• Downy mildew of Cucurbits

  structures are protruding from the stomata. Because there are more stomata on the underside of the leaf, this is where most fluffy symptoms are found. How [...] From these oospores or surviving mycelium sporangia are formed, structures in which zoospores are produced. However, in downy mildews, sporangia often [...] the stomata or directly by penetrating the cuticula. For germination free water is required. For most downy mildews, the optimum temperature is around

• Fit roots for plant health Technical bulletin 2020 EN

  nutrition for the rhizobiome. Healthy roots that can provide water whenever needed for optimum leaf temperature regulation are the basis for maximum stomata [...] It is also vital that there are sufficient opportunities for both the solution and air, to refresh their composition. For instance, oxygen (O2) must be [...] white papers, several aspects of growing are discussed, taking one or more plant balances as a starting point. For instance, how smart use of screens supports

• Pollination checklist tomato

  Bumblebees are ideal for the pollination of tomato crops. Koppert's Pollination Checklist indicates how the best pollination results can be achieved. Download [...] closed flowers provide a precise picture of the situation. Flowers that are open for longer than one day have between one and five bite marks Check the work [...] healthy 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

• Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

  thuringiensis , which can only be used on trees with leaves. Nematodes are a better solution for urban areas.’ Wolterinck BV sprays the nematodes when the caterpillar [...] Entonem on the oak processionary caterpillar . ‘We’ve been using nematodes for years. The product is our preferred method over products based on Bacillus [...] at least 30% of their leaf cover, Bacillus thuringiensis can also have a good combatting effect.’ Staunch advocate Wolterinck BV is a staunch advocate

• Mycotal in Salad Crops

  July 5, 2019

  achieve good contact with the target pests; select spray nozzles giving a droplet size range of 50-100 µm; angle spray nozzles to achieve good penetration [...] formulation of the insect pathogenic fungus Lecanicillium muscarium and is used for the control of the glasshouse whitefly , Trialeurodes vaporariorum , and tobacco [...] can be used throughout the cropping season. How does Mycotal work? Spores are applied to the crop using conventional spraying equipment, which germinate

• Oat

  cereal is grown for its seed and is used in food production, as oatmeal and rolled oats, and most commonly in livestock feed, especially for horses to boost [...] human consumption is chiefly eaten as porridge but also used in many baked goods. It is often present in cold breakfast cereals, muesli and granola. The oat

• Two-spotted spider mite

  sachets are a good preventative measure as the sachets enable a continuous supply of predatory mites even before the pest is present. Recommended for you Effective [...] size, they are capable of very rapidly doing severe damage, due to their great reproductive capacity. There are more than 1200 species worldwide and many [...] of two-spotted spider mite Two-spotted spider mites are small and have eight legs. Adult females are about 0.5 mm long. They have an oval body that is rounded

• Entonem keeps young orchids free from fungus gnats

  ‘These form the starting material for orchid growers worldwide,’ explains Dennis van der Wel who has ultimate responsibility for all cultivation activities. [...] n phase; our buyers operate a zero-tolerance policy. To make it possible for them to start with a clean plant, we maximize our use of biological plant [...] biological approach is clear to see: the company uses ten different beneficials for its two sites in Heemskerk, the Netherlands and its third location in Assendelft

• Spidex Vital lives up to its promises

  switch to Spidex Vital . His initial experiences in using the new product are positive. ‘I’ve known Phytoseiulus my whole life,’ the cucumber grower begins [...] of crop, an even better beneficial is always welcome. That was the reason for me to try the new product.’ Pest control starts sooner So far, Spidex Vital [...] the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk. ‘As already mentioned, spider mites can cause real problems

• Flowering and Pollination in Blueberry

  April 2, 2019

  berries. But is it only pollinators that are important, or are there other factors to take into consideration? There are a few critical periods in the blueberry [...] Focus on Flowering and Pollination Concerns are sometimes raised that the pollinators are not doing a good enough job, resulting in poor pollination . [...] growth stages Blueberries and bio-stimulants are a strong combination, especially during the spring, when plants are flowering, and pollination is taking place: