Western flower thrips

insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are [...] leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations [...] damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide variety of plants, including

Pollination checklist tomato

the bumblebees' work. A single visit results in the transfer of enough pollen for pollination. Fruit setting takes place once a flower has been pollinated [...] humidity (RH) of between 50% and 80%. A relative humidity of more than 80%-85% will result in pollen not being released and the bumblebees will become inactive [...] provide a precise picture of the situation. Flowers that are open for longer than one day have between one and five bite marks Check the work of the bumblebees

Geranium aphid

appearance of Acyrthosiphon malvae rogersii Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. [...] General Acyrthosiphon malvae rogersii is a pest of strawberry that is widely distributed in northern and western Europe. Damage symptoms Wingless aphids [...] strawberry foliage, particularly along the petioles. In outdoor strawberries they reach their peak in June. Winged aphids are formed from May onwards and

Hemispherical scale

Saissetia coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and citrus. Many ornamental [...] prematurely. Life cycle and appearance of Hemispherical scale An adult female of S. coffeae has a hemispherical form with a smooth surface. The colour is usually [...] white to yellowish, more oval in form and with a raised H-pattern on the dorsal surface. All instars live on the underside of leaves, often close to the midrib

Biological seed treatment

Biological substances are applied to the seed in a powder form or as a liquid. An even layer covers the whole seed. In this way, the beneficial ingredients are [...] stress, the development of the root system, and the productivity of the crop. An overview of positive attributes of microbials depending on the organism: [...] nutritional value of the crop as well as production yields are boosted; Biological seed treatment reduces the use of agrochemicals which results in a lower exposure

Spotted Wing Drosophila

cycle and appearance of Spotted wing drosophila Adult spotted-wing drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller [...] General Since the start of its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America [...] from males of other Drosophila species or SWD females by a large dark spot on each wing, where their common name is derived from. Females have a strong saw-like

Rose aphid

appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms Infestations [...] on rose bushes in the egg stage, although in mild winter some adults may continue to reproduce parthenogenetically. Large colonies of aphids can build

Pepper weevil

larva forms a cavity and covers it with its excrement, creating a type of cell, to be used later when it begins its metamorphosis. It develops a shiny white [...] Lifecycle and appearance of the pepper weevil Newly hatched adults have a light brown colour, with an oval body measuring 2 to 3.5 mm in length, and over time [...] move towards the middle of the mass of young seeds; whereas, when they hatch inside the flower bud, they feed on immature pollen. In both cases, they begin

Natupol Booster

inside. Seal the entire hive in a plastic bag, remove it from the crop area, and dispose of the sealed bag and sugar water tank in accordance with local waste [...] Booster is developed for crops with a short (one to four weeks) intensive blossom period and which produce a lot of nectar. For early blossoming crops Tripol [...] depends on environmental conditions. Always consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for

About bumblebees

bumblebee to pollinate a flower in a single visit. A honeybee typically needs to visit a flower between 7-10 times, before it is fully pollinated Bumblebees [...] benefits of bumblebees: Bumblebees provide maximum insurance for optimal pollination , due to their high amount of flower visits and large transfer of pollen [...] earlier in the morning and later into the evening hours Bumblebees pollinate flowers through a method called 'buzz- pollination ', this will allow a bumblebee