Precautionary measures for product allergies

Just as you can be allergic to cats, pollen, and dust mites, it is also possible to be allergic to the natural substances in predatory mites , feeder mites [...] taken to prevent possible allergic reactions. Exposure and precautionary measures Depending on the way in which you are exposed to the substances in these [...] or could take years to appear. Not everyone who is exposed to allergens will develop an allergy. It is difficult to determine in practice which substance

Aphids

by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. How to prevent aphids To prevent aphid infestations in crops, you [...] has a low protein content but is rich in sugars. Aphids therefore need to extract large quantities of sap in order to get sufficient protein. As a consequence [...] belonging to the order Hemiptera . The aphids discussed here all belong to the family Aphididae, a family containing many species that cause damage in cultivated

Whitefly

retarded. In full sunlight, leaves can wilt and drop. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. By [...] look at the video or go to our Youtube channel to see our whitefly control products in action. More whitefly control videos How to get rid of whitefly [...] causes leaf yellowing and leads to honeydew deposits that reduce crop quality. Effective whitefly control is essential to maintain healthy, productive crops

Sciarid flies

are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length and 0.5 to 1.5 mm in diameter. They are legless and have [...] species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly found in commercial mushroom cultivation [...] usually found in damp, humid environments, and appear very commonly in greenhouses throughout the world. Although they generally do little harm to healthy plants

Macadamia nut borer

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 [...] eggs in their lifetime. The eggs hatch between 7-12 days and the young larvae bore their way into the young fruit. The larvae are cream to grey in colour [...] and (if pupation takes place in the soil) encased in a cocoon of soil particles. There is no cocoon if pupation takes place in the fruit. The moth is small

Fall Armyworm

disperse in a radius of about 500 km (300 miles) before oviposition, which is sufficient for them to move from seasonally dry habitats to wet habitats in Central [...] appear ragged or torn (similar to hailstorm damage in appearance). Life cycle of the Fall Armyworm Adult moths are 20 to 25 mm long and have a wingspan [...] the warm, humid evenings. Females lay their eggs in clusters of 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green

Oleander scale

leading to lower yield. Damage to fruit occurs in heavy infestations, where spotting and often deformity of fruits affects market value. In olives this [...] green spots on purple fruits. Damage to foliage is particularly important in ornamentals . Heavy infestation can lead to yellowing, leaf and shoot malformation [...] themselves to the plant and form a scale. Colonies mainly form on the underside of leaves. After 1 to 2 months, the female reaches adulthood and begins to lay

Encarsia formosa

belonging to the family Aphelinidae , widely recognized for its role in biological control, particularly in the management of whitefly populations in various [...] transparent to brown in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact with [...] and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the crop, if possible approximately

Tobacco aphid

yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The [...] The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid. It is not known to what extent tobacco aphids [...] ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco

Leaf miners

cosmetic damage. In (sub)tropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants [...] enemies, allowing the leaf miner population to erupt into serious numbers. In addition, the pesticides used to control leaf miners disrupt the biological [...] species in this family, only eleven are truly polyphagous. The species that cause most damage all belong to the genus Liriomyza and are very common in temperate