Rose

flowers the plant bears. There are more than one hundred rose species and thousands of different cultivars. The rose is a woody, perennial plant which usually [...] climbing or trailing with a stem that has sharp thorns. The flowers of the rose plant can vary in shape and size, but are often ornate and bright coloured. Colours

Northern Corn Rootworm

available to developing corn plants, affecting grain yield. Feeding damage can result in the following consequences: Plants develop secondary infections [...] species found on corn. While adult Diabrotica barberi can feed on a variety of plants, their larvae survive exclusively on the roots of corn. This allows producers [...] infestation, for the most part, by rotating their corn crop yearly with another plant (typically soybean). Damage symptoms Adult northern corn rootworm beetles

Orchid

of an extremely large and diverse of flowering plants, the Orchidaceae or the orchid family . The plant’s flower are usually colourful and fragrant. Nowadays [...] in many different arrangements. Some only have a single flower, but most plants have a racemose inflorescence, which can consist of many flowers. The majority

Cyclamen mite

species that feed on fungi, algae, plants, as well as insect and mite predators and parasites. Those living on plants can cause considerable damage to their [...] symptoms The cyclamen mite ( Phytonemus pallidus ) feeds on plant sap by penetrating the plant tissue with its piercing-sucking mouth parts. The mites are [...] because the mite spreads very slowly. Symptoms vary depending on the host plant and can resemble the damage caused by viruses. Infested leaves are twisted

Thrips

feed on all aerial parts of the plant and are fairly mobile. Immediately after hatching, the larvae begin to feed on plant tissue on the underside of the [...] fliers and can move quickly between plants. They are often found on the undersides of leaves, where they feed on plant sap. Damage: Thrips can cause damage [...] fruits by feeding on plant tissue. This can result in distorted growth, discoloration, or scarring. They may also transmit plant viruses. Recognize thrips

Black rot of carrots

conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases by optimizing plant potential and crop resilience. [...] to prevent Black rot of carrots Remove crop residues, weeds and volunteer plants. Use clean seed and propagation materials. Practice crop rotation, in particular

Onion

of the genus of Allium . The onion plant is usually a biennial or perennial plant. When cultivated however, the plant is mostly handled as an annual and

Cannabis

These pests can damage the plants, which results in less yield and quality. Next to pests, cannabis plants can also suffer from plant diseases like bacterial [...] Integrated pest management (IPM) is important when it comes to keeping cannabis plants healthy and productive. This is because cannabis can attract a lot of different [...] pest populations. Some of the common pests that you might find on cannabis plants are aphids , whitefly , thrips , spider mites , leaf miners , fungus gnats

May beetle

to crops, since they feed on plant roots, resulting in visible water stress and ultimately ending in the death of the plant. From the third stage onwards [...] Overview May beetles are beetles from the Scarabaeidae family, and are plant-eating species from the Melolonthinae subfamily. Although this subfamily contains [...] Damage symptoms Initial damage is not visible in the aerial parts of the plant, as the larvae only feed on root hairs and organic material during the first

Citrus mealybug

are capable of moving a reasonable distance over the plant. The male nymph attaches itself to the plant, whereas the females remain mobile throughout their [...] Planococcus citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse [...] damage especially in fruit trees and ornamental crops, particularly in pot plants such as ficus, palms, schefflera, croton and kalanchoë, but also in roses