Black leg of seedlings

roots rot and very 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 [...] with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore [...] General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress

Damping-off

aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings [...] roots rot and very 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 [...] cortex with a finger nail. Life cycle and appearance of Damping-off Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore

Pollination checklist tomato

humidity (RH) of between 50% and 80%. A relative humidity of more than 80%-85% will result in pollen not being released and the bumblebees will become inactive [...] extreme climate conditions and the influence of chemicals on the plants or flowers. Bumblebees maintain a constant temperature in the hive. If the temperature [...] turn brown within one to four hours and make it possible to check the bumblebees' work. A single visit results in the transfer of enough pollen for pollination

Adpro Shootin

the biological, natural and chemical crop protection products and bio-stimulants. Storage and handling Store Adpro Shootin in its closed package at ambient [...] dispersibility and absorption on the crop. How does Adpro Shootin work? Adpro Shootin gives an improved and prolonged action of (biological and natural) i [...] insecticides, acaricides and fungicides except those with high alkaline reaction such as Bordeaux mixture. Application of Adpro Shootin Shake the bottle

Knowing & recognizing

. Shop now Koppert - A knowledge company The use of biological control is not a simple process, it has become a complex system in which many aspects need [...] revised in 2003, the latest edition comprises 443 pages, 700 photographs, and dozens of illustrations of the most prevalent pests, diseases and their natural [...] n between pests, diseases and their natural enemies. It explains how they spread in the crop, the damage they can cause, and specific behavioural char

Amblyseius swirskii

are a whitish yellow colour. Adult mites have eight legs, are a translucent white in colour, and have a flat, elongated body. They are roughly 0.4 mm in length [...] the stems and leaves and does not build up a population. Amblyseius swirskii in bottles The predatory mite Amblyseius swirskii is available in a bottle ( [...] Ulti-Mite ). In this case the predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. Hang sachets in sheltered

Biological seed treatment

like fungi and bacteria, as well as plant extracts and algae extracts. Biological substances are applied to the seed in a powder form or as a liquid. An [...] nutrients in the root system and increases nutrient uptake; The enhanced root and shoot growth means that the early growth rate is optimized and that both [...] treatment reduces the use of agrochemicals which results in a lower exposure of growers to chemicals and lessens their impact on the environment. The potential

Vici Routz SP

diseases which results in increased nutrient uptake and increased yield. How does Vici Routz SP work? Soil probiotics and prebiotics in Vici Routz SP act as [...] bio-stimulant – a treated crop becomes stronger, healthier resulting in higher yield Natural and safe for both people and the environment Application of Vici Routz [...] Routz SP? Vici Routz SP is a natural product containing soil probiotics and prebiotics that stimulates the crop growth and root system, increases the tolerance

Bacterial canker of tomato

the plants in greenhouse crops and by water in field crops, for example through splashes of rain or irrigation. Both in greenhouses and in the field, spraying [...] clothing and gloves, disinfect tools and greenhouse structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop [...] tested and disinfected seed Use only tested and certified seed potatoes Apply strict hygiene measures in greenhouse crops: remove infected plants in closed

Pierce's disease of grapevine

killed and the trees die. Life cycle and appearance of Pierce's disease of grapevine The bacteria live in xylem vessels in roots, stems and leaves and multiply [...] the plant species: in peach, bacteria are found in high numbers in the roots, whereas in plum, high numbers are found in leaves and fruits. The bacteria [...] chlorosis and the shoots get shorter internodes. Infected vines eventually die. This happens faster in younger vines than in older ones and faster in susceptible