Shore fly

throughout a greenhouse readily, they generally remain close to breeding sites. They breed in algae growing on soil, pots, benches, and other surfaces and the female [...] decaying organic matter on planting substrate. Growers consider shore flies to be mostly a nuisance pest, but the insects can act as vectors for disease [...] bacteria and other unicellular organisms, they do not cause any direct damage to plant production. However, they are considered a nuisance pest because the

Black rot of carrots

infection and this may lead to death of seedlings. From the primary infection of leaves, this type of carrot disease can spread to the flowers (especially [...] Spores are dispersed by wind and in some species through the splash of rain. How to prevent Black rot of carrots Remove crop residues, weeds and volunteer plants [...] A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases

Fusarium wilt

small wounds, for example where lateral roots branch off from the tap root. How to prevent Fusarium wilt Remove or destroy crop residues Choose resistant cultivars [...] 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 [...] different symptoms. Fusarium oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads upwards inside the

How To Use Spidex Vital Go - Predatory Mites to Control Spider Mites

RedStar places trust in Natutec Scout

it. ‘We don't really need to scouting for whitefly any more. You photograph the sticky traps, and this immediately tells you how the level of infestation [...] total, this amounts to a 28-hectare area. Jan has used the Natutec Scout app since its market launch. Last year, Koppert asked him to test a number of i [...] immediately see how the level of infestation is developing.’ A lot of time saved This trend in level of infestation pressure is now visible in easy-to-understand

Glasshouse potato aphid

fruit of sweet pepper it secretes a toxic substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced is u [...] aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that [...] a dark thorax and a dark abdomen that has pale to dark transverse bands. The body shape is similar to wingless females, but is 2.0-3.0 mm long. The glasshouse

Natupol Excel

brood and sugar water. Downloads Bumblebee stings Checklist growing lights Manual growing lights Pollination checklist Tomato Application Place the hive [...] exposed to the first daylight Wait for at least 15 minutes after positioning the hive before opening the hive entrance, this allows the bumblebees to calm [...] Pay attention to advice for best practice under conditions with artificial light or in hot environments. Storage time after receipt To guarantee the best

Mycotal - Effective at lower temperatures

inactive, they will start to build up a population as soon as the conditions are favourable. This can become a serious threat to you crop in a later stage [...] after application Mycotal 1g/l 09-2023 Mycotal 2g/l Control (Water) 16 How to use Mycotal with Low Volume Mist System Mode of action [...] stage. Therefor it’s crucial to eliminate pests in wintertime, when pest pressure is still low. In this way you start the new season in a clean way, giving

Black leg of seedlings

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 [...] plant, new sporangia with zoospores are formed, that allow the disease to spread to neighbouring plants. The zoospores disperse via water. Therefore, this [...] plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Black leg of seedlings Use resistant cultivars or graft on tolerant

Fusarium spp.

boat-shaped pink macroconidia are produced, which may be dispersed further. How to prevent Fusarium spp? Remove or destroy crop residues Select resistant cultivar [...] brown discolouration occurs. Infected glumes and kernels become white, due to dehydration, and later turn pinkish-red as spores are formed. Ear infection [...] of which DON (deoxynivalenol) is the best-known. The mycotoxins are toxic to mammals so maximum levels have been determined. Fusarium sambucinum (a.k.a