Black vine weevil

soil. The depth where the pupae can be found varies between 2 and 20 cm. Pupae are white to cream coloured and 7 - 10 mm long. Outdoors there is a single [...] and other fruit crops in both temperate and sub-tropical regions. It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the [...] destroy plants under field conditions. Established crops are more resistant to damage than young plants or just planted cuttings. The adult beetles are only

Thrips

temperate regions they are not larger than 2.5 mm. All thrips species that cause damage in green-houses belong to the family Thripidae. Find solutions for [...] Thrips cause damage to the plant by piercing the cells of the surface tissue and sucking out their contents, causing the surrounding tissue to die. The resulting [...] crops How to prevent thrips Preventing a thrips infestation in your greenhouse crop involves several strategies. Firstly, it's important to maintain good

Macrolophus pygmaeus

it can contribute substantially to the control of these pests. Although plant sap is necessary for Macrolophus pygmaeus to develop well, it is insufficient [...] Feeding behaviour of Macrolophus pygmaeus Although Macrolophus pygmaeus prefers to feed on whiteflies, it also eats aphids , spider mites , moth eggs and small [...] insufficient for full development of a population. When females are only able to feed on plant sap, they lay far fewer eggs and the nymphs (if similarly deprived

Pierce's disease of grapevine

bacteria, gum and tyloses block the vessels, causing the plants to wilt. Transport to different plant parts depends on the plant species: in peach, bacteria [...] cultivated crops. The spread from one host plant species to another is still under investigation and seems to depend on the location of the bacteria in the infected [...] down the spread both within this crop as well as from this crop to other crops. How to prevent Pierce's disease of grapevine Control vectors by using netting

Trichoderma harzianum

the crop cycle is long it is advised to perform regular applications with Trianum-P to keep a high number of change to maintain a solid barrier around the [...] Trichoderma harzianum has the capacity to make certain 'fixed' nutrients such as manganese and iron available for the plant to absorb. As a result, it provides [...] nutrient uptake Pathogens cannot develop resistance to it Safe for people, plants and the environment Easy to apply with existing equipment Leaves no residues

Natupol Excel

exposed to the first daylight Wait for at least 15 minutes after positioning the hive before opening the hive entrance, this allows the bumblebees to calm [...] Pay attention to advice for best practice under conditions with artificial light or in hot environments. Storage time after receipt To guarantee the best [...] artificial light or in warmer environments. Crops Crops with >35 flowers/m 2 /week, such as cherry tomatoes and snack tomatoes, (straw)berries. Mode of

Pine processionary moth

w colour that later changes to dark reddish-brown The life cycle of T. pityocampa is normally annual but may extend over 2 years at high altitude or in [...] n damage is extremely serious in young reforested areas where it may lead to death of trees, directly or as a consequence of attack by bark beetles or [...] spot in the anal region. The cylindrical egg masses range in length from 4 to 5 cm. They are covered with the scales of the female anal tuft, which mimics

Artificially lit crops pollination advice

can enable bumblebees to fly during periods of adequate daylight. On average, bumblebees are allowed to fly between 10:00 a.m. and 2:00 p.m. (4 weeks be [...] better to close the hives as well. Bumblebees can fly and forage under artificial lighting but may struggle to orient themselves and return to the hives [...] aimlessly in the crop, it is advised to turn off grow lights well before sunset to encourage their return to the hive. LED lights and pollination Based

Encarsia formosa

from 1-10 per m 2 /release. Releases should be repeated until control is achieved. At increasing temperatures it may be better to switch to the use of Enermix [...] parasitic wasp, native to temperate and subtropical regions, has become an important natural enemy for farmers and gardeners aiming to reduce the reliance [...] inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the

Aphidius colemani

causing aphids to drop from the leaf and fall to the ground. Although many aphids die as a result, many will survive and migrate to other plants to begin new [...] a cocoon inside the aphid cuticle, causing it to swell. The cuticle turns from a hard, leathery brown to a golden yellow casing, known as a mummy. Parasitized [...] however, provide a reliable key to the species of wasp within: many braconid wasps that parasitize aphids produce a mummy similar to that of Aphidius spp. The