Click beetles

and feed on the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants to [...] with the head deeply retracted into the thorax. When disturbed they lie on their back feigning death and then suddenly propel themselves into the air with [...] light brown with a darker head. Larval development takes 4 to 5 years. When fully grown the larvae pupate in the soil in summer. The adults appear about 4

Pollination checklist tomato

bumblebee bites onto the flower and makes the flower vibrate. This is known as buzz pollination. The imprints of the bumblebee's jaw on the flower (bite marks) [...] healthy crop and the presence of sufficient healthy flowers form the basis for good pollination. Various factors can disturb the health of the plant and thus [...] spot, or at least in the shade, particularly during the warmest part of the day. Ensure that the hive gets some sunlight during the dark winter period.

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 [...] humidity is too low or radiation is too high. strong, and the climate in the greenhouse is consistent. No easy feat, but the payback is more than worth the effort

General Conditions Koppert

part of an order placed by the Buyer, provided this confirmation is signed by a person who is authorized to enter into the agreement; b. by the reaching [...] rate of the currency in which payment is made as compared to the euro, calculated from the moment the agreement was entered into. 6.8 I f the Buyer [...] within 14 days of delivery of the Services or Advice concerned. Failure to do so will result in the Buyer’s right to invoke the failure of the Services and/or

FAQ Nematodes

Only if the nematode is in the host and the temperature is not too low is there a small chance that the nematodes can overwinter. However, this is never [...] found. In practice, the decrease of pest pressure is the only indication that the application has been effective. How long do the nematodes work / can [...] animals and humans. This is because only insects can be host to this group of nematodes. By far the most nematodes belong to the group of saprophytes. These

Turnip

taproot in temperate climates around the world. The smaller, tender varieties of turnip are suitable for human consumption. The larger varieties usually serve [...] About The turnip ( Brassica rapa subsp. rapa ) or white turnip can be categorized as a root vegetable. Turnips are usually produced for its white and bulbous

Pollination checklist outdoor

it in the shadow of the crop. Ensure that the underside of the hive is kept dry. Keep the hive entrance visible for humans and bumblebees during the flowering [...] to allow the bumblebees to gather food. Position the hives evenly throughout the plot for maximum results. The recommended number of hives is dependent [...] released into the same crops. Position a bumblebee hive at least 100 metres away from a honeybee hive, out of the sight of the honeybees. This is necessary

Pollination checklist Natupol Fly

emerged. Protect the opening for the flies against water. Protect the opening for the flies against heat. It is preferable to use white of light coloured [...] pollen. The Natupol Fly Checklist shows how to achieve the best pollination results. Download poster The emergence of Natupol Fly adults from the pupae more [...] temperature of between 3 ˚C and 8 ˚C. At higher temperatures, the fully-grown flies emerge over time, depending on the actual temperature. Natupol Fly is supplied

Large raspberry aphid

direct feeding damage. The major problem is the spreading of various raspberry viruses by the aphids. Life cycle and appearance of Large raspberry aphid [...] Overwintering eggs of the large raspberry aphid are laid near the base of vegetative canes and hatch in spring. After emerging in spring, the aphids mainly [...] Wingless females of the large raspberry aphid are 2.6-4.1 mm long, pale to yellowish green with long antennae, legs and siphunculi. The cauda is short and triangular

Pollination checklist Growing lights

pollination. The sun activates the bumblebees 09:00 08:00 Keep the hives closed during one day of snowfall. If possible, remove the snow from the roof. 07:00 [...] sure the hives are not overheated by the lamps and other means, or by the sun in spring and late autumn. The later the lights are turned on, the more [...] daylight) there is for the bumblebees to pollinate. For pollination, bumblebees need at least 28 Watt/m2 PAR light near the hive and the presence of Ultraviolet