Dwarf bunt

known to cause the smut disease TCK smut in soft white and hard red winter wheats, as well as dwarf bunt. Damage symptoms Tilletia controversa causes (bunted)

Thrips

Thrips damage Thrips cause damage to the plant by piercing the cells of the surface tissue and sucking out their contents, causing the surrounding tissue [...] species. Most are harmless, some are predators, and fewer than 20 species can cause problems in agriculture and horticulture. Thrips are small insects (0.5-14 [...] temperate regions they are not larger than 2.5 mm. All thrips species that cause damage in green-houses belong to the family Thripidae. Find solutions for

Onion thrips

Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue

Impatiens thrips

Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue

Apple rosy aphid

Europe and also occurs in Africa, North and South America, and Asia and can cause severe damage to both shoots and fruits. Damage symptoms Infested apple leaves [...] and malformed and ripen prematurely. Feeding of aphids directly on fruits causes reddish blotches on the skin. Life cycle and appearance of Rosy apple aphid

Obscure mealybug

often located on the horizontal part of the stalk. These mealybugs can also cause damage in ornamental crops such as passiflora, pelargonium, and orchids. [...] Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation [...] to render the product unfit for sale. A very small population can thus cause considerable economic damage. Life cycle and appearance of Obscure mealybug

Veni Biosulfur

products for advice on the best strategy for your situation. Notes Sulphur can cause visible residue. Adding a spreader may reduce this. Storage time after receipt [...] Protect against freezing Safety and precautions The concentrated product can cause skin irritation.

Plant Disease Management

which are microorganisms that cause diseases in plants. The primary goal of biological control is to reduce the damage caused by these pathogens while minimizing [...] our food production systems. Understanding plant diseases Plant diseases, caused by various pathogens such as fungi, bacteria, and viruses, can wreak havoc

Bacterial canker of tomato

potatoes can be grown for one year after infection. Damage symptoms Clavibacter causes spots on stems, leaves and fruits. Leaves and shoots wilt. On the lower [...] but other than that the disease is difficult to distinguish from wilting caused by other pathogens. On potato tubers, first discolouration of the vessel

Tobacco whitefly

and has affected an extremely wide range of crops throughout the world. It causes damage in (sub-)tropical areas especially. The tobacco whitefly ( Bemisia [...] with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking out the sap from the plant leaves and [...] alter their normal physiological processes. In some host plants, this can cause damage, including irregular ripening in tomatoes and sweet peppers, yellowing