is not always the case. Life cycle and appearance of Foot rot of cereals Microdochium [...] complex interactions with environmental conditions and host plant physiology. Typically, the lifecycle begins with the release of spores from infected