• Pollination checklist tomato

  pollination, a 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 [...] 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. Shade can [...] All the closed flowers must have bite marks. The closed flowers provide a precise picture of the situation. Flowers that are open for longer than one day

• Amblyseius swirskii

  slightly larger. The larvae of Amblyseius swirskii do not need to feed. The nymphs are larger than the larvae, have eight legs, and are a whitish yellow [...] legs, are a translucent white in colour, and have a flat, elongated body. They are roughly 0.4 mm in length. Males are smaller than females. The mites are [...] it is hindered by the glandular hairs on the stems and leaves and does not build up a population. Amblyseius swirskii in bottles The predatory mite Amblyseius

• Knowing & recognizing

  Get the growers’ guide to biological crop protection Knowing and recognizing does exactly what it implies. It empowers you with knowledge about the pest’s [...] s of the most prevalent pests, diseases and their natural enemies. This book provides the reader with the necessary information to understand the interaction [...] they spread in the crop, the damage they can cause, and specific behavioural characteristics. Shop now Koppert - A knowledge company The use of biological

• Spider mites and other mites

  n of the leaves, with the affected areas curling and twisting. This damage is caused by the mites feeding on the plant tissue, which disrupts the growth [...] of the leaves. False spider mite damage False spider mites, also known as flat mites, can cause a range of damage, depending on the species and the host [...] and the availability of food. Here's an overview of the life cycle of plant mites: Egg: The life cycle begins with the female mite laying eggs. The eggs

• Pierce's disease of grapevine

  over the leaf from the margin and is marked by a chlorotic band. In the beginning, only a few leaves per branch are showing symptoms, but later the growth [...] usually starts in the upper part of the canopy on a few branches and then extends to the rest. Eventually, the whole root system is killed and the trees die. [...] in the leaves to neighbouring peach trees with the bacteria mainly in the roots is much more successful than the other way around. In general, the low

• Two-spotted spider mite

  to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck out the contents. The empty [...] loss of the crop. The nymphs and adults also produce webs, and plants can get completely covered with such webs in which the mites live. The webbing and [...] become yellow, and in many plants the damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced

• Southern blight

  causing infection in the plants. The sclerotia can survive in the soil for a minimum of a year. The telemorphic phase corresponds to the basidiomycetes Athelia [...] darkening and rotting of the stem, resulting in the destruction of the cortex and the main root. As a consequence, leaves higher up in the plant start yellowing [...] lesions on the stem. As the damage progresses, it causes darkening and rotting of the stem, resulting in the destruction of the cortex and the main root

• Bactosan

  application. Regularly check the bait solution and frequently remove the trapped flies from the Bactosan trap. Change the lure at an interval of 4 – 6 [...] monitoring insect populations. How does Bactosan trap work? Bactosan trap is used for trapping a wide variety of fruit flies . The trap is baited with an fruit [...] and female pest. Flies enter the trap through the inverted funnel. Once inside they cannot escape and will land and sink in the liquid attractant. How to

• Bugs

  wings flat over their body when at rest. The wings overlap each other exposing the scutellum, a prominent triangular region of the thorax between the wing [...] control Learn more about What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and [...] and puncture holes. The most obvious damage is the deformation of growing points. They also cause tissue damage and deformed growth as a result of toxic

• 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 [...] extract large 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 [...] betraying their presence in the crop. The adult potato aphid is a large, slender aphid with long, green cornicles, long legs, and a long cauda. Adults are usually