May beetle

similarities between the adults and larvae of this genus, they are usually treated as a single group, sharing similar habits and biology. The larval stages [...] parts of the plant, as the larvae only feed on root hairs and organic material during the first and second instars. When they move to the next stage, the larvae [...] larger plant roots, which later leads to signs of wilting and stunted growth. Lifecycle and appearance of the may beetle The adults belonging to the majority

Rose

rose plant can vary in shape and size, but are often ornate and bright coloured. Colours range from white to yellow, pink and orange to red, the most popular [...] than one hundred rose species and thousands of different cultivars. The rose is a woody, perennial plant which usually develops as a shrub, climbing or trailing

Cannabis aphid

from Colorado in 2016 and is now widespread throughout that state and Oregon. Its range also includes several other states and parts of Canada. The cannabis [...] flowers and stems to overwinter and produce the next generation of aphids in the spring. In greenhouses, sexual reproduction is very rare and only triggered [...] of Phorodon humuli developing on cannabis plants, as well. Damage symptoms The cannabis aphid is a sap sucker, like all aphids , and affected plants are

Leaf miners

directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue which can lead to desiccation, premature leaf-fall and cosmetic [...] The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf miner. The older larvae make [...] ip between population size, leaf damage and yield reduction varies according to the season, culture method and the susceptibility of the host plant. This

Cabbage leafroller

caterpillars eat a hole in the shoot and hollow it out, causing the shoot or growing point to wilt and die. Life cycle and appearance of Cabbage leafroller [...] female is 12 mm long and is ochre-yellow with darker markings. The male is slightly smaller and slimmer, more clearly marked and lighter in colour. Both [...] much lighter and have dark lateral stripes. The caterpillars are relatively thin and measure up to 25 mm in length. They are slightly hairy and have four

Spidex Vital Plus – Effective spider mite control in a sachet

the sachet and disperse into the crop over a period of several weeks, extending the efficacy. Spidex Vital Plus has been specifically developed to build [...] y in and around identified hotspots of spider mites, growers are now able to build of defense lines to both control the mites in the hotspots and prevent [...] application Spidex Vital Plus is easy to use. Introduce the sachets in and around hotspots and repeat biweekly. Spidex Vital Plus sachets can be used in combination

Pepino mosaic virus

nightshade, some potato and pepper varieties and some plants belonging to the genera Nicotiana (e.g. tobacco), Datura (e.g. thorn apple) and Physalis (e.g. Physalis [...] infection and can significantly impact the yield and quality of crops like tomatoes. Typical symptoms are: Leaves & stems Nettle-like heads and/or bubbling [...] colour Necrotic and dying leaves Yellow (chlorotic) and brown (necrotic) mosaic pattern on the leaves Yellow spots on older leaves and interveinal chlorosis

Cyclamen mite

enormous damage, and with heavier infestations plant growth is arrested and the flower buds are so badly affected that they shrivel and die. Damaged strawberry [...] become brittle, turn brown or silvery and die. Flowers and young fruits become brown near the base. Life cycle and appearance of Cyclamen mite The life [...] transparent and twice as long as they are wide. Both ends are equally rounded. The larvae are opaque white and have only three pairs of legs. They develop into

Larvanem

information. Timing Timing and frequency depend on the pest species and the crop environment (relative humidity, soil moisture and temperature). Consult a [...] weevils and other beetles in a wide range of crops. Pests Beetles (Coleoptera): Weevils (Curculionidae): Black vine weevil (Otiorhynchus sulcatus ) and other [...] convert the host tissue into a food source, on which nematodes feed, develop, and reproduce inside the host. This kills the pest within a few hours to days

Entonem

information. Timing Timing and frequency depend on the pest species and the crop environment (relative humidity, soil moisture and temperature). Consult a [...] convert the host tissue into a food source, on which nematodes feed, develop, and reproduce inside the host. This kills the pest within a few hours to days [...] (water temperature: 15-20°C/59-68°F) Stir well and leave the contents to soak for five minutes Stir again and pour the contents of the bucket into the half-filled