• Pepino mosaic virus

  growth patterns Life cycle of Pepino Mosaic Virus (PepMV) PepMV spreads quickly in tomato crops due to its simple, contact-based life cycle. Entry The [...] is Pepino Mosaic Virus (PepMV)? Pepino Mosaic Virus (PepMV) is one of the most economically significant viral diseases in greenhouse tomato production worldwide [...] impact on fruit quality, effective prevention and management are critical for maintaining yield and marketability. PepMV is a highly contagious plant virus

• Yazu

  spraying equipment. For optimal efficacy, good crop coverage is required. Direct the spray onto both the upper and underside of the leaves. For best results, [...] . It is recommended to for foliar sprays to apply at the end of the day or early morning. Compatibility Yazu is compatible for tank mixing with a wide [...] other solutions but may be affected by some products. The product is safe for most beneficial insects and beneficial mites. Before using Yazu, always check

• Leaf stripe

  temperature during seedling emergence is critical for infection. Soil temperatures below 12 °C are most conducive for this disease and infection does not occur [...] The leaf splits at the end which makes it look shredded. This is typical for this disease. Infected plants may be stunted and heads may be distorted and [...] reduced and kernels may be brown. The symptoms do not always occur together. Life cycle and appearance of Leaf stripe Pyrenophora graminea is monocyclic, which

• Black leg of seedlings

  stress, caused for example by too much water, too high or low temperatures or sudden fluctuations in temperature. Pythium ultimum mostly occurs at low soil [...] older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but [...] 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 the Oomycetes

• Blue mold

  surrounded by a water-soaked ring where the white mycelium is not visible yet. Life cycle and appearance of Blue mold Only conidia are produced by Penicillium [...] in orchards and are dispersed by wind. The conidia infect the fruits. In most crops, infection does not become visible until the post-harvest stage. However [...] at temperatures between -3 and 34 °C with an optimum between 22 and 24 °C for growth and sporulation. The fungus is closely related to Penicillium digitatum

• Maximizing the effectiveness of parasitic wasps

  such as crop type, pest life cycles or environmental conditions. Best practices for deploying parasitic wasps Parasitic wasps are most effective when introduced [...] deployment: Select the right species Different wasps target specific pests. For example, Aphelinus abdominalis ( Aphilin ), Aphidius colemani ( Aphipar ) [...] En-Strip ) and Eretmocerus eremicus ( Ercal, Enermix ) are parasitic wasps known for their efficacy in controlling whitefly populations. Timing the release Wasps

• Downy mildew of lettuce

  lettuce is a destructive disease caused by Bremia lactucae . It is one of the most economically important diseases affecting lettuce production worldwide and [...] of lettuce downy mildew can occur at any stage of crop development and are most severe during cool, humid conditions. Leaf symptoms Pale green to bright [...] economic losses due to reduced yield, lower product quality, and crop rejection. Life cycle of downy mildew of lettuce Survival Bremia lactucae survives between

• Nature’s little helpers star in a new set of videos

  February 11, 2019

  scenes are taking place in nature all the time, but most of the encounters between insects and mites, for example, cannot be seen with the naked eye. Koppert [...] useful visual material for growers, agricultural consultants, academic institutions and those interested in sustainable solutions for the production of food [...] Biological Systems is introducing High Definition videos which feature the most prevalent pests and their natural enemies in the lead roles. The close-up

• Aphidius ervi

  products for advice on the best strategy for your situation. Best conditions for use of Aphidius ervi The parasitic wasp Aphidius ervi is most effective [...] valuable agent for integrated pest management . Adult wasps do not feed on aphids but require only nectar and water to sustain themselves. Life cycle and [...] can parasitize hundreds of aphids within two days. Aphidius ervi is used for the control of the following pests: Potato aphid ( Macrosiphum euphorbiae

• Powdery mildew of strawberry

  critical for fruit set and early marketability. Late-season infections primarily affect fruit quality and shelf life rather than fruit set Life cycle of [...] strawberry is a fungal disease caused by Podosphaera aphanis . It is one of the most important diseases affecting strawberry production worldwide and can occur [...] strawberry varieties Unlike many foliar pathogens, free moisture is not required for infection and prolonged leaf wetness may inhibit disease development. How