Gummy stem blight

the leaves Pick flowers within two days after opening in areas suspected of disease (only feasible in high-wire crops) Pick and remove dead and diseased leaves [...] pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in cucumber causes brown lesions on the foot and higher up on the stem. On the [...] spores, become visible. On the leaves, round and extending lesions may occur. In cucumber, the most important symptom is internal fruit rot, which can only

Grape downy mildew

overwinters as oospores in fallen, infected leaves. In mild climates, it can also survive as mycelium in grape buds and canes. In spring, oospores germinate [...] Plasmopara viticola is a plant pathogen causing downy mildew in grapes. P. viticola occurs in nearly all grape-growing regions worldwide. Damage symptoms [...] y with weather. Rigorous management is essential in wet climates and during unusually wet seasons in typically dry areas. Most grape cultivars are highly

Verticillium wilt

are pale-green, then orange-yellow. In the beginning the plant seems to recover at night. The symptoms may occur only in parts of the plant. Cutting the stalk [...] system usually stays mostly intact. In rose, branches die off from the top and purple brown stripes occur on the stem. In tomato, sometimes V-shaped lesions [...] Verticillium wilt Verticillium dahliae survives for prolonged time periods (many years) in the soil as microsclerotia, small hard survival structures that

Cryptobug

None. Application Deploy Cryptobug on rock wool slabs or in Diboxes close to or at a hotspot Apply in the evening Dosage The dosage of Cryptobug depends on [...] rates typically range from 2-10 per m 2 /release. Releases should be made in infested areas only and repeated if necessary. Consult a Koppert advisor or [...] control of citrus mealybug and grape mealybug combine with Citripar . Storage time after receipt Apply as soon as possible after receipt. If necessary, the

Aphids

Potato virus Y (PVY) is transmitted by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. Aphid control videos Take a look at [...] family containing many species that cause damage in cultivated crops. The most significant aphids that occur in greenhouses are: Myzus persicae subsp. persicae [...] moult four times before becoming adult, with the conspicuous white cuticles, shed during each of these moults, betraying their presence in the crop. There

Treatment of bumblebee stings and allergies

Bumblebees are found in the natural environment in many countries. In addition, bumblebees and honeybees are used as pollinators in agricultural and ho [...] to the site. In addition, a number of anti-itch ointments are available (e.g. containing diethyl-m-toluamide). In the rare case of a sting in the mouth or [...] only occur when the victim is stung dozens of times in a brief period. General allergic reactions can occur in the nervous or circulatory system, such as

Tutasan

distributed along the walkway and plant rows. Timing During the entire cropping period. Combined use Use in combination with Pherodis Tuta absoluta . Storage [...] the Tutasan trap for monitoring and trapping male tomato leaf miner moths in combination with Pherodis Tuta absoluta . Pests Tomato leaf miner moth ( Tuta [...] absoluta ). Crops Tomato. Mode of action The Tutasan trap needs to be used in combination with Pherodis pheromone dispensers. The dispensers release a

Lurem-TR

per 100 m 2 Replace after 6 weeks Combined use Use in combination with Horiver sticky traps. Storage time See package for expiry date. Storage temperature

Chrysopa-E

20-28°C (68-82°F). Combined use Can be used in combination with other aphid biocontrol agents. Storage time after receipt Apply as soon as possible after [...] from 10-100 eggs per m 2 /release. Releases should be made preventively or in infested areas and repeated at weekly intervals until control is achieved [...] for your situation. Environmental conditions Chrysoperla carnea is effective in a wide temperature range including low temperatures (average > 12°C/54°F)

Oleander aphid

is cosmopolitan, and can be found in tropical to warm temperate regions throughout the world. It probably originated in the Mediterranean region, the origin [...] abdomen). Nymphs are similar to apterae in appearance except that they are smaller. Size ranges from 1.5 to 2.6 mm in length. Females are viviparous and p [...] the milkweed aphid, is a common pest of several important ornamental plants in the families Apocynaceae and Asclepiadaceae. It is commonly found feeding