• 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 [...] years. On other fields on the same farm, no seed potatoes can be grown for one year after infection. Damage symptoms Clavibacter causes spots on stems, leaves [...] infection. In tomato, growers must either destroy the infected crop entirely or, if the crop is old, only the plants in the infected area, with a substantial

• Whitefly

  comparable in outline. Whitefly damage The larvae need a lot of nutrients for growth, and thus consume a large quantity of plant sap. This contains a high [...] 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, leaves can wilt [...] wilt and drop. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. By sucking plant sap and secreting honeydew

• Damping-off

  considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress, caused for example by too [...] tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the [...] aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings

• Fusarium spp.

  be seen when the stems are cut. In banana, whole plantations may die, and the soil may not be suitable for planting for many years subsequently. F. gra [...] sambucinum (a.k.a. F. sulphureum ) causes dry rot of potato. The rot is dark and wet at first. The lesions are irregular and sharp-edged. In cavities, pink [...] different Fusarium species is similar. Fusarium overwinters for many years in the soil, and on crop residues of infected plants, as chlamydospores (thick

• Consumers

  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 in sufficient [...] peppers are often propagated in greenhouses. By the time a delicious little tomato reaches your plate, it has already had a very long journey. The plant [...] bumblebee is a close relative of the honeybee. In 1987, it was established that bumblebees could prove extremely useful in greenhouses for the purpose of

• Plant Health

  suppressive effects on certain pathogens. Amino acids: building blocks for plant performance Amino acids, as biostimulants, support plant growth in stressful conditions [...] pivotal roles in maintaining optimal plant growth. A balanced metabolite profile, comprising primary and secondary metabolites, is essential for resilience [...] essential minerals, enabling the formation of complete proteins crucial for plant growth. A well-established soil food web contributes to minimal susceptibility

• Leaf miners

  target pupae in the soil. Sticky traps help monitor adult activity and support timely intervention. With Koppert’s biological solutions for leaf miners [...] cosmetic damage. In (sub)tropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants [...] vegetable crops, however, a considerable quantity of foliage can be lost before the harvest is affected. The size of a leaf tunnel depends on the stage of development

• Fusarium wilt

  be seen when the stems are cut. In banana, whole plantations may die and the soil may not be suitable for planting for many years to come. Life cycle and [...] similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores (thick walled [...] or takes place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. How to prevent

• Cucumber

  particularly in India. The plant’s cultivation history goes back some 3000 years and it is now being produced on most continents. The cucumber plant is a creeping [...] creeping vine that grows up trellises or other supporting frames. The plant supports itself with thin, spiraling tendrils. The cucumber plant has large leaves [...] long and 10 cm or 3.9 inches in diameter. Cucumbers develop from flowers and their seed develop within the fruit, therefore in botanical terms they are classified

• Grape downy mildew

  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 compounds [...] viticola) relies on a preventive and integrated approach. Since the pathogen remains latent before symptoms emerge, control strategies should focus on reducing [...] primarily as oospores in fallen leaf litter, though in milder climates it can also persist as mycelium within infected buds and canes. In spring, oospore g