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 [...] the 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

Aphidoletes aphidimyza

adult gall-midges will leave the bottle and spread The dosage of Aphidend depends on climate, crop and aphid density and should always be adjusted to the particular [...] brown or black, and eventually decay. The quantity of aphids consumed by a gall midge larva depends on temperature, relative humidity, age and size of the [...] The gall midge Aphidoletes aphidimyza is most effective between 20 and 30°C (68 and 86°F), effectivity decreases significantly at higher temperatures.

Gooseberry

metres (5 feet) high and wide and its fruit, the berries, are mostly green, but there are also red (varying to purple), yellow and white varieties. The wild [...] of Ribes . The plant originates from Europe, Northwestern Africa, and West, South and Southeast Asia. The gooseberry is also sparsely habituated in various [...] a nice flavour. Nowadays, gooseberries are produced both on a commercial and domestic scale.

Sweet pepper

from vanilla/white and yellow to orange, green and red and even dark purple and brown. The sweet pepper is a very rich source of vitamin C and antioxidants

Pepino mosaic virus

Solanaceae family (night shade family) such as eggplant, black nightshade, some potato and pepper varieties and some plants belonging to the genera Nicotiana (e [...] 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

Cabbage

green, white or purple leaves. This plant is usually grown as an annual vegetable crop for consumption. Cabbage heads come in various sizes and their weight

Pear

central and eastern Europe and southwest Asia. The pear tree belongs to the family of Rosaceae and sub family of Pomoideae , together with the apple and quince [...] Europe and northern Africa. The European or common pear is a perennial, deciduous tree and cultivated for its fruit. The tree grows small, white flowers [...] (about 2.5 cm or 1 inch in diameter) and produces a pyriform, fleshy fruit. Pear trees can grow as tall as 9 metres and are able to produce fruit for around

Long-tailed mealybug

growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] auxiliary buds and prefers a warm, humid environment. Damage symptoms Mealybugs inflict damage on the crop in various ways: Nymphs and females extract [...] honeydew. Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled

Glasshouse potato aphid

potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the [...] squat, of medium size (1.8 - 3.0 mm long) and oval in shape. It has a light yellow-green to brown-green colour, and has an overall shiny appearance. Antennae [...] anholocyclic (no eggs are laid) and holocyclic (winter eggs are produced) lifecycles. There is no alternation of hosts, and the two types of life cycles occur

Oak processionary moth

above). Life cycle and appearance of Oak processionary moth The adults have grey forewings with white and darker grey markings and a wingspan of ca. 30 [...] twigs and covered by hairs from the female. The first instar larvae overwinter within the eggs and hatch in mid- or late April. They are nocturnal and feed [...] The common and scientific names of this moth refer to the behaviour of the larvae to form long processions. The moth is native to central and southern Europe