Downy mildew of Cucurbits

can take up nutrients from the living plant cells. The pathogens continue to grow inside the leaves and after a while new spore-bearing structures are protruding [...] the underside of the leaf, this is where most fluffy symptoms are found. How to prevent Downey mildew Choose resistant cultivars Use a wide crop rotation [...] mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and Phytophthora. They survive as oospores. From these oospores or

Caterpillars

at the video or go to our Youtube channel to see our caterpillar control products in action. More caterpillar control videos How to get rid of caterpillars [...] plant tissue. Many species cause damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths) [...] name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted to a single crop, most are

Grower Koen - Embracing biological crop protection in agriculture

the opportunity to continue the business. While the trend towards organic farming was growing, Koen felt that it would be too quick to completely abandon [...] bodies, in organic farming marks the path to the future. "You grow into it a bit," notes Koen. With the growing availability of knowledge and the number [...] abandon traditional methods. He decided to find a balance between both approaches. This way of working allows him to gain experience in using biological crop

Mealybugs and scales

look at the video or go to our Youtube channel to see our mealybug control products in action. More mealybug control videos How to get rid of mealybugs & [...] important families within the superfamily Coccoidea. This superfamily belongs to the order Hemiptera (the true bugs ). Coccoidea are at first sight barely [...] plant sap, mealybugs and soft scales also produce honeydew (on which moulds grow) resulting in considerable damage in ornamental and fruit crops and loss

Beneficial nematodes

guideline on how to apply nematodes (always check the label for detailed application advice): Choose the right nematode species tailored to your specific [...] fruit orchards How do nematodes work? Beneficial nematodes use a fascinating strategy for parasitizing and killing their host insects. Here's how they work: [...] cuticle areas. Some nematodes release enzymes to help digest and soften the host's cuticle, allowing them to enter. Symbiotic bacteria release: Once inside

Sciarid flies

minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length [...] constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly [...] they generally do little harm to healthy plants, sciarid flies are particularly problematic in cuttings and other young growing plant material. Damage symptoms

Green peach aphid

sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the [...] aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that [...] of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season,

Trianum effectively controls Pythium in cucumber

pots (two plants in one rockwool cube). He decided to do this in response to his crop’s susceptibility to Pythium. ‘My crop gets 20 hours of light a day, [...] mats and whole rows had to be rejected, and the fungus would spread through the gutters to adjacent mats. ‘We sometimes lost up to 50% of production on the [...] Cucumber grower Kees Hendriks (Qcumber) explains how his plant protection strategy has moved from integrated to ‘almost’ biological, using fewer and fewer chemicals

Fusarium wilt

small wounds, for example where lateral roots branch off from the tap root. How to prevent Fusarium wilt Remove or destroy crop residues Choose resistant cultivars [...] plantations may die and the soil may not be suitable for planting for many years to come. Life cycle and appearance of Fusarium wilt Fusarium oxysporum has many [...] different symptoms. Fusarium oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads upwards inside the

Consumers

around the world to combat pests and diseases in a natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society [...] already had a very long journey. The plant first has to form fruit before the tomato can actually start to grow. In nature, insects and other animals take care [...] society, with safe food in sufficient quantities to feed a rapidly growing population. Producing our natural enemies, bumblebees, and microbiological solutions