Pollination checklist outdoor

crop and the presence of other pollinating insects. Bumblebees and honeybees are able to complement each other's pollination work and can therefore be released

Customer experiences

Ervipar

parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first introduction. Visual

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 [...] Although spider mites prefer a drier greenhouse climate, predatory mites are somewhat less keen on it. Spidex Vital still has to prove itself in such dry

Fusarium spp.

whole plant wilts. Other symptoms are brown discolouration of the xylem vessels, which can be seen when the stems are cut. In banana, whole plantations [...] pinkish-red as spores are formed. Ear infection decreases the baking quality of wheat and brewing qualities of barley. Furthermore, mycotoxins are produced, of [...] Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect wounded or stressed host plants

Powdery mildew

stomata. Conidia are the main means of dispersal. They are dispersed by wind, as are the ascospores. In general, powdery mildew fungi are not very resistant [...] Damage symptoms Powdery mildew symptoms are fairly similar in all plant-pathogen combinations. The symptoms are white fluffy colonies, first and foremost [...] entering through the stomata and there are more stomata on the underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic

Apple scab

scales. The lesions are olive-green. When spores are produced, the lesions become grey and fluffy. The lesions caused by ascospores are more restricted, whereas [...] the temperature, these ascospores mature and are subsequently released when they become wet. The ascospores are wind-dispersed to the fruit trees and will [...] conidiophores, structures which carry conidia, are formed which extend through the cuticula. The asexual conidia are released and repeat the cycle of infection

Bacterial spot

mildew infection, pepper plants shed the leaves that are severely infected. Humid conditions are conducive for lesion expansion. On the stems, long, narrow [...] s vesicatoria in tomato causes small, water-soaked spots on leaves which are first round and become more angular as they grow. The centre of the lesions [...] and stems and form long dark streaks. On fruits, first small black specks are seen on green fruits. The specks grow into brown spots that look like scab

Angular leaf spot

look dark green, but when transmitted light is used, they are translucent. When conditions are humid, a viscous bacterial exudate forms on the underside [...] side of the leaf as irregular spots which are first reddish brown and then become necrotic. The foliar symptoms are the most important, but also all types [...] that become the primary source of infection in the spring. The bacteria are also introduced in a crop in new transplants. This bacterium is very resistant

Dwarf bunt

Tilletia controversa causes (bunted) heads that are slender and remain green longer than healthy heads. The glumes are opened either on some or on all spikelets [...] types are distinguished. The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed [...] ten weeks for germination. The seedlings are infected after emergence; the two- to three-leaf stage plants are most susceptible. This disease occurs mostly