• How to protect bumblebees from heat

  keep cool in hot summer conditions to be able to function optimally and carry out their valuable pollination work. Best practice for pollination in hot te [...] temperature and sun radiation on the internal hive temperature can be great. We advise growers to protect the hive from direct sunlight and to place it in a cool [...] built for hot climate The study of climatic and environmental conditions in which bumblebees need to operate in various countries worldwide conducted over

• Downy mildew of Cucurbits

  during propagation and maintaining a warm and dry climate in greenhouses. Use hygiene measures. Start clean, remove crop residues and prevent splashing [...] stomata. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and Phytophthora. They [...] sporangia are formed, structures in which zoospores are produced. However, in downy mildews, sporangia often germinate directly and the germ tubes infect the

• Pollination

  production of vegetables, fruit and seed. Well pollinated crops result in considerably higher yields and improve the quality and shelf-life of these products [...] ally for growers worldwide, offering reliable and efficient pollination solution that elevates crop yields and overall quality. Their carefully managed deployment [...] set and enhanced crop uniformity, ultimately driving profits for growers. Bumblebees work diligently seven days a week, from dawn to dusk, even in unfavorable

• 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

• 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

• Corn rootworm

  present in many European countries, including Italy, where it is widespread in the maize-growing areas in the north. Maize is the only crop in which high [...] Life cycle and appearance In Europe, the western corn rootworm produces a single generation each year. The pest overwinters in the soil in the egg stage [...] both larval and adult feeding, although it is the former that causes the most extensive damage. The larvae feed on the rootlets and dig tunnels in the larger

• May beetle

  to crops, since they feed on plant roots, resulting in visible water stress and ultimately ending in the death of the plant. From the third stage onwards [...] damage is not visible in the aerial parts of the plant, as the larvae only feed on root hairs and organic material during the first and second instars. When [...] wilting and stunted growth. Lifecycle and appearance of the may beetle The adults belonging to the majority of Phyllophaga species are very similar in terms

• Yellow rose aphid

  generation of females) and generally found only on cultivated roses and strawberries, in glasshouses in northern Europe or outdoors in warmer climates. Wingless [...] distributed in Europe, North Africa, parts of Asia and South America. It attacks plants of the family Rosaceae and is a pest of strawberries and roses. Damage [...] cycle and appearance of Yellow rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour

• Crane flies

  emerge from the soil in late summer to fall, and females mate and lay 200-300 eggs. Larvae emerge within one week and then feed on roots and crowns of grasses [...] Larvae overwinter in the soil, usually in the third instar stage. and start feeding again in spring. They become active again and feed voraciously when [...] called leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses and cereal crops. The adults do

• 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