Ervibank

parasitise the wheat aphids ( Sitobion avenae ) present on the cereal planyd and form a large population of parasitic wasps on the cereal plants. The aphid [...] remains low due to the continuous presence of large quantities of parasitic wasps, searching actively for aphids in the crop. Pack size 1 box of cereal plants [...] Application Open the box immediately after receipt Fill a hanging basket of 20 cm diameter with a piece of wetted rock wool Take the tussock of cereal plants

Lurem-TR

Preparation Twist the top of the dispenser to activate the release of the kairomone. Application Hang the dispenser next to the sticky trap Place the sticky trap [...] Lurem-TR increases the attraction of thrips to blue and yellow sticky traps and thus ensures earlier discovery of the pest. Pests Several thrips species [...] Thrips tabaci . Crops Protected crops. Mode of action Lurem contains a kairomone, which is slowly released from the dispenser once opened. This makes adult

Caterpillars

to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths), which is the largest of all lepidopteran [...] that damage greenhouse crops is the leafroller family, the Tortricidae. The name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up [...] not able to chew and therefore graze the underside of leaves. This causes a window effect where the epidermis of the upper leaf surface remains undamaged

Mycotal in Salad Crops

Make the most of Mycotal in your salad crop IPM strategy Mycotal is a spore formulation of the insect pathogenic fungus Lecanicillium muscarium and is used [...] used for the control of the glasshouse whitefly , Trialeurodes vaporariorum , and tobacco whitefly , Bemisia tabaci . Mycotal is a novel pest control solution [...] hyphae that penetrate the insect’s epicuticle before entering the inner tissues, where it rapidly proliferates, causing death of the target pest. Salad crop

Powdery mildew

infected. In pepper, the fluffy colonies occur mostly on the underside of the leaf, because the fungus infects the plant by entering through the stomata and there [...] on the underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic, the fluffy colonies also appear on the upper [...] Rosaceae , the fungus causing powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore, this is where the colonies

Angular leaf spot

underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is the way the lesions look when using different [...] visible on the upper side of the leaf as irregular spots which are first reddish brown and then become necrotic. The foliar symptoms are the most important [...] appearance of Angular leaf spot Xanthomonas fragariae overwinters in plants and dead leaves, that become the primary source of infection in the spring. The bacteria

Pea blight, leaf and pod spot

transmitted on the outside of the seed coat and cause primary infection. The conidia germinate and infect through the stomata or directly through the cuticle [...] surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes post- and [...] sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds may have brown areas. Life cycle and appearance of Pea blight

Gummy stem blight

be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur together [...] air and the conidiospores by water drops, tools and hands of workers. The ascospores are the main source of dispersal of disease upwards in the crop and [...] higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy stem blight. On the lesions, black specks, the new fruiting

Crazy roots, hairy roots, crown gall

primary source of infection by Rhizobium rhizogenes has not yet been defined. The assumption is that the bacteria survive in the soil, but it is possible that [...] caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and [...] vitis, Agrobacterium rhizogenes and Agrobacterium rubi, n ow the first part of the name is changed to Rhizobium. Rhizobium rhizogenes or Rhizobium radiobacter

Bacterial soft rot, bacterial stem rot

rot is first noticed when plants wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial [...] bacterial growth in the pith, the stem seems wet and slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions [...] senescent leaves and from there grow through the petiole to the main stem through the xylem vessels. High humidity is required for disease development. Erwinia