Downy mildew of Cucurbits

which the pathogen can take up nutrients from the living plant cells. The pathogens continue to grow inside the leaves and after a while new spore-bearing [...] C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce haustoria, small [...] remove crop residues and prevent splashing water. Prevent plant diseases by optimizing plant potential and crop resilience.

Mycotal

Empty the slurry into the spray tank and stir thoroughly Add the correct amount of adjuvant to the Mycotal spray solution and mix thoroughly Spray immediately [...] results. Direct the spray onto the underside of the leaves and to the growing points Make sure to keep stirring the spray solution during application For optimal [...] optimal results repeat the Mycotal treatment, at the specified interval, to target new juvenile stages as they emerge and break the pest life cycle Dosage Use

Pierce's disease of grapevine

tyloses block the vessels, causing the plants to wilt. Transport to different plant parts depends on the plant species: in peach, bacteria are found in [...] from one host plant species to another is still under investigation and seems to depend on the location of the bacteria in the infected plants. For example [...] numbers are found in leaves and fruits. The bacteria are transferred from plant to plant by all kinds of xylem-feeding insects. Well known, but certainly not

Natupol Excel

(<10 hours light) position the hive near the top of plants, in such a way that the hive is exposed to the first daylight Wait for at least 15 minutes after [...] Pay attention to advice for best practice under conditions with artificial light or in hot environments. Storage time after receipt To guarantee the best [...] from one greenhouse to another Remove bumblebee hives the latest 10 weeks after introduction Clean the hive stand before placing new hives Disposal After

Cotton aphid

the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants. Retarded [...] reduce yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein [...] individuals (up to 1.8 mm long) are usually dark green to black, while aphids produced in overcrowded colonies at a high temperature can be much smaller

Black bean aphid

usually at the younger parts of the plant but can spread all over the plant. Nymphs and adults extract nutrients from the plant and disturb the balance of growth [...] the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants. Retarded [...] reduce yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein

20250158_Valto_-_Label_V10_0_8_liter_EN_-_108x195mm_-_DEF_HR.pdf

tomato plant. • Approximately every 10 plants the scourer has to be dipped into the diluted product. • If the 0.8 l container is empty it can be refilled [...] Synthetic sand should be added to the spray/rub solution to create some minor damage on leaves, enabling the virus to enter the plant. KOPPERT UK LTD. 8 Tudor [...] once per tomato plant. Application has to take place before BBCH 61 first flower open. A maximum of 1 application per crop. The product can cause mild virus

Strawberry aphid

appear in May and June; these aphids disperse to other plants and fields. Winged aphids appear again from October to December. [...] most serious pests affecting strawberry plants. Direct damage is caused by the aphids sucking sap from the plant, which reduces the yield and quality of [...] due to the honeydew the aphids excrete. Black sooty mould fungi grow on the honeydew. The strawberry aphid is an important vector of several plant viruses

Tomato leafminer

Mining by the caterpillar causes malformations. Damage to fruit allows fungal diseases to enter, leading to rotting fruit before or after harvest. Life cycle [...] creamy white to bright yellow, darkening in the embryonic phase and becoming almost black near eclosion. The first-instar larvae are whitish to yellowish [...] the dorsal surface. Caterpillars can temporarily be found outside the leaf mines or fruit. Pupation takes place in the soil or on the surface of a leaf, in

Rose aphid

aphids. In summer, winged aphids spread the infestation to other rose plants and sometimes also to secondary hosts. Colonies are often present on rose bushes [...] by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood [...] although in mild winter some adults may continue to reproduce parthenogenetically. Large colonies of aphids can build up on roses in spring and summer; sometimes