• Chrysanthemum

  and the majority of the different species derive from East Asia. Especially in China a wide range of varieties and cultivars has been developed for commercial [...] propagation and production. The current, commercially cultivated chrysanthemums are more striking than the wild varieties. The flower heads can look like daisies [...] genus consists of many hybrids and an extensive range of cultivars that are produced for commercial, horticultural purposes. Traditionally, yellow is

• Common asparagus beetle

  distinctive rows of white or yellow spots. Eggs are oval and black to greenish brown and laid singly or in rows of 3 to 10 eggs, standing perpendicularly [...] beetle ( Crioceris asparagi ) is a major, host-specific pest of asparagus in most asparagus producing regions of the world. Damage symptoms Both adults [...] y on the branches and leaves of the asparagus plants. Larvae are dark grey to whitish, have small black heads and three pairs of stout, light brown legs

• Aphidius matricariae

  larvae are adept at adjusting their feeding rates based on aphid density, optimizing their predatory impact in areas with high aphid concentrations. In this [...] crucial role in controlling aphid infestations and reducing the need for chemical interventions in agriculture. Adult wasps do not engage in feeding on aphids [...] is widely recognized for its role in biological pest control of aphids . This small wasp is a valuable natural enemy in both agricultural and horticultural

• Cauliflower

  kale (collectively called "cole" crops) belong to various cultivars, but are all members of the species Brassica oleracea. The cauliflower plant is an

• Pea and Bean Weevil Trap

  which lures the male and female weevils into the trap. Once in the trap they cannot escape and are easy to detect, count and identify. Presentation One trap [...] more than 30 weevils per trap are counted on any occasion crops that have just emerged or will emerge within 10 days are likely to be at risk Appropriate [...] Use the Pea and Bean Weevil Trap for monitoring pea and bean weevil in combination with species-specific pheromone. Pests Pea and bean weevil ( Sitona

• Cotton aphid

  occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by parthenogenesis, with unfertilized [...] presence in the crop. The cotton aphid can be distinguished from other aphids by the colour of the two cornicles (siphunculi). These cornicles are always

• Spidend

  Make a hole in the lid and place the cup on the rock wool slab or directly on the soil Protect against direct sunlight and water Leave the cup in place for [...] particular situation. Start introduction as soon as the first spider mites are detected in the crop. Introduction rates typically range from 0.25-25 per m 2 /release [...] strategy for your situation. Environmental conditions Optimal results are achieved in a humid environment (>80% relative humidity) and at temperatures between

• Aphelinus abdominalis

  aphids are used for host feeding while the larger individuals are parasitized. The control of the aphids is due to host feeding and parasitization in roughly [...] abdominalis is 2.5 to 3 mm in length, with short legs and short antennae. Females have a black thorax and yellow abdomen. Males are slightly smaller and their [...] all items How to use Aphelinus abdominalis The parasitic wasp is available in a bottle ( Aphilin ). Release mummies near infested plants, because Aphelinus

• Chrysopa-E

  Visual effect Prey is sucked out, shrivelled skins are difficult to find. Chrysoperla carnea larvae are active mainly during the night. The larvae hide during [...] from 10-100 eggs per m 2 /release. Releases should be made preventively or in infested areas and repeated at weekly intervals until control is achieved [...] for your situation. Environmental conditions Chrysoperla carnea is effective in a wide temperature range including low temperatures (average > 12°C/54°F)

• Cherry

  Cherries are indigenous to Europe, Anatolia, Maghreb and western Asia. They also exist on the British Isles, in Morocco and Tunisia and up north in the T [...] Trondheimsfjord region of Norway and in the Caucasus and northern Iran. Cherries even grow in a small and isolated cluster in the western Himalaya. The sweet