• Caterpillar control in greenhouse crops

  June 20, 2019

  Tomato looper The Tortricidae are another group of caterpillars that affect greenhouse crops. The term ‘leafroller’ refers to the fact that the caterpillars [...] gamma - Silver Y Moth The most harmful caterpillars that occur in the greenhouse belong to the Noctuidae, which is the largest of all the lepidopteran families [...] Always read the label and product information before use. Pay attention to the risk indications and follow the safety precautions on the label.

• Predatory mites

  combination of predatory mites, food, and carrier materials. The mites breed within the sachets and subsequently disperse into the crop. These release sachets [...] essential to know where the pest is, how severe the infestation is and to identify the pest. Select the right predatory mite: Choose the appropriate species [...] ranging from pale tan and translucent to deep red or brown. The colour of predatory mites can vary according to the prey eaten. If the food supply has been absent

• A life-long passion for predatory mites

  September 30, 2024

  It’s all about maintaining the moisture in the sachets; keeping the moisture inside without harming the mites and creating the perfect ecosystem for them [...] us as experts in the rearing and mass production of predatory mites and use our mites for their experiments and trials in the field. The benefits are mutual [...] s in the Netherlands, Dr Tom Groot heads the Research and Development department for Macrobials. He shares that he is passionate about nature and especially

• Fusarium head blight or scab

  primarily infects the older, lower leaves. The spores are dispersed upwards to the ears by splashing rain drops or wind. On the infected ears, the typical pink [...] doesn’t germinate well and seedlings die, causing irregular crop density. The foot of the plant is infected, either because the seedling was infected or [...] or by direct infection of the foot by overwintering inoculum. On the infected foot, conidia are produced that further spread the disease. Gibberella zeae

• Scia-Rid

  n Remove the sachets from the box and keep them at room temperature for 30 minutes Empty the contents of the sachets into a bucket containing at least [...] 15-20°C/59-68°F) Stir well and leave the contents to soak for five minutes Stir again and pour the contents of the bucket into the half-filled spray tank (except [...] Sciaridae ) and other species of flies (e.g. Phorid flies ). Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body

• Vidi Fortum

  Shake the container well before use Fill the application tank with half the required amount of water Add the required amount of Vidi Fortum to the water [...] around the roots or sprayed on the plant canopy. Application as drench or via the irrigation system: A separate tank/container is recommended for the proper [...] preparation and application of the product Always add Vidi Fortum to the irrigation water after the sand filter, ideally directly injected at the irrigation

• Click beetles

  wireworms and feed on the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants [...] to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots. The larvae (‘ [...] fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following spring

• Glume blotch

  conidia on the oldest leaves, but seed transmission is also possible. The germ tubes can infect the leaves of the plants directly or through stomata. The lesions [...] humidity (RH). The optimum temperature for germination of the conidia is between 20 and 25 °C. The ascospores are responsible for wind dispersal of the fungus [...] leaves, stems and glumes. In the centre of the lesions, light-coloured translucent pycnidia (fruiting bodies) with new spores occur. The lesions may merge

• Foot rot of cereals

  temperatures and high humidity, the conidia germinate and penetrate the host's tissues. Inside the plant, the fungus colonizes the root and lower stem, [...] Damage symptoms M. nivale is the primary pathogen in the group that causes seedling blight. Seedling blight causes pre- and post-emergence damping off. [...] disease primarily affects the roots and lower stem of cereal plants, leading to rotting and ultimately compromising plant health and yield. Microdochium nivale

• Pollination checklist tomato

  bumblebee bites onto the flower and makes the flower vibrate. This is known as buzz pollination. The imprints of the bumblebee's jaw on the flower (bite marks) [...] crop and the presence of sufficient healthy flowers form the basis for good pollination . Various factors can disturb the health of the plant and thus [...] lengthy period, the hive and the colony may suffer damage. You should therefore position the bumblebee hive in the coolest spot, or at least in the shade, pa