Peach

‘persica’ refers to the popularity of the tree in Persia when it was introduced there. The tree’s fruit is usually sweet and juicy and it is called peach or [...] so-called Prunus persica is a deciduous tree indigenous to Northwest China. There is was first domesticated and cultivated for its fruit. The description [...] belongs to the genus Prunus (just like the cherry, apricot, almond and plum) and the rose family. Together with the almond, the peach also belongs to the subgenus

California red scale

belongs to the Diaspididae family and is a pest found worldwide, mainly in citrus, but also in fig, cotton, mango, banana, avocado, grape, and rose. Damage [...] they inject when feeding is very toxic to plant tissue. California red scale feeds by inserting its mouthpart into the plant tissue and sucking the contents [...] offspring. Each female can produce 100-150 young over a period of six to eight weeks, at a rate of one to three a day. The crawlers are mobile and very small, so

Apple

the tree to North America. The deciduous apple tree belongs to the rose family and is now cultivated for its fruit all over the world. It is the most common [...] of the apple is protected by a layer of epicuticular wax. Apples usually have a yellowish-white coloured exocarp. Sometimes their flesh is also pink or [...] tics. Ripe apples usually have a red, yellow, green, pink, or russetted coloured skin. Additionally there exists also a wide range of bi- or tri-colored

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threshold, it’s a signal to the grower that he needs to take action. This is how Barry Enthoven of Lema Tomaten in Naaldwijk, the Netherlands sees it, manager [...] value helps to prevent unnecessary work. Although, with just two whitefly per square metre or a few thrips in your plant, there is little to be concerned [...] how it is evolving. It also allows us to see if the natural enemies are curbing an infestation or if we need to shift strategy in any way. We have greater

Beneficial nematodes

bodies, and they come in a variety of sizes, ranging from microscopic to several inches in length. Nematodes play various roles in ecosystems. Some are [...] species is known for its effectiveness against pests such as wireworms, various caterpillars , and weevil and beetle larvae. Its ability to adapt to different [...] or plants but are highly effective in controlling harmful insects. Plant-parasitic nematodes Plant-parasitic nematodes are a group of parasitic nematodes

Western flower thrips

variety of plants, including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, [...] occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae [...] necrotic spot virus (INSV). Both viruses affect a wide range of plants, and often a single host plant may be infected by both viruses.

Damping-off

General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress [...] aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings [...] yellow, for example in flower bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds

Cottony soft rot

as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( [...] dispersal to neighbouring plants is by mycelial growth. How to prevent Cottony soft rot Practice dry cultivation/be careful with irrigation Use wide plant spacing [...] spacing Remove diseased plants in a closed plastic bag Remove crop residues Prevent plant diseases by optimizing plant potential and crop resilience.

Aphytis melinus

Aphytis melinus is a species of parasitic wasp belonging to the family Aphelinidae . This tiny wasp is widely recognized for its role in the biological [...] or late in the afternoon. Release the same day the product is received, in case of adverse weather it can be stored for 24-48 hours at 18ºC and in darkness [...] various scale insect pests.Native to Southeast Asia, Aphytis melinus has been introduced to many parts of the world to aid in integrated pest management (IPM)

Aphidius colemani

Although many aphids die as a result, many will survive and migrate to other plants to begin new colonies. To avoid becoming covered in their secretions, the [...] the aphid cuticle, causing it to swell. The cuticle turns from a hard, leathery brown to a golden yellow casing, known as a mummy. Parasitized aphids turn [...] an aphid is parasitized in a younger stage there will be no reproduction. A male wasp has slightly longer antennae, a rounded abdomen that is shorter than