• Lyprauta

  appearance of Lyprauta The adults of the three species can be distinguished by the wing pattern of adults. Adults of P. trinidadensis have a variation of dar [...] acid webs (pH 2.7 or less) consisting of central tubes along which they move, as well as more net-like parts bearing numerous droplets of oxalic-acid containing [...] damaged area, the roots produce large numbers of new branches. This ultimately results in a reduced number of flower stems and a longer vegetative stage.

• Veni Biosulfur

  Biosulfur increases the amount of sulphur taken up by the plant. Crops All crops. Mode of action Veni Biosulfur increases the amount of sulphur taken up by the [...] half the required amount of water Add the required amount of Veni Biosulfur to the water Mix thoroughly Add the remaining amount of water Apply immediately [...] immediately after preparation The pH of the solution should be between 5 and 7 Application Apply as a foliar spray Use a fine nozzle ( After application rinse the

• About bumblebees

  benefits of bumblebees: Bumblebees provide maximum insurance for optimal pollination , due to their high amount of flower visits and large transfer of pollen [...] formed fruit , quality produce and faster ripening of fruit Bumblebees are reliable workers , they work 7 days a week from dusk till dawn Bumblebees work [...] to visit a flower between 7-10 times, before it is fully pollinated Bumblebees lack the sophisticated communication system of honeybees, and are less likely

• Black tea thrips

  droplets of black excrement from the thrips. Life cycle and appearance of Black tea thrips Adult black tea thrips are dark brown with the apex of the abdomen [...] abdomen paler; females are 1.4-1.7 mm long and males are 1.1-1.2 mm long. The legs are entirely white or yellow. The greenhouse thrips is parthenogenic, [...] widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous, and has been recorded from more than

• Veni Calcium

  half the required amount of water Add the required amount of Veni Calcium to the water Mix thoroughly Add the remaining amount of water Apply immediately [...] litres/ha Applications should be repeated a number of times Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy [...] Veni Calcium provides a direct source of calcium to the plant which can easily be taken up. Crops All crops. Mode of action Veni Calcium is applied as foliar

• Cactus mealybug

  white waxy material in the form of powder, threads, spiky projections or platelets. Eggs are laid in a sticky, foamy mass of wax threads, called an egg sac [...] species, infestations with cactus mealybug cause discoloration of the plants and later necrosis of the tissue. Plant deformations can also occur. Heavily infested [...] eventually die. Life cycle and appearance of Cactus mealybug Mealybugs get their name from the fact that the body of the females from the third nymphal instar

• Beneficial nematodes

  group of worms belonging to the phylum Nematoda. Nematodes are characterised by their unsegmented, cylindrical bodies, and they come in a variety of sizes [...] matter in soil or water, and are essential for nutrient recycling. Others are called parasitic nematodes, infecting plants, insects, animals, or humans. There [...] There are about 25,000 named species, but estimated numbers of species are in the millions. Nematodes are also referred to as roundworms, threadworms, and

• Trial results onion fly and bean seed fly

  Since 1986, many years of experience have gone into the selection, production and quality control of our beneficial nematodes. Each of the nematodes produced [...] biological control of many pests. Meet Frank Keijzer, the owner of a 57-hectare organic arable farm and is growing a wide variety of crops, including onions [...] Alternative chemical program B Capirel: 5 billion/ha - 2 applications 7 days apart, starting 7 days from first flies detection. Full conventional programme: Oxamyl

• Wheat bunt

  bunt. Life cycle and appearance of Wheat bunt Tilletia tritici and Tilletia laevis survive as teliospores in the soil or on seed. These teliospores germinate [...] middle with a basidiospore of the other mating type so that H-shaped structures are formed. These can germinate directly or form secondary sporidia. These [...] after sowing, with maximum disease incidence at an average temperature of around 6 to 7 °C during that period. Soil moisture between field capacity and permanent

• Pollination checklist outdoor

  on a crate or on a stack of stones. Flowering weeds may be visited by bumblebees in addition to the target crop. You should therefore mow or cut down any [...] Consult the list of side effects, on paper or via the Internet . This list states how each product can be integrated with the use of bumblebees. [...] pollinating. Position the hive in the crop immediately after delivery, or a maximum of one day later, to allow the bumblebees to gather food. Position the