• Fusarium head blight or scab

  density. The foot of the plant is infected, either because the seedling was infected or by direct infection of the foot by overwintering inoculum. On the infected [...] conidia are produced that further spread the disease. Gibberella zeae (Fusarium graminearum ) 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 spores are produced which may further spread the disease. Ascospores

• Aphidalia

  action The ladybirds feed on aphids and lay eggs in the aphid colonies. After emergence, the larvae also feed on aphids. Visual effect Aphids are consumed [...] 3 bags per tree Dosage The dosage of Aphidalia depends on climate and the size of the trees and should always be adjusted to the particular situation. Start [...] Paper bag. Carrier Buckwheat hulls. Application Open the bag and attach it to the tree near the first branch with a nail or wire stitch Apply 1 bag per

• Potato aphid

  As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young [...] to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium [...] greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms Nymphs and adults extract nutrients from the plant and disturb the balance

• Aphidend

  from the pupae and deposit their eggs in the aphid colonies. After emerging from the eggs the larvae consume the aphids . Visual effect Aphids are consumed [...] n Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents [...] should always be adjusted to the particular situation. Start introduction as soon as the first aphids are detected in the crop. Introduction rates typically

• Spical Ulti-Mite

  in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Swirski-Mite LD

  in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Spidex

  shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material [...] Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically range from 2-50 per m2/release. Releases should [...] products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus persimilis is most effective at temperatures between

• 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 [...] around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce [...] infect mostly the leaves but occasionally also stems and fruits. They cause lesions on the upper leaf surface, bordered by the veins, which are first yellow

• Ulti-Mite: Revolutionising biocontrol with innovative predatory mite sachets

  along with crop waste. Additionally, the moisture-resistant hooks used to hang the sachets ensure they remain effective and secure when applied outdoors. [...] pest management systems. Since 2016, the Ulti-Mite version of Amblyseius swirskii has been on the market. Nowadays the Ulti-Mite sachet is also available [...] environments where traditional paper sachets are prone to dry out and perform less. Extended release The breeding sachets function like a continuous engine

• Two-spotted spider mite control in hardy nursery stock grown in polytunnels

  July 20, 2021

  to use the Spidex Boost® sachets, which can be attached from the plant’s petiole using the sachet’s hook. Once in position, a small incision to the sachet [...] temperatures early in the season, and very high temperatures occurring intermittently during the summer,” commented Steve. As part of the spider mite control [...] Steve added, “By knowing which plants are prone to TSSM damage, and physically placing them in the same area on the nursery, makes spider mite control easier