• Fall Armyworm

  which is sufficient for them to move from seasonally dry habitats to wet habitats in Central America. This makes it possible for fall armyworms to spread [...] maize, young larvae usually feed on leaves, creating a characteristic windowing effect. This damage and moist sawdust-like frass near the funnel and upper

• Caterpillars

  solutions for caterpillars, professional growers can protect their crops effectively and sustainably, ensuring consistent quality and yield. Solutions for caterpillar [...] affects yield and quality. Effective caterpillar control is therefore essential for maintaining healthy and productive crops. Biological control of caterpillars [...] able to chew and therefore graze the underside of leaves. This causes a window effect where the epidermis of the upper leaf surface remains undamaged.

• Powdery mildew

  contact with water for no more than a few hours. Powdery mildew spores, either ascospores or conidia, don’t need nutrients or water for germination. In general [...] advised to first ventilate by only opening the windows on the lee side. Please note, this is not relevant for other diseases that are inhibited by reducing [...] perithecia, structures containing ascospores. Ascospores have not been found yet for all powdery mildew fungi and especially in greenhouse crops they don’t play

• Leek moth

  the plant. Severe damage also occurs on inflorescences of plants cultivated for seed production where serious seed loss can occur. On leeks, larvae mine the [...] the larvae feed on the parenchyma inside the hollow leaves, forming white windows closed by the epidermis. When feeding takes place at the base of the hollow

• Mycotal

  product label for more information Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] Mycotal requires sufficient humidity inside the crop canopy for several hours after application for the spores to germinate and infest the pest Spray at late [...] m. Downloads FAQ Mycotal Preparation Take the required amount of Mycotal For optimal effectiveness combine with an adjuvant such as Addit or Squad Mix

• Diamond back moth

  the wax layer on the upper surface intact, thereby creating translucent windows. In cases of severe infestation, entire leaves may be destroyed, leaving [...] Throughout their development, larvae remain quite small and active. Except for the first instar, which mines in the leaf tissue, the larvae are voracious

• Pepino mosaic virus

  ) can also act as a host. Damage symptoms The impact of a PepMV infection for the tomato grower is variable. Several factors contribute to this variability [...] factor that might have an important impact on the damage that is caused. For instance, an infection early in the season, when the plant does not yet bear [...] laden. Typical of the damage caused by PepMV is, that it is very intense for a few weeks and then disappears to eventually return later in the season.

• Broad mite

  different to the others and not used for walking. After moulting to the third larval stage the larvae stay in their cuticle for one or two days and then emerge [...] distortion of the above-ground growth of the plant. The mites show a preference for young, developing plant tissue, like the growing tips, young leaves and flower [...] deformed corky patches frequently appear causing misshapen fruits that often crack open at the site of deformation. Flowers are often discoloured, and with

• Optimizing bumblebee hive schedules in winter

  scheduling and hive management become critical for maintaining crop yield and quality. We discuss key strategies for hive introduction, adjusting hive numbers [...] indicate longer pollination windows, allowing existing hives to maintain adequate pollination coverage without the need for additional colonies. Coordinating [...] Coordinating with suppliers for timely hive availability Effective planning and communication with bumblebee suppliers are critical for maintaining a consistent

• Tobacco thrips

  points for thrips. Remove weeds and crop residues : Eliminate weeds and crop residues in and around greenhouses, as they can serve as reservoirs for Thrips [...] to prevent them from becoming breeding grounds for thrips. Biological control of Thrips parvispinus For effective biological control of Thrips parvispinus [...] crops, where warm temperatures and high humidity create ideal conditions for rapid multiplication. This thrips species is a serious pest of many cultivated