• WARNING: Bumblebees – Keep them Cool this Summer!

  July 2, 2019

  heat/direct sunlight and to place them in a cool spot. Radiant heat can increase temperatures in the hive by 5 to 15°C/41 to 59°F. See for the best practice advice [...] . Once the temperature increases pass the 59°F mark bumblebees start focusing on keeping the hive cool. To do that they stay in the hive and use different [...] pallets and form an 'A' frame type of structure above the hive, as can be seen in the picture below. Then there are some growers that get creative and create

• Cabbage moth

  January 1, 1970

  marking in the middle. The hindwings are light brown with a rather inconspicuous spot in the middle. Head and thorax are grey-brown with white spots, and [...] and the abdomen is a pale, greyish brown. The moth flies only at dawn and dusk, hiding in the crop during the day. Several days after emerging from their [...] to black. In younger instars, the relatively large head capsule is conspicuous. In older instars, the lighter colour of the bands between the body segments

• Crop Protection

  January 1, 1970

  nematodes, and microorganisms are used to control pests and diseases. What are biocontrol agents? Biocontrol agents refer to products and methods that are based [...] protection in agriculture Crop protection is the practice of protecting plants against pests, diseases, and harmful influences to ensure healthy growth and reliable [...] can control pests and diseases, minimize pest resistance, and strengthen plant resilience. The key advantages of crop protection are: Easy integration

• Grapevine powdery mildew

  January 1, 1970

  according to the phenological growth stage and the severity of the infection. Early signs manifest as chlorotic (pale green to yellow) spots, which rapidly [...] while shoots and flowers exhibit stunted growth and poor fruit set. During berry development, the pathogen colonizes the epidermis, causing the skin to lose [...] bodies) attached in the bark crevices and plant debris. In spring, chasmothecia release ascospores during periods of favorable temperature and moisture, initiating

• Asian citrus psyllid

  January 1, 1970

  widely distributed in southern Asia and the disease is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it [...] through most of the southern states and Mexico however the state of Florida is the most affected area by the vectored disease. Damage symptoms The psyllid is [...] eye spots at maturity. Eggs are anchored to plant tissue in an upright position, and large numbers of eggs may be found on a single spot. Nymphs are green

• Sustainable Development Goals

  January 1, 1970

  fungi in the soil, and introducing bumblebees to improve pollination , have all, directly and indirectly, enabled a significant reduction in the use of [...] horticulture and agriculture, and the health of consumers who have access to residue-free produce. Key SDGs in which we are active: SDG 2 – Zero hunger The persistence [...] to the world’s SDGs In 2015, the United Nations Sustainable Development Goals (SDGs) offered the world a blueprint towards achieving a better and more

• Western flower thrips

  January 1, 1970

  insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted [...] Compared to the prepupa, the pupa has longer, more developed wing buds and longer antennae that are curved back over the head. The prepupal and pupal instars [...] patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll.

• Predatory Mites Whitepaper

  January 1, 1970

  limonicus has the highest numerical response to whiteflies and is the best option when the pest pressure is high. • In laboratory trials the oviposition [...] healthy, good growing plant canopy the humidity close to the leaf surface, where the mites live, is higher than in the surrounding air. High humidity, e.g. at [...] positive or negative effect on the population development of pests and beneficials depending on the temperature and humidity ranges and extremes. Temperture (ºC)

• Knowing & recognizing

  January 1, 1970

  how they spread in the crop, the damage they can cause, and specific behavioural characteristics. Shop now Koppert - A knowledge company The use of biological [...] edition of Knowing and recognizing also includes new biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to grow [...] pest’s lifecycle and its many phases, as well as giving you the ability to recognize the pest or disease you are up against by means of detailed illustrations

• Garden chafer

  January 1, 1970

  feeds on roots of grasses and clover. The adults feed on the leaves of trees like oak, hazelnut and birch and on the flowers and developing fruits of, for [...] roses and cherries. Damage symptoms The garden chafer ( Phyllopertha horticola ) does most of its damage in the larval stage when it feeds on the roots [...] ground within stems of plants and on strawberry fruits lying on the ground. Both adult beetles and larvae are polyphagous and feed on a wide variety of plant