Obscure mealybug

wax, the filaments around the body are longer (20-50% of the body size) and the two tail filaments are always markedly longer than the others. The obscure [...] inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing [...] primarily at the foot of the stalk. In an overhead wire system of cultivation, the mealybugs are often located on the horizontal part of the stalk. These

Thrips

egg, she makes an opening in the plant tissue. The eggs are laid in leaves, flower petals and in the soft parts of stalks. On the leaves of sweet pepper, [...] indicate their presence in the crop. At a later stage, the empty cells become desiccated and the adjacent cells turn brown. The vigour of the plant is also reduced [...] hatching, the larvae begin to feed on plant tissue on the underside of the leaf. The larvae are smaller than the adults and lack wings. Depending on the species

Silver-Y moth

Europe for the winter months. The moths can fly 2,000 to 2,500 km. In temperate climates, the species produces one to two overlapping generations, and it is [...] to grey, but the most distinctive feature is the irregular white mark. The hindwings are brown with a broad, dark band along the margin. The body is light [...] light brown and hairy, the antennae are long and thin. The moths fly during the day as well as at night, often in large swarms. They fly rapidly from flower

Aphidius ervi

Aphidius ervi The parasitic wasp Aphidius ervi is available in a bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material [...] remains dry and is not moved from its introduction site for at least a few days The dosage of Ervipar depends on climate, crop and aphid density and should [...] conditions for use of Aphidius ervi The parasitic wasp Aphidius ervi is most effective between 20 and 25°C (68 and 77°F). This natural enemy is not effective

Roots Growers positive about Mycotal against whitefly

notice that the whitefly’s development cycle had clearly been inhibited in the spots treated with Mycotal. We used the same dosage of Enermix in the three test [...] of infestation is higher and whitefly levels are high earlier in the year. We could theoretically spray everything in the greenhouse to death during crop [...] Alex Taal and David van Dijk and decided to compare the effectiveness of three biological products against whitefly . Among the products, which were sprayed

Sugar beet

consists of the root and a rosette of leaves. Sugar is formed by photosynthesis in the leaves and is then stored in the root. Sugar beets are the second only [...] of the world’s sugar production. Sugar beets grow exclusively in temperate zones, in contrast to sugarcane, which grows exclusively in tropical and subtropical [...] belongs to the Altissima cultivar group of the common beet. Beta vulgaris (beet) is a plant which is included in Betoideae subfamily in the Amaranthaceae

Herbs

products. In the culinary world, there is a strict difference between herbs and spices. Herbs are the leafy green or flowering parts of a plant, which can be [...] actually all plants which are used as food ingredient, natural medicine or fragrances. They often have savory or aromatic characteristics and are used for flavouring [...] Spices derive from other parts of herbal plants and are often dried seeds, berries, roots, bark and fruits. Botanically speaking, ‘herb’ is synonymously

Consumers

Every day, Koppert helps growers and farmers around the world to combat pests and diseases in a natural and sustainable way. In this way, we hope to make an [...] predatory mites , ladybugs, and parasitic wasps are released to combat harmful insects, in the same way as they do in the wild. Koppert supplies various [...] journey. The plant first has to form fruit before the tomato can actually start to grow. In nature, insects and other animals take care of the pollination

Potato aphid

from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds (

Large raspberry aphid

siphunculi. The cauda is short and triangular. Overwintering eggs of the large raspberry aphid are laid near the base of vegetative canes and hatch in spring. [...] emerging in spring, the aphids mainly feed on the underside of leaves and start to reproduce parthenogenetically. They are very mobile and drop from the plant [...] Winged aphids usually appear in June and July and migrate to new canes or host plants where they produce wingless aphids again. In October to December winged