• Tackling Thrips is Always a Puzzle

  August 18, 2021

  on a gerbera flower In the top ten of infestations that lead to sleepless nights, thrips is near the top. Western flower thrips , in particular, occasionally [...] growers only get thrips under control with the use of a lot of chemicals. Others rely entirely on the use of various natural enemies – particularly predatory [...] are various species. These days, the western flower thrips causes the most problems. It pricks cells on the surface of leaves and flowers and sucks them

• Whitefly – small pest, big problem

  February 2, 2023

  is one of the most serious. The larvae and mature insects can pick up the virus before transmitting it in the adult stage. Even more misery The tobacco [...] more negatives. The larvae of the tobacco whitefly inject enzymes into the plant, causing damage. This can include irregular ripening in tomatoes and peppers [...] peppers, yellowing of flower stems in gerbera, and severe yellowing of the leaves of green beans. Other symptoms include chlorotic spots, falling fruit

• Unprecedented Journey for Future Leaders

  July 24, 2018

  leaders from the Netherlands. In addition, participants will need to work out their own vision on the future of horticulture and the role of their own company [...] from around the globe, with a minimum of 5 years working experience in a leading position within a future proof producer of ornamentals . The working language [...] and by the end of August, 12-15 managers are selected to be part of this first edition. Participation to the Pro Manager Master Course is free of charge

• Help! How Does Thrips get Into My Crop?

  December 21, 2021

  hiding. In winter, the insect hides away in sheltered spots, in crevices, on plant waste, or in the ground. Their pupae are also concealed in the soil. Thorough [...] thrips starts off low down in the crop, on the underside of leaves near the veins. These thrips are also found on weeds in the greenhouse; a good reason [...] soon as the crop has been cleared out of the greenhouse or field. 2. They fly into the greenhouse Adults can fly into the greenhouse through the vents.

• World Food Day 2021

  October 15, 2021

  through the World of Resilient Agriculture | Resilience Food Stories in which photographer Ruud Sies and Hanneke van Hintum tell the stories of passionate [...] received the World Food Prize in 2019. Land of connections - Resilience Food Stories In this video Sjoerd Wartena tell us how he started a goat farm in France [...] better life’. The United Nations first Food Systems Summit held in Rome last month has called for bold new actions to transform the way the world produces

• Podcast with Tech OnDemand: Bill Calkins interviews Jeremy Webber, National Ornamental Team Manager

  December 15, 2024

  programs. Jeremy works with experienced teams in the field and in the lab and has a tremendous amount of knowledge regarding modern integrated pest management [...] from Jeremy’s article in the 2024 GrowerTalks BioSolutions Guide . Bill Calkins is widely known as the editor of Tech On Demand, the email newsletter discussing [...] experience in the industry, as a grower and as a trusted biocontrol advisor. He’s worked with greenhouses of all sizes, growing a wide range of crops—edibles

• Swirskii Predatory Mite Not All That Demanding

  August 18, 2021

  where the insects live, which is directly around the leaf. The microclimate there is often very different from that found elsewhere in the crop. The combination [...] combination of all these characteristics means that the mite truly thrives in greenhouse crops. However, in warmer regions and during the summer in temperate [...] but the humidity should not be too low either. Otherwise the eggs will no longer hatch. More specifically, the humidity is particularly important in the

• Top Reasons for Using Bumblebees

  August 18, 2021

  Bumblebees work earlier in the morning and later into the evening hours. Bumblebees work better in tunnels, as they have a better sense of direction. Bumblebees [...] releases large amounts of pollen onto the bee. In most situations, “buzz-pollination” will allow a bumblebee to pollinate a flower in a single visit. A honeybee [...] days, honeybees are less active at low light levels. Bumblebees will fly in winds of up to 40mph (64km/hr). Bumblebees pollinate flowers through a method called

• Fungi and Bacteria Deserve Greater Appreciation!

  May 31, 2019

  soil-borne diseases. The plant is also teeming with organisms, inside and out, the function of which is not yet known in many cases. What's certain is that [...] ’ Positive Image In fact, it's strange that fungi and bacteria have such a negative image. The reality is that the useful ones have the upper hand. As a [...] name because they can cause diseases in humans, animals, and plants. But this is largely undeserved: the majority of fungi and bacteria are actually useful

• Tomato Disease Top 10 Topped by mildew and Botrytis

  May 30, 2019

  cells and lives from the content of the dead cells. The affected areas grow quickly and cause a lot of damage, especially if the stems are also affected [...] resistance and provides a certain degree of resistance to the fungus. Powdery Mildew In fact, the method of combating mildew doesn't differ much from that for [...] strike depends heavily on the circumstances. But every grower must have something in their bag of tricks to defend against the fungal diseases mildew and