• What is Biological Control?

  September 15, 2020

  ahead of every crop cycle. This was the start of the Koppert Biological Systems. The first natural enemy The first natural enemy produced was the predatory [...] Biological control or biocontrol is defined as "the use of a population of one organism to reduce the population of another organisms" (van Lenteren et al. 2017) [...] control. the aim was to achieve the establishment of the natural enemy, as well as maintaining long-term control. A well recorded example of early biological

• Feltiella acarisuga

  biological control. The predatory gall midge Feltiella acarisuga is used for the control of the following pests: Spider mites Some of the common spider mites [...] and adapt the amount of food they consume to the density of the spider mite population. Where there are large, localised concentrations of spider mite [...] after emerging from the egg, the larva is yellowish white. The eggs and the first larval stages are very difficult to find in the crop due to their small

• Crazy roots, hairy roots, crown gall

  caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and [...] um vitis, Agrobacterium rhizogenes and Agrobacterium rubi, n ow the first part of the name is changed to Rhizobium. Rhizobium rhizogenes or Rhizobium [...] primary source of infection by Rhizobium rhizogenes has not yet been defined. The assumption is that the bacteria survive in the soil, but it is possible

• Plant Pollinator interactions in high temperatures

  energy from the plant, and it is one of the first processes to fall by the wayside if the plant cannot produce enough assimilates. In the act of self protection [...] protection, the plant aborts the fruit to reduce fruit load on the plant and directs the assimilates to the vegetative growth of the plant. This is undesirable [...] Correct placement of the hive can reduce heat stress of pollinators. Position the hive about 20-60 cm above the ground on the south-side (in the Northern Hemisphere)

• Aphipar

  develops inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are [...] persicae ). Mode of action Adult parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps [...] are noticed in the crop around 10-14 days after the first introduction. Visual effect Parasitized aphids turn into a brown mummy. Pack size 500; 1,000;

• Cannabis aphid

  states and parts of Canada. The cannabis aphid closely resembles the hop aphid ( Phorodon humuli ), to the point that microscopic analysis of the head is required [...] Damage symptoms The cannabis aphid is a sap sucker, like all aphids , and affected plants are damaged by the loss of this vital fluid. The following damage [...] light green or brown with dark green stripes running the length of the body. The winged forms have a dark head and thorax. Cannabis aphids have long antennae

• Anagyrus vladimiri

  Behaviour of the parasitic wasp Anagyrus vladimiri The female Anagyrus vladimiri lays its eggs inside the body of the mealybug. Upon hatching, the larvae [...] ovipositor between the wax filaments on the lateral margins of the host. Oviposition generally lasts about 15-40 seconds. The larva of the parasitic wasp [...] leading to the death of the host. Anagyrus vladimiri also engages in host feeding, where the adult female wasp feeds on the body fluids of its mealybug

• Anthurium

  Nodokare: The New Standard in Biostimulants Nodokare: The New Standard in Biostimulants Acadian™: The Gold Standard in Biostimulants Acadian™: The Gold Standard [...] About The anthurium is a flowering, perennial plant and has beautiful, long lasting flowers that come in a variety of colors. However, the ‘flower’ is [...] an altered leaf (also called spathe) with many flowers on the spadix. The actual flowers on the spadix are surrounded by four stamens and they have many

• Bacterial wilt, brown rot

  show signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable for the bacteria, the whole plant [...] s roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish [...] will wilt soon after the first symptoms appear. When conditions are less conducive for disease development, the plants may show signs of stunting and produce

• Aphidius colemani

  the Aphidiidae. First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right species [...] disturbance of the aphid population by the presence of the parasitic wasp also has an effect: the alarmed aphids secrete a warning substance, which affects the [...] Aphidius colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis