• Bacterial canker of tomato

  white with a brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves [...] leaves and subsequent expansion of the wilt upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but [...] then growing into the vessels of the plant. Plant growth is inhibited and the plant wilts because the xylem vessels become blocked. The bacterium can survive

• Optimal placement of bumblebee hives

  advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives receive adequate [...] Correct placement of hives The right placement of bumblebee hives can significantly enhance the pollination efficiency of bumblebees. The following steps [...] sunlight, typically on the north side. If needed, the hives can be placed higher inside the crop, at a minimum height of 1.4 meters above the ground, particularly

• Treatment of bumblebee stings and allergies

  epinephrine into the thigh in the case of a sting. Tests and treatments are available at the Allergology department of the RdGG (Dr de Groot) at the Diakonessehuis [...] reaction against the injected venom develops. The response to a bumblebee sting can differ per incident. The stinger of a bumblebee or a wasp has no barbs [...] applied to the site. In addition, a number of anti-itch ointments are available (e.g. containing diethyl-m-toluamide). In the rare case of a sting in the mouth

• A life-long passion for predatory mites

  October 21, 2024

  infestations. In recent years, one of the most successful innovations came in the form of a breeding sachet. ‘Working together with multi-disciplinary teams [...] category above the rest in the mite production field as it guarantees the optimal establishment of the predatory mites in crops, especially in dry conditions [...] vital, for a prolonged period of time. ‘Having initially placed 100 mites in the sachet, a thousand can emerge over an extended period, enhancing the grower’s

• Six Ways to Identify the Cannabis Aphid

  May 24, 2024

  and almost 1/3 of their body length. 6. Do not rely on the color of the aphid. Colors will range from a cream color to pale yellow during a long photoperiod [...] to their dependency on the aphid species. The majority of all aphid samples brought to us from indoor cannabis crops is either the Cannabis Aphid ( Phorodon [...] (antennal tubercles) at the base of each antenna. These can be visible with a 10x hand lens and good lighting. 4. Bulbous (swollen) hairs on the horn like projections

• Supplementary Feeding for Biological Control: A Complete Guide

  July 24, 2024

  at most slightly extending the life span of the predators at the expense of decrease feeding on pests. On these types of crops, beneficial insects are [...] are already a highly nutritious source of pollen. The only time it makes sense to place pollen out in peppers is right at the beginning of the crop when [...] tly be a source of pesticides or heavy metal contamination to your crop if the product is not from a reliable source that tests all batches of pollen released

• Unauthorized Sellers: A Notice to Our Loyal Customers

  May 7, 2024

  stored for 1-2 weeks from the week number noted on the product, in a dark place at 14C. These exact two weeks will be shown on the batch code. For example [...] normally be a problem, however almost all of our products need to be used within 1-2 days after receipt from us. Storing any products for any length of time, [...] past the expiration date or under conditions different from those listed on the package will have a negative effect on quality and function. If needed

• Municipality Venray: biological control of oak processionary caterpillars

  In the Municipality of Venray a third of the tree stock in the area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as [...] for the Municipality of Venray. ‘We use nematodes at locations in outlying areas where there might be protected species of butterfly and moth. The major [...] as a curative measure against the oak processionary caterpillar for several years,’ explains Joep van Bergeijk, coordinator of oak processionary caterpillar

• Get Rid of Thrips Naturally Using Predator Mites!

  May 21, 2024

  and help decrease the possibility of a large infestation from developing. Remember, thrips pose a significant threat to a wide range of plant species throughout [...] (Frankliniella intonsa) all of which can be controlled by predatory mites . The primary predatory mites for the control of thrips are Swirski (Amblyseiulus [...] that they primarily feed on the first larval stage of thrips. These are tiny beige coloured larvae that hatch from the egg in the leaf or flower. This is key

• A dive into organic hop farming and biological crop protection

  like the red spider mite. The promising future of organic agriculture For Lukas Locher, the experiences gained from using beneficial insects mark a significant [...] advancement in the toolkit for organic farming. He envisions this approach as a crucial building block for the future of organic agriculture, providing a sustainable [...] However, amidst the challenges, there have been significant successes. Lukas recognizes the need for resilience and innovation in the face of change, acknowledging