• Trial results Onion fly and Fusarium wilt

  10 30 5 15 0 Trianum-G Trianum-P Grower Standard Compilation of results from 5 trials from Germany and Spain. 0 Trianum-G Trianum-P Grower Standard [...] Trianum-G Capirel Scan this QR-code to know more about Biological Crop Protection “The general conditions of Koppert (Koppert B.V. and/or of its affiliated [...] cannot be held liable for unauthorized use. Koppert is not liable for any loss of quality if the product is stored for longer than recommended and/or under

• Precautionary measures for product allergies

  few weeks of the first moment of contact, or could take years to appear. Not everyone who is exposed to allergens will develop an allergy. It is difficult [...] via skin If there is a risk of exposure via your skin, we recommend that you wear protective clothing that covers your arms and legs (e.g. a disposable overall) [...] doctor. In case of a life-threatening situation call the emergency medical services immediately. A combination of factors The level of sensitivity differs

• Root and crown rot of strawberry

  crown and root of strawberry. Plant development is slow, growth is retarded and rooting is poor. Transplants look weak and may die. It is hard to visually [...] and Phytophthora cactorum . Life cycle and appearance of Root and crown rot of strawberry Not much is known about the life cycle. The fungus produces ascospores [...] clavispora in the case of root and crown rot (of strawberry), first found in The Netherlands, and Pestalotiopsis longisetula in the case of leaf spots, such

• Black sigatoka disease

  ultimately dies. In cases of severe infection leaves may die within a few weeks. Because of the lack of leaf tissues, fruit maturity is hampered. Life cycle [...] Mycosphaerella fijiensis also known as black sigatoka, is an ascomycete fungus that causes leaf-spot of banana. Damage symptoms Black sigatoka (Mycosphaerella [...] adjacent stomata. Both types of spores can germinate within two or three hours under humid conditions, but infection takes a minimum of two or three days under

• Verticillium wilt

  occur only in parts of the plant. Cutting the stalk horizontally reveals a slight discolouration of the vessels, brown or greenish, but much less distinct than [...] causes verticillium wilt and early dying of potato. Damage symptoms Verticillium species mostly cause wilting of plants. The wilting starts at the lower [...] fungus infects the roots of plants, directly or through wounds caused by for example nematodes. The fungus then grows into the vessels of the plant and produces

• Black leg of seedlings

  little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the [...] the easy stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to the Oomycetes [...] conditions, especially dehydration. Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate

• Bacterial wilt, brown rot

  . Race 3 is pretty much restricted to potato and tomato. Whereas other races have optimum temperatures of 35-37 °C, the optimum for Race 3 is 27 °C, which [...] very wide range of potential host plants. Damage symptoms In potato, field symptoms of Ralstonia solanacearum are wilting and yellowing of leaves and stunted [...] may show signs of stunting and produce many adventitious roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial

• Pierce's disease of grapevine

  General Xylella fastidiosa is a gram-negative bacterium which is limited to xylem tissue. It has many hosts, many of which show minor or no symptoms. More [...] Recently, it is becoming more problematic in olive. Damage symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf [...] plums): In peach, the canopy of infected plants is compact and umbrella-like due to the shorter internodes. The foliage is denser and the leaves are a darker

• Damping-off

  little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the [...] conditions, especially dehydration. Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form [...] in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings. Infected plants lag

• Aphidius ervi

  ervi female wasp can parasitize hundreds of aphids within two days. Aphidius ervi is used for the control of the following pests: Potato aphid ( Macrosiphum [...] conditions for use of Aphidius ervi The parasitic wasp Aphidius ervi is most effective between 20 and 25°C (68 and 77°F). This natural enemy is not effective [...] themselves. Life cycle and appearance of Aphidius ervi Aphidius ervi is a very dark aphid parasitoid. The waist is entirely black, without striping. As