• Horiver Disc

  root aphids and fungus gnats. Pests Root aphids , fungus gnats . Mode of action Insect pests are attracted to the colour of the sticky trap and get caught [...] caught in the glue. Presentation Polysterene disc coated with dry sticky glue. Available colours and sizes Yellow: 18 cm diameter Numbers per package 50 pieces [...] insects and/or debris Dosage One Horiver Disc per plant. Storage temperature 0-32°C/32-104°F. Storage time See Best before date. Storage conditions In a cool

• Artificially lit crops pollination advice

  after the shortest day, depending on latitude and environment) rapid decline in colonies could occur. In the ever-evolving world of agriculture, the u [...] consideration and deliberate interventions to achieve optimal pollination rates. In this article, we will delve into the unique aspects of pollination in indoor [...] Placement advice in artificially lit crops For best results, consider the following placement advice in greenhouses with artificial lighting: In regions with

• Flies

  soft fruits in Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist [...] problem in greenhouse and field crops, where they disturb plant growth, spread diseases and affect crop hygiene. Their larvae can damage roots and growing [...] traps, lures, and attractants Insect traps Sticky traps Beneficial nematodes and predatory mites target fly larvae in the soil, while traps and attractants

• Beetles

  larvae and adults of beetles can cause damage to crops. The larvae of some species feed on growing tips and roots or chew and bore into stems, but in other [...] can cause serious damage in many greenhouse and field crops by feeding on leaves, roots, or fruits, leading to reduced growth and yield loss. Effective beetle [...] traps Beneficial nematodes actively seek out and eliminate beetle larvae in the soil, while traps help monitor and reduce adult beetle populations. With Koppert’s

• Click beetles

  are 6-10 mm long and yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start [...] the roots and bore into the base of plants. This can cause the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance [...] fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following

• Chafers

  smaller; about 13-15 mm long and reddish-brown in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During [...] the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage [...] birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon sostitialis are 14-18 mm long and yellowish

• Thrips

  most challenging pests in greenhouse and field crops. Their feeding and virus transmission cause leaf deformation, silvering and fruit damage, leading to [...] Predatory mites and bugs actively control thrips larvae and pupae, while beneficial nematodes target pupae in the soil. Sticky traps and kairomones support [...] female deposits an egg, she makes an opening in the plant tissue. The eggs are laid in leaves, flower petals and in the soft parts of stalks. On the leaves

• Green peach aphid

  cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] least 100 different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth [...] 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

• Citrus mealybug

  distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticulture, and in the tropics [...] croton and kalanchoë, but also in roses and gerbera. Additionally, the citrus mealybug ( Planococcus citri ) can also appear in cucumber, melon and aubergine [...] 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 to gain an adequate

• Plant Pollinator interactions in high temperatures

  yellow areas in the table in figure 3 ensures that pollination and setting issues due to temperature and humidity are eliminated. At the same time, the grower [...] Thermal image of a tomato flower in the direct sunlight in April Photo: © Svensson Climate Screens more and more bees stay in the hive to ventilate it, reducing [...] humidity between 60 - 75% in a conventional greenhouse, and 70 - 85% in semi-closed greenhouses Monitor bite marks on flowers and order hives accordingly