Spidex

Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction [...] Mini-Airbug, Natutec Airbug or Natutec Airobug Dosage The dosage of Spidex depends on climate, crop and spider mite density and should always be adjusted [...] distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus persimilis is most effective at te

Spidex Vital

Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction [...] Mini-Airbug, Natutec Airbug or Natutec Airobug Dosage The dosage of Spidex Vital depends on climate, crop and spider mite density and should always be adjusted [...] distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus persimilis is most effective at te

Spidex Vital lives up to its promises

the population develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk. [...] problems in cucumbers. The ability of Spidex Vital to tackle spider mites and hot-spots effectively brings a sense of calm to the farm.’ He states that [...] leaflet, he tells us. ‘Spidex Vital immediately gets to work on tackling spider mites and hot-spots, the beneficials search more effectively and as they lay their

Blight of pepper

brown-black lesions occur on the larger roots. Plants wilt and the crown leaves drop off. Life cycle and appearance of Blight of pepper Phytophthora species [...] and fruit rot of peppers and other important commercial crops. Damage symptoms Phytophthora causes root rot, seedling damping off and rot of stems, bulbs [...] pathogen grows into the stem and on the plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia are formed

Loose smut of barley

emergence. The first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut spores. [...] known as barley smut, or loose smut of barley. Life cycle and appearance of Loose smut of barley The seeds are infected during flowering and the infected seeds [...] to prevent Loose smut of barley Use clean seed: Apply systemic fungicide treatment of seeds. Contact fungicides are not effective Apply heat treatment,

Loose smut of wheat

emergence. The first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut spores. [...] is also known as loose wheat smut, or loose smut of wheat. Life cycle and appearance of Loose smut of wheat The seeds are infected during flowering and [...] to prevent Loose smut of wheat Use clean seed: Apply systemic fungicide treatment of seeds. Contact fungicides are not effective Apply heat treatment,

Root rot of carrot

exhibit by necrotic leaf spots Life cycle and appearance of Root rot of carrots The fungus of R. carotae has delicate, simple morphological features hence [...] only host plant of the fungus. How to prevent root rot of carrot Studies have shown that 3several key factors influencing the occurrence of blemishes and [...] black spots over the entire surface of the carrot. These spots gradually change into larger dark brown to black lesions of various shapes. The lesions can

Downy mildew of Cucurbits

They cause lesions on the upper leaf surface, bordered by the veins, which are first yellow and then turn brown. On the underside of the leave fluffy growth [...] grey-brown. This is actually the sporulation of the pathogens extruding from the stomata. Life cycle and appearance of Downy mildew Pathogens causing downy mildew [...] 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 to prevent

Black rot of carrots

in the soil and on crop residues and cause primary infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria [...] appearance of Black rot of carrots Black rot of carrots ( Alternaria radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary [...] Damage symptoms Black rot of carrots ( Alternaria radicina ) causes death of seedlings and dark brown lesions with a yellow halo on leaves, growing into crown

Black leg of seedlings

and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection [...] infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to [...] conditions, especially dehydration. Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate