American serpentine leaf miner

American serpentine leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar and the adult fly. Adult leaf [...] reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged before the harvest is affected [...] less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused by leaf miners. In gerbera, the larva of

Macadamia nut borer

not been linked to any other crop or indigenous host in South Africa. It is a quarantine pest and control procedures have to be carried out to enable export [...] entire kernel is eaten, whereas in large fruit, part of the kernel may remain. A larva can consume several small nuts by moving from one fruit to another. This [...] nut borer The eggs are laid singly on young fruit and are flat and oval with a pitted surface. Females can lay between 170 – 300 eggs in their lifetime. The

Don Sanchez Fresh innovates with biological control in avocados

raspberry production when it successfully controlled the white mite, a pest that had been a major problem for several berry growers in the region. That was [...] maintained a close relationship that has allowed them to go one step further. Pest and disease control in avocado trees In avocado production there are a number [...] because a law is coming that will limit the use of many molecules and insecticides. Together with Koppert, Don Sánchez Fresh has managed to implement a successful

Cyclamen mite

General The cyclamen mite ( Phytonemus pallidus ) is a harmful strawberry pest as well as a common pest found in cyclamen, gerbera and other ornamentals [...] s . Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity of feeding habits than any other mite family. There are species [...] cyclamen, the flowers are damaged and leaf growth is inhibited. In hedera, a mite attack can cause baldness in parts of the stem. Gerbera flowers deform

Flies

has recently developed into a major pest on soft fruits in Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their [...] matter. Although they cause little direct damage to plants, they are often a problem due to their large number. Larvae of flies of the family Keroplatidae [...] and herbs also causes cosmetic damage, and sometimes this can occur on such a scale that growth, particularly of young cuttings, can be retarded. Solution

Thrips

Thysanoptera Thrips What are thrips? Several species of thrips are a major problem in greenhouse horticulture. The Western flower thrips ( Frankliniella [...] occidentalis ) is the most damaging species. Thrips form the order Thysanoptera, a name that literally means ‘fringed wings’, and refers to the eyelash-like fringe [...] and the black dots of their excreta indicate their presence in the crop. At a later stage, the empty cells become desiccated and the adjacent cells turn

Grower Koen - Embracing biological crop protection in agriculture

decided to find a balance between both approaches. This way of working allows him to gain experience in using biological crop protection . As a result, he acquires [...] ies to adapt my farm to a future where chemical methods will gradually disappear. I believe that the agricultural sector has a natural interest in such [...] emphasizes that his approach stemmed from both practical considerations and a conscious choice. Inheriting the farm from his parents, Koen had the opportunity

Blackberry

and Idaeobatus subgenera. The blackberry is actually not a berry botanically speaking. It is a so-called aggregate fruit that consists of small kernels [...] About The blackberry is an edible fruit that originates from a wide range of species belonging to the genus Rubus that is part of the family of Rosaceae

Cottony cushion scale

temperate regions, but is not generally a pest in these situations. Damage symptoms Cottony cushion scale is a particular pest of citrus, Acacia spp . [...] from the body. On reaching maturity, the ‘female’ produces a white, fluted, wax ovisac with a series of uniform ridges running lengthwise over the surface [...] to California in about 1868 and devastated the citrus industry there until a natural enemy from Australia was introduced in 1888. This was the first ever

Sciarid flies

They are legless and have a conspicuous black head. The head is equipped with biting-chewing mouth parts. Pupation takes place in a small hole in the ground [...] living plant material. The adults prefer humid habitats and are attracted to a broad range of pathogenic and non-pathogenic micro-organisms for oviposition [...] cycle of sciarid flies has the following stages: egg, four larval instars, a pupal instar, and the adult. The adult insects are 1 to 5 mm long, grey-black