• Treatment of bumblebee stings and allergies

  injected venom can develop. The response to a bumblebee sting can differ per incident, and per person. The stinger of a bumblebee or a wasp has no barbs [...] of a fever occurring or a Level 1 reaction, contact a medical provider. The medical provider may choose to keep an eye on the situation and see how things [...] stinger and are able to sting again. Honeybees do have a barbed stinger, meaning they can only sting once. When a honeybee tries to withdraw its stinger

• Frequently Asked Questions about Bumblebees

  November 15, 2018

  Before hibernation, a new queen will leave the nest and mate, with a drone. As temperatures rise and the spring season emerges, the new queen bumblebee awakens [...] pollen and nectar, as well as search for a suitable nest site. Once a nest is chosen, she will start laying eggs to build her own colony. Approximately 4 [...] for both pollen and nectar to provide resources for brood as well as maintaining the nest. As the nest continues to develop the Queen will not leave the

• About bumblebees

  through a method called 'buzz- pollination ', this will allow a bumblebee to pollinate a flower in a single visit. A honeybee typically needs to visit a flower [...] pollen and nectar, as well as search for a suitable nest site. Once a nest is chosen, she will start laying eggs to build her own colony. Approximately 4 [...] pollen and nectar to provide resources for the brood as well as perform maintenance jobs on the nest. As the nest continues to develop, the queen will not

• Aphids

  form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the [...] ion. They may also excrete a sugary substance called honeydew, which can attract other insects and lead to the growth of a black sooty mold. Aphids life [...] colour forms, or resistance to pesticides, remain unchanged and unsorted. The young aphids are born as developed nymphs and begin to feed instantly on plant

• Rhizoctonia solani

  was long believed to be a sterile fungus, but recently it was discovered that the fungus produces basidiospores. These spores don’t play a role in the epidemics [...] ff’), both before and after emergence. A typical symptom of root infection is that the taproot is reduced to a thread. Reddish-brown lesions occur on the [...] host groups. Not all isolates are pathogenic, many isolates are purely saprophytic soil inhabitants. How to prevent Thanatephorus cucumeris Sterilize the

• Target pests of beneficial nematodes in potato & outdoor vegetables

  every 7 to 10 days, to cover the risk period. Soil Larvae 3 billion/ha Pea moth Cydia nigiricana Apply once caterpillars detected. Repeat 2 to 3 times [...] detected. Apply 2 to 3 times - 3 to 5 days apart. Foliar Larvae 1-2 million/L spray until run off Onions Onion fly Delia antiqua Apply 7 to 14 days after [...] with 7 to 14 days interval. Soil Larvae 1,5 to 3 billion/ha Lettuce Caterpillars Various species Apply once caterpillars detected. Repeat 2 to 3 times

• Webinar Fit Roots for Plant Health

  March 2, 2020

  and Hoogendoorn Growth Management jointly give a webinar about how to facilitate root health and condition to get the best possible plant health . When: Tuesday [...] and irrigation in greenhouses. Over more than thirty years he has been involved in the development of hardware and software for climate control systems [...] register for this webinar until March 12. Click here to register for the webinar. We published a whitepaper about this topic on our Information Centre

• Flowering and Pollination – One of the Most Critical Blueberry Growth Stages

  April 16, 2019

  fruit in a 2-3-week window, during which the plant experiences a tremendous hormonal shift to support this reproductive phase. In addition to the standard [...] over 4 years. 85% of the strawberry growers were able to increase their yields by 5 percent or higher, bringing their return on investment to four to five [...] extracts, in a plant-based form for rapid assimilation, and Veni Calcium is easily absorbed by the plant due to its unique composition - using a foliar application

• Citrus mealybug

  their entire development. After the second instar, a male nymph forms a dark brown ‘prepupa’ from which a pupa rapidly develops, inside a white cottony [...] through a second and third instar after which they become sexually mature. Soon after becoming an adult the females start to release a sex pheromone to attract [...] Planococcus citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse

• The Revolutionary Spical Ulti-Mite Sachet

  October 28, 2019

  californicus is a beneficial which offers a great tool in the total system of spider mite control. Being able to build a system from a preventative and [...] Ulti-Mite offers a patented system which enables the predatory mites to settle and develop in a wide range of climatic conditions. It works as a complementary [...] effectively. Compared to regular sachets, Spical Ulti-Mite performs up to three times better. Spider Mite Control Neoseiulus californicus is a predatory mite