• Aphids

  January 1, 1970

  to plants in several ways, and the damage can vary depending on the species of aphid and the type of plant being attacked. The following are common signs [...] insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the family Aphididae, a family containing many [...] leaves, stems, and flowers by piercing the plant tissue and sucking out the sap. This can result in stunted growth, curling or distortion of the leaves, yellowing

• Silver-Y moth

  January 1, 1970

  to grey, but the most distinctive feature is the irregular white mark. The hindwings are brown with a broad, dark band along the margin. The body is light [...] light brown and hairy, the antennae are long and thin. The moths fly during the day as well as at night, often in large swarms. They fly rapidly from flower [...] above the body. The female lays up to 2,000 eggs on the underside of the leaves of their host plant, usually separately but sometimes in small groups. These

• Fit roots for plant health Technical bulletin 2020 EN

  January 1, 1970

  walls. Roots and the energy balance Evaporation is by far the most effective cooling mechanism of the plant. That is why the functioning of the roots is directly [...] related to the plant’s energy balance. The temperature of the irrigation water can influence the root zone temperature and thus the uptake of water and nutrients [...] Roots are the physical foundation of the plant in the soil or substrate, and they take up water, minerals and metabolites to be transported to the leaves

• Box tree moth

  January 1, 1970

  at the outer margin and a characteristic white spot on the forewing, while the other is mostly light brown with a white spot on the forewings. The adult [...] Damage symptoms The larvae of the box tree moth ( Cydalima perspectalis ) feed on the leaves of box trees, but can also attack the bark of the trees, causing [...] day length, temperature and food source the larvae pass through five to seven instars. The pupae are hidden between leaves and difficult to detect. They

• 20250158_Valto_-_Label_V10_0_8_liter_EN_-_108x195mm_-_DEF_HR.pdf

  January 1, 1970

  product. • If the 0.8 l container is empty it can be refilled with the diluted product and synthetic sand. The use of V10 (containing Pepino Mosaic Virus [...] purchase of the product and store at 4–10°C. • After dilution, use the product within 6 hours. • This product contains 2 mild strains of the Pepino Mosaic [...] PRODUCT IN A MANNER THAT IS INCONSISTENT WITH THE LABEL MAY BE AN OFFENCE. FOLLOW THE CODE OF PRACTICE FOR USING PLANT PROTECTION PRODUCTS. The undiluted virus

• Damping-off

  January 1, 1970

  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 [...] 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 easy [...] stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Damping-off Pythium belongs to the Oomycetes, a separate group of m

• Vidi Fortum

  January 1, 1970

  Shake the container well before use Fill the application tank with half the required amount of water Add the required amount of Vidi Fortum to the water [...] around the roots or sprayed on the plant canopy. Application as drench or via the irrigation system: A separate tank/container is recommended for the proper [...] preparation and application of the product Always add Vidi Fortum to the irrigation water after the sand filter, ideally directly injected at the irrigation

• Glume blotch

  January 1, 1970

  conidia on the oldest leaves, but seed transmission is also possible. The germ tubes can infect the leaves of the plants directly or through stomata. The lesions [...] humidity (RH). The optimum temperature for germination of the conidia is between 20 and 25 °C. The ascospores are responsible for wind dispersal of the fungus [...] leaves, stems and glumes. In the centre of the lesions, light-coloured translucent pycnidia (fruiting bodies) with new spores occur. The lesions may merge

• Grower Koen - Embracing biological crop protection in agriculture

  January 1, 1970

  y critical. Society expects more and more that agriculture is environmentally friendly and responsible. And that the vegetables consumers eat are safe [...] collaboration with Koppert The use of biological crop protection presented challenges, but Koen embraced the change and emphasizes that the effectiveness of products [...] where traditional and organic practices complement each other, and how organic and traditional farming are getting closer together. "The mix between traditional

• Fusarium head blight or scab

  January 1, 1970

  primarily infects the older, lower leaves. The spores are dispersed upwards to the ears by splashing rain drops or wind. On the infected ears, the typical pink [...] doesn’t germinate well and seedlings die, causing irregular crop density. The foot of the plant is infected, either because the seedling was infected or [...] or by direct infection of the foot by overwintering inoculum. On the infected foot, conidia are produced that further spread the disease. Gibberella zeae