• Grape downy mildew

  January 1, 1970

  disease is often well-established before it can be visually detected in the field. Leaf symptoms Yellowish to light-green oil spots on the upper leaf surface [...] magna C2c Maky is known for its ability to produce a wide range of bio-active compounds involved in microbial interactions. When used as a lysate, these [...] symptom detection, a clear understanding of the disease cycle, and vigilant monitoring of high-risk weather conditions are key to maintaining a healthy vineyard

• Horiver Rollertrap

  January 1, 1970

  cm width is also available in lengths of 125, 150 and 500 m; other lengths on request Presentation Make sure that the Rollertraps are at least a room temperature [...] to provide additional support. It is recommended to replace the Rollertrap after 10 months, or earlier if the surface is largely covered by insects and/or [...] crop is still low, just before or after planting. Storage time See Best before date. Storage temperature 0-32°C/32-104°F. Storage conditions In a cool

• Broad mite

  January 1, 1970

  local growth. Leaf feeding is mainly concentrated on the underside near the leaf stalk, which tends to cause the leaf to turn brown and curl up. A typical [...] brown stripes forming a fine network on the leaves. In case of a more serious infestation, this network becomes so dense that there is no more green tissue [...] causing them to stand out as a green pattern against the brown leaf tissue. Brown, corky patches can appear on the leaf stalks and main stems. The growing

• Tea

  January 1, 1970

  cambod type). Tea is a dried leaf of a bush and contains theine. Tea beverage produced in freshly boiled water having leaves and leaf buds of the tea plant [...] . Tea plant is an economically important plantation crop extensively cultivated in the hills of North-eastern and Southern states. Tea is native of China [...] China. Tea bush is sub-tropical and tropical plant grows well in hot and humid climate. The ideal temperature for growth is 20-30 0 C. It requires well

• Bacterial spot

  January 1, 1970

  General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato [...] be surrounded by a halo. In pepper, the spots on the leaves are also round and small to start with and slightly raised from the leaf surface. They occur [...] occur on the abaxial (underside of) leaf surfaces and may enlarge into dark brown lesions with a light brown centre. As with powdery mildew infection, pepper

• Consumers

  January 1, 1970

  sufficient quantities to feed a rapidly growing population. Producing our natural enemies, bumblebees, and microbiological solutions is a knowledge-intensive process [...] Biological crop protection What is biological crop protection ? The idea behind biological crop protection is very simple: natural enemies such as predatory [...] to combat pests and diseases in a natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society, with safe food

• Pierce's disease of grapevine

  January 1, 1970

  The necrotic area spreads over the leaf from the margin and is marked by a chlorotic band. In the beginning, only a few leaves per branch are showing symptoms [...] 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 [...] symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent tissue turning

• Tobacco whitefly

  January 1, 1970

  whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and the excess is excreted [...] pupa via a T-shaped fissure. The adult whiteflies are often scattered over the entire plant where they deposit their eggs. This is why on one leaf all different [...] es: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight

• Apple scab

  January 1, 1970

  between 18 and 24 °C, only 9 hours of leaf wetness is required, at lower temperatures this increases to 12-28 hours of leaf wetness for successful infection [...] General Venturia inaequalis is an ascomycete fungus that causes apple scab disease Damage symptoms Venturia inaequalis causes apple scab disease, which [...] fruits and leaves may fall off prematurely. The plants’ defence mechanism is to produce corky rings around the lesions to prevent further invasion of tissue

• Tutasan

  January 1, 1970

  Maintain a distance of 15-20 metre between traps A continuous water supply is needed to ensure that the trap works correctly. If the trap is not connected [...] monitoring and trapping male tomato leaf miner moths in combination with Pherodis Tuta absoluta . Pests Tomato leaf miner moth ( Tuta absoluta ). Crops [...] indicated If possible connect the trap to a dripper and make sure the water drips properly into the trap Add a small quantity of vegetable oil or liquid