• Charcoal rot

  January 1, 1970

  foliage, stunting of plants and drying and death of older leaves. The youngest central leaves usually remain unaffected and stay green. The first symptoms [...] plants are well established and after plants begin bearing fruit or are subjected to stress. Severely infected plants collapse and die. When the crown is cut [...] dropping of leaves and collapse of the entire plant. Life cycle and appearance of Charcoal rot The fungus survives in the soil and on crop residues as

• Cotton aphid

  January 1, 1970

  making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering [...] production. Life cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] much smaller (from 0.9 mm), and yellow or cream-coloured. Cotton aphids have red eyes and relatively short antennae.

• Spical Ulti-Mite

  January 1, 1970

  between 13 and 32°C (55 and 90°F) and is sensitive to relative humidity below 60%. Combined use Can be combined with Phytoseiulus persimilis and Feltiella [...] depends on climate, crop and pest density and should always be adjusted to the particular situation. Start introduction preventively or as soon as the first [...] control, even under extremely dry or humid conditions. Pack size 500 sachets. Each sachet contains 100 predatory mites and prey mites. Presentation Sachets

• Oleander aphid

  January 1, 1970

  Apocynaceae and Asclepiadaceae. It is commonly found feeding on oleander and milkweeds ( Asclepias sp.). The oleander aphid is cosmopolitan, and can be found [...] Life cycle and appearance of Oleander aphid The oleander aphid is an obligate parthenogenetic species; thus the adult aphids are all female and males do [...] do not exist. Adult females may be winged or wingless. The winged adult females (alata) are yellow and black with dark wing veins while the wingless forms

• Black rot of carrots

  January 1, 1970

  Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival [...] 28-30 °C (optimum temperatures lie between 15 and 28 °C) and at a relative humidity (RH) of over 90% or when the leaves are wet. Small differences in optimum [...] within five days. Infection is both direct and through wounds and stomata. Spores are dispersed by wind and in some species through the splash of rain

• Potato aphid

  January 1, 1970

  Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms Nymphs and adults extract [...] making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering [...] production. Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in

• Faba bean

  January 1, 1970

  Zealand and Australia and usually applied to large-seeded varieties which are cultivated for consumption. The Vicia faba grows some 0.5–1.8 m tall and is a [...] bean, pigeon bean and tick bean are all different names for the Vicia faba , a flowering plant and species belonging to the vetch and pea family Fabaceae [...] have pods which are 15-25 cm long and 2-3 cm thick. Each bean pod contains some 3-8 seeds. These seeds are round or more oval shaped.

• Flowering potted plants

  January 1, 1970

  well known and popular for its large red, white and green leaves, especially around Christmas. Begonia is a perennial flowering plants and belongs to the [...] aped. These flowers have five or more petals and their colour varies from white to pink, red, orange, peach, yellow and purple. Phalaenopsis is also known [...] Begoniaceae . The genus consists of 1,795 different plant species. Some of these species are usually grown indoors and are used as ornamental houseplants

• Glasshouse potato aphid

  January 1, 1970

  rather 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 [...] beans, aubergine and sometimes tomato. Damage symptoms When the glasshouse potato aphid (Aulacorthum solani) pierces the leaves or the fruit of sweet [...] 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

• Cryptobug

  January 1, 1970

  slabs or in Diboxes close to or at a hotspot Apply in the evening Dosage The dosage of Cryptobug depends on climate, crop and mealybug density and should [...] effective at temperatures between 25°C and 28°C (68 and 82°F). Combined use For effective control of citrus mealybug and grape mealybug combine with Citripar [...] Releases should be made in infested areas only and repeated if necessary. Consult a Koppert advisor or a recognized distributor of Koppert products for