• Long-tailed mealybug

  effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order [...] an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] reduced level of photosynthesis in the leaves also reduces flower and fruit production. In ornamental crops, the mere presence of mealybugs is sufficient

• Mealybugs and scales

  off; plant sap is low in proteins and rich in sugars. In order to gain an adequate intake of protein, mealybugs must ingest large quantities of sap, getting [...] reduced level of photosynthesis in the leaves also reduces flower and fruit production; in ornamental crops, the mere presence of mealybugs is sufficient [...] attracted by the honeydew. In fact, the honeydew with its sooty mould is usually the first sign of the presence of this type of pest. Among ornamental crops

• Two-spotted spider mite

  on the leaves affects the appearance of the crop. This is of particular concern in ornamental crops. Life cycle of two-spotted spider mite Two-spotted spider [...] mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are capable of very rapidly doing severe damage [...] worldwide and many of them are major crop pests. The two-spotted spider mite ( Tetranychus urticae ) is by far the most important species in greenhouses and

• Faba bean

  name ‘broad bean’ is commonly used in the United Kingdom, New 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 firm plant with sturdy stems of a square cross-section. The broad beans are broad, leather [...] modern varieties specifically cultivated for food production have pods which are 15-25 cm long and 2-3 cm thick. Each bean pod contains some 3-8 seeds

• Biological Pest Control

  biocontrol, is a method of managing pests using natural predators, parasitoids, or pathogens. This approach partners with nature to maintain the balance of ecosystems [...] the presence of natural enemies and beneficial organisms in the environment to maintain a balance between pests and their predators. Instead of introducing [...] population of the introduced natural enemy to keep pest populations in check. Augmentative biological control Augmentative biological control is a method

• Entonem keeps young orchids free from fungus gnats

  Floricultura is a big name in the international orchid market. The company produces young plants of the Phalaenopsis, Cymbidium, Cambria, and Miltonia [...] approach is clear to see: the company uses ten different beneficials for its two sites in Heemskerk, the Netherlands and its third location in Assendelft [...] pupae. ‘It is a good product that we apply to the crops using a Dosatron,’ explains Rogier Veldhuijs, assistant location manager in Assendelft. ‘In the past

• Diamond back moth

  They are deposited singly or in small groups of two or ten eggs on both the upper and lower surface of leaves, preferentially in depressions, and rarely on [...] and frequently hide in crevices near the bud. In cauliflower and broccoli, pupation may occur in the florets. Initially, the pupa is pinkish-white to p [...] scales. The lower one-third of the forewing is ochreous-white, with a nearly white upper edge. In females, the upper two-thirds of the forewings are light

• Flowering potted plants

  Begonia is a perennial flowering plants and belongs to the family of Begoniaceae . The genus consists of 1,795 different plant species. Some of these species [...] ornamental houseplants in countries with colder climates. Kalanchoe is a tropical, succulent flowering plant and a genus that consists of about 125 species [...] species belonging to the family of Crassulaceae . Hibiscus is well known for its large, ornate flowers which are trumpet-shaped. These flowers have five or more

• Gummy stem blight

  tools and hands of workers. The ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread of the disease downwards [...] may occur. In cucumber, the most important symptom is internal fruit rot, which can only be recognized from the outside by the small narrowing of the tip [...] the leaves Pick flowers within two days after opening in areas suspected of disease (only feasible in high-wire crops) Pick and remove dead and diseased leaves

• Parasitic wasps

  cocoon. The host pest is typically killed in the process. Host feeding In addition to parasitization, some parasitic wasps also engage in host feeding. This [...] targeting specific pests. They are effective in reducing the population of harmful insects, making them valuable allies in horticulture and agriculture. Unlike [...] introduction of parasitic wasps into commercial growing environments can promote biodiversity, as the use of harmful chemicals decreases. This, in turn, creates