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Plant health

Grey mould

the fruit. In potted plants, the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey mould Spores of [...] cucumber: remove dead leaves on the stem once, especially in the autumn, because from these leaves the stems are infected, possibly killing the entire plant maintain

Grapevine powdery mildew

misshapen bunches Reduced yield potential Berry symptoms High susceptibility from fruit set until veraison White to grey powdery fungal growth on berries Inhibited

Cotton leafworm

covers the eggs with brownish-yellow hairs from her abdomen to make them less conspicuous and to protect them from desiccation. The cotton leafworm (Spodoptera [...] drying up of the buds. Yellowish to dark-green larval excrement protrudes from the holes they have produced. On tobacco, the stem base is often destroyed [...] head. In the last larval stage, they are 35 to 45 mm long. Coloration varies from grey to reddish or yellowish, with a median dorsal line bordered on either

Enhancing the efficiency of biocontrol applications with Natutec Airobreez

Airobreez has transformed our approach to biological crop protection ," says Tim from Labeau in the Netherlands. "Our greenhouse layout and equipment make using [...] As one of the first adopters of the Airobreez, the company has benefited from this advanced application device, which offers growers improved precision [...] innovative double duct system, the Airobreez disperses natural enemies both from zero to one meter and within a four-meter radius, setting it apart in the

Citrus mealybug

on the aerial parts of the plant, some species extract their nourishment from roots, whilst others are gall-formers. A few species can also transmit harmful [...] inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of [...] with a fine waxy material. They move very little. They can be distinguished from other mealy bugs by their possession of 18 pairs of relatively short wax

Cotton aphid

including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] betraying their presence in the crop. The cotton aphid can be distinguished from other aphids by the colour of the two cornicles (siphunculi). These cornicles [...] cornicles are always black, whatever the body colour, which can vary widely, from light yellow to light green, or even a green-black colour . This body colour

American serpentine leaf miner

and hard to distinguish from feeding spots. The larvae of Liriomyza trifolii are entirely ochre-yellow. When the larva hatches from the egg, it begins to [...] General The American serpentine leaf miner ( Liriomyza trifolii ) originates from North America, but occurs also in Europe since about 1976. The American [...] American serpentine leaf miner (Liriomyza trifolii) eats its way outwards from its egg, so that its mines join to form small plates. In various other crops

Greenhouse whitefly

vaporariorum ) originally comes from tropical and subtropical America, probably Brazil or Mexico. Hundreds of plant species from different families serve as [...] damage that whiteflies cause to a crop is the result of sucking out the sap from the plant leaves and secreting honeydew. This can have the following con [...] stadium and these pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies can usually be found