Black sigatoka disease

optimal conditions (humidity close to saturation and temperature above 20 °C). How to prevent Black sigatoka disease Use resistant cultivars Remove or burn [...] cannot be discharged from the lower leaves in the stack Use under-canopy (drip) irrigation to reduce splash dispersal Lower the humidity as much as possible [...] spots or streaks on leaves of about one month old. The symptoms run parallel to the veins. Within a few days, the spots become a few centimetres in size and

Pea blight, leaf and pod spot

spores require water for dispersal. How to prevent Pea blight, leaf and pod spot Grow peas in arid regions Use clean seed Use a minimum crop rotation of four [...] elongated. The lesions are light brown, sunken and surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves. The

Steinernema carpocapsae

management in agriculture and horticulture. How to apply Steinernema carpocapsae nematodes? Nematodes can be applied using a watering can, an airblast sprayer [...] applied to the soil or sprayed onto plant foliage as a biological control method, offering a natural and environmentally friendly approach to pest management [...] vehicle-mounted spray unit To avoid blockage, all filters should be removed, especially if finer than 0.3 mm (50 mesh) Use a maximum pressure of 20 bar/290

Cookie Statement

statistics about how our website is used. This allows us to further optimize our website for the benefit of our users. Your consent We only use optional cookies [...] browser to optimize the way our website is displayed on your screen. Analytical cookies/optional cookies We use third-party analytical cookies to collect [...] will appear, which asks for your consent to use optional cookies. If you have given your consent, we will use a cookie on your computer and the banner

Early blight

species through the splash of rain. How to prevent Early blight Remove crop residues, weeds and volunteer plants. Use clean seed and propagation materials [...] specific symptoms. Damage symptoms Alternaria solani causes small green to dark brown spots to occur on leaves. Those spots then turn into dark brown angular lesions [...] of leaves, Alternaria solani can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Sporulation of Alternaria occurs

Fusarium wilt

branch off from the tap root. How to prevent Fusarium wilt Remove or destroy crop residues Choose resistant cultivars Use clean propagation materials (seed [...] plantations may die and the soil may not be suitable for planting for many years to come. Life cycle and appearance of Fusarium wilt Fusarium oxysporum has many [...] Some also produce ascospores. The Fusarium oxysporum life cycle, is similar to that of most Fusarium species. Fusarium overwinters for many years in the

Damping-off

c, so these do not harm plants. How to prevent Damping-off Use resistant cultivars or graft on tolerant cultivars Use clean planting material Ensure regular [...] Increase the distance to the main substrate at the start by using higher substrate blocks for the seedlings. In field crops: Avoid the use of fields with inadequate [...] spores with flagellae, which enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards

Bacterial wilt, brown rot

favourable. This makes it more difficult to recognize infected fields. How to prevent Bacterial wilt, brown rot Use disease free propagation materials (seed [...] help the bacteria to infect the crop Do not use cut potatoes for propagation, since cutting tubers can increase disease incidence with up to 250% Quarantine [...] it is tuber-borne. Spread from plant to plant results from bacteria moving from the roots of infected plants to neighbouring plants. The bacteria can

Macrocheles robustulus

structure. The minimum temperature for successful use of Macrocheles robustulus is 15°C (59°F). How to use Macrocheles robustulus The predatory mite Macrocheles [...] size and pearly white. Best conditions for use of Macrocheles robustulus For optimal results the soil has to be moist, rich in organic matter and have a [...] strategies. Macrocheles robustulus for pest control Macrocheles robustulus is used for the control of the following pests: Sciarid flies (fungus gnats) Thrips

Downy mildew of rose

overwinter in living host plants like blackberry. How to prevent Downy mildew Choose resistant cultivars Use a wide crop rotation with non-host crops Prevent [...] plant to fall over. In cabbage the stem is also infected in severe epidemics. In blackberry, red stripes may occur on the stems and petioles due to systemic [...] fruits die and shrivel. Later infections cause the berries to split and one or both parts to possibly shrivel. Life cycle and appearance of Downy mildew