• Black leg of seedlings

  infection is 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 [...] bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side 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 infection

• Downy mildew of Cucurbits

  brown. On the underside of the leave fluffy growth appears which is first white and later turns grey-brown. This is actually the sporulation of the pathogens [...] For most downy mildews, the optimum temperature is around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is [...] Inside the plant, the pathogens produce haustoria, small organs with which the pathogen can take up nutrients from the living plant cells. The pathogens

• Bacterial canker of tomato

  potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves and subsequent expansion of the [...] then growing into the vessels of the plant. Plant growth is inhibited and the plant wilts because the xylem vessels become blocked. The bacterium can survive [...] upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease is difficult

• 50 Years of Experience and a lot of R&D Efforts

  November 14, 2019

  have R&D centers in every part of the world. Continuous research brings new insights: the level of disease suppression in the soil, for example, is extremely [...] bacteria which naturally improve the growth and productivity of plants, while strengthening the natural resilience of crops against diseases that are mainly [...] factors. They help with planning (up front) of the introduction schedule over the growing season. Customizing the ideal integrated pest management (IPM) system

• The top ten pests in roses

  August 18, 2022

  several variants of this insect. Mealybugs suck the sap out of plants and weaken them. The sugars in the sap are secreted out again by the bugs and form honeydew [...] prepared for the main threats. Thrips and spider mites are right at the top of the list! Thrips Various types of thrips exist, but they all employ the same strategy: [...] Caterpillars are the larvae of butterflies and moths. They can feed on large amounts of leaves, causing damage to the crop in this way. The species of caterpillar

• Optimal placement of bumblebee hives

  advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives receive adequate [...] Correct placement of hives The right placement of bumblebee hives can significantly enhance the pollination efficiency of bumblebees. The following steps [...] sunlight, typically on the north side. If needed, the hives can be placed higher inside the crop, at a minimum height of 1.4 meters above the ground, particularly

• Prevention: the most powerful weapon in the fight against Fusarium

  December 13, 2022

  Trianum is a true all-rounder Fusarium opens the door to other diseases and pests The advantages of Trianum The Trichoderma harzianum T-22 fungus in Trianum [...] fungus that manifests in many different ways. The symptoms of the disease caused by this fungus, which causes the disease Fusarium wilt, vary widely and are [...] list of ten facts about Fusarium that are important to know. Growers worldwide have to deal with the soil-borne fungal disease Fusarium wilt . As the name

• Got Mealybugs? Here’s The Solution.

  July 17, 2025

  chasing mealybugs into the nooks and crannies of dense crops. If, down the road, some stray mealybugs wander in, Isarid ™ is the way to prevent them from [...] explosion in the life of butterflies and moths Spot the caterpillar! Ten need-to-know facts about caterpillars Economical and Better Biocontrol of Aphids, Mealybugs [...] ornamental growers are familiar with mealybugs and their nasty habit of ruining the retail value of crops. Both adults and juveniles chew on leaves, causing foliage

• The Pest is Gone, but What Happened to the Good Guys?

  April 24, 2019

  supply of their favorite prey. In the case of predatory bugs used against whitefly , the difference can be as much as a factor of ten! To stimulate the development [...] decline over time. The use of banker plants is also a proven method of maintaining the population. To better understand how to keep your standing army, standing [...] species of predatory mites can survive for quite a while without food, as long as several weeks. And some species of mites can even go into a sort of hibernation

• Treatment of bumblebee stings and allergies

  reduce symptoms. In the rare case of a sting in the mouth or near the throat, specifically the pharynx, the patient should be taken to the hospital immediately; [...] itchiness and redness at the site of the sting. This may last for only a couple of hours. Further, the reaction can occur directly after the sting, but more generally [...] informs about the possible reaction to a sting and treatment. Download the poster version of Bumblebee stings and allergies through the link below. Download