• Stable fly

  January 1, 1970

  including the bacteria that cause anthrax, leptospirosis and anaplasmosis, the viruses that causes equine infectious anemia (EIA) and hog cholera, and the protozoan [...] assessed by counting the number of Stomoxys on the animals’ front legs. The flies become an economic concern when the average number per leg is as low as two [...] bales, spilled feed and near the edge of silage pits. As with all flies, development throughout the life cycle is temperature- and humidity-dependent,

• Predatory mites

  January 1, 1970

  Scouting is essential to know where the pest is, how severe the infestation is and to identify the pest. Select the right predatory mite: Choose the appropriate [...] chemical pesticides. Koppert is the pioneer in the development of predatory mite solutions, starting in 1967 with the rearing of the predatory mite Phytoseiulus [...] combination of predatory mites, food, and carrier materials. The mites breed within the sachets and subsequently disperse into the crop. These release sachets are

• Bumblebee pollination

  January 1, 1970

  faster and last longer. The hive design developed over the years helps bumblebees to save 20% of the energy usually spent on cooling and heating the hive [...] are available throughout the year and have a short delivery time. The international supply chain is well organized and strictly controlled. Koppert now [...] contribute to the preservation of biodiversity and the overall health of ecosystems Why are bumblebees good pollinators? Bumblebees are very effective and efficient

• Get Rid of Thrips Naturally Using Predator Mites!

  May 21, 2024

  Between Swirski and Thripex: Swirski and Thripex are similar at a quick glance. Both eat roughly the same number of thrips larvae per day and have similar [...] thrips control is that they primarily feed on the first larval stage of thrips. These are tiny beige coloured larvae that hatch from the egg in the leaf or flower [...] flower. This is key to understand as the later stages of the thrips life cycle (older instars and adults) need to be controlled by other means such as

• Predatory Mites: Should I Order Bottles or Sachets?

  May 31, 2024

  to keep the bran moist so that the breeding system continues cycling for 3-8 weeks depending on the type of sachet. Why is this important? This is important [...] where there is high humidity, and the predatory mites can reproduce outside of the sachets Beyond these situations, sachets are always the best choice [...] Which Sachet is Best for You? The total number of predatory mites that walk out from these sachets is a far better value for your wallet and protects your

• Root rot of carrot

  January 1, 1970

  various shapes. The lesions can merge and eventually cover the entire surface of the carrot. The affected areas are firm, shallow, and clearly visible [...] of the leaf will die off. The fungus appears to prefer older tissue. In the field, the disease is difficult to distinguish from both Cercospora and Alternaria [...] morphological features hence is not easy to place it at the generic level. Årsvoll was the first to identify and describe the fungus in Norway, in 1965.

• Bacterial wilt, brown rot

  January 1, 1970

  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 [...] st organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical regions and is transferred by the introduction of [...] Ralstonia solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very

• Downy mildew of Cucurbits

  January 1, 1970

  downy mildews, the optimum temperature is around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside [...] yellow and then turn brown. On the underside of the leave fluffy growth appears which is first white and later turns grey-brown. This is actually the sporulation [...] directly and the germ tubes infect the plants either through the stomata or directly by penetrating the cuticula. For germination free water is required

• Powdery mildew

  January 1, 1970

  pepper, the fluffy colonies occur mostly on the underside of the leaf, because the fungus infects the plant by entering through the stomata and there are [...] Leveillula taurica ) is through the stomata and the fungus grows inside the leaf. Later, the conidiophores in this case also protrude from the stomata. Conidia [...] outdoor grown rose and other Rosaceae , the fungus causing powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore

• Fusarium wilt

  January 1, 1970

  may occur and cause different symptoms. Fusarium oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads [...] blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt, mostly on one [...] one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels which can be seen when the stems are