Whitefly

Whitefly What are whiteflies? Whiteflies are not true flies , but belong to the order Hemiptera (true bugs ). Together with aphids and scale insects, they

Sugar cane

regions of South Asia and Melanesia, sugar cane belongs to the tall perennial true grass genus, Saccharum , of the family Poaceae . In terms of production quantity

Leaf miners

miners What are leaf miners? Leaf miners belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies

Greenhouse whitefly

larval stage (often referred to as ‘pupa’ although strictly spoken this is not true) and adult. The larvae are found on the underside of young leaves and have

Mealybugs and scales

superfamily Coccoidea. This superfamily belongs to the order Hemiptera (the true bugs ). Coccoidea are at first sight barely recognizable as insects. The

Tobacco whitefly

larval stage (often referred to as ‘pupa’ although strictly spoken this is not true) and adult. The larvae are found on the underside of young leaves and have

Root rot of carrot

General Black spots on cold-stored carrots are a major problem and can lead to significant postharvest losses Several different fungal pathogens cause similar symptoms, which are collectively known as

Fusarium spp.

Fusarium spp. is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect wo

Loose smut of wheat

Ustilago tritici (Ustilago segetum var. tritici, Ustilago nuda f.sp. tritici) Loose smut of wheat General Ustilago nuda f.sp. tritici is a basidiomyceteous fungus that affects wheat. It is also known

Root and crown rot of strawberry

General New diseases in strawberry have been ascribed to Pestalotiopsis clavispora in the case of root and crown rot (of strawberry), first found in The Netherlands, and Pestalotiopsis longisetula in