• Whitefly

  by the stiff hairs. As soon as the red eyes of the adult whitefly are visible in the fourth larval instar, the stage is referred to as a ‘pupa’. The different [...] hold their wings in a vertical position over their body when at rest. Color: As their name suggests, whiteflies are usually white or pale yellow in color [...] stunted. This is because the insects are drawing nutrients away from the plant as they feed on its sap. Sticky residue: Whiteflies excrete a sugary substance

• A dive into organic hop farming and biological crop protection

  beneficial insects in crop protection. As he navigates challenges and celebrates successes, his story stands as an inspiring testament to the evolving [...] highlighting the dynamic nature of embracing change in the agricultural landscape. As Lukas steers his hop farm towards organic production, setbacks have been [...] advancement in the toolkit for organic farming. He envisions this approach as a crucial building block for the future of organic agriculture, providing

• European red mite

  General As the name implies, the European red mite, Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack [...] s of the family Rosaceae grown in greenhouses. It originates from Europe (as can be seen from the common name, European red mite) but is now distributed [...] and when these coalesce the leaves loose colour; this is often referred to as bronzing. When infestation is heavy, leaves can drop. Life cycle and appearance

• Treatment of bumblebee stings and allergies

  sensitive location, such as near the eyes. As soon as possible after being stung, the person should take an anti-inflammatory (such as aspirin or ibuprofen) [...] the nervous or circulatory system, such as cardiac arrhythmia or difficulties with breathing. In this case as well, the victim should be taken to hospital [...] This information is intended as an education resource only and should not be used for diagnosing or treating a health problem as it is not a substitute for

• Cannabis aphid

  been unconfirmed reports of Phorodon humuli developing on cannabis plants, as well. Damage symptoms The cannabis aphid is a sap sucker, like all aphids [...] infested with Phorodon cannabis : Excess sap is excreted on leaves and flowers as a sticky “honeydew” which promotes the growth of black fungal moulds. White [...] Early in the season, the aphids are nearly colourless to pale yellow, and as the days become shorter, they change to light green or brown with dark green

• Greenhouse whitefly

  Brazil or Mexico. Hundreds of plant species from different families serve as suitable hosts for this whitefly. It occurs on many crops, including aubergine [...] sap. This contains a high proportion of sugar, and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that [...] is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and

• Rhyzobug

  should always be adjusted to the particular situation. Start introduction as soon as the first armoured scales are detected in the crop. Introduction rates [...] Can be combined with Aphytis melinus. Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2 [...] Small scales are consumed entirely. In larger scales feeding damage is visible as irregular holes in the scale cover. Pack size 500 adults. Presentation 90

• Thrips

  look for signs of thrips, such as distorted leaves or silvery streaks. Finally, introducing biological control agents such as predatory mites can be an effective [...] measure, as these natural enemies can help keep thrips populations in check. Predatory mites in sachets can be a good preventive measure as the sachets [...] characteristic "frass," which is a type of waste material that they produce as they feed. The frass looks like small black or white specks on the surface

• Cut flowers

  northern Argentina to Mexico and the Caribbean. Is grown from a bulb as a cut flower or sold as a pot plant. Freesia : The freesia is a herbaceous perennial flowering [...] About Many plants with an ornamental value are specially grown as cut flowers. This concerns various types. Origin, cultivation method and substrate differ [...] into small compact shrubs. In recent decades, the Hydrangea has been grown as a cut flower in all sorts of colors and sizes. Hippeastrum is the Latin name

• Don Sanchez Fresh innovates with biological control in avocados

  production there are a number of pests such as thrips , brown spiders, crystalline spiders, worms and ants, as well as root diseases that cause a reduction in [...] successful experience with biological control of pests and diseases in crops such as raspberries, led them to make the decision to implement this tool in the [...] disease management is essential. This approach combines a series of methods such as monitoring, cultural practices, biological control and, only when necessary