Silver-Y moth

caterpillar is full-grown, it will form a greenish to black pupa, either in leaves which are woven together with silk threads, or in a suitable hiding place [...] appears in northern parts of Europe until November, migrating back to southern Europe for the winter months. The moths can fly 2,000 to 2,500 km. In temperate [...] plant, usually separately but sometimes in small groups. These eggs are a greyish white, suffused with a blue-grey in the middle and they have irregular surface

Leaf stripe

this leads to the death of the leaf. The leaf splits at the end which makes it look shredded. This is typical for this disease. Infected plants may be stunted [...] at soil temperatures above 15 °C. How to prevent Leaf stripe Produce seed in semi-arid environments without irrigation, to decrease the chances of infection [...] or at least test the seed before use Use resistant cultivars Delay sowing in spring barley until soil temperature is higher than 12-15 o C Prevent plant

Plum

is a drupe, so its firm and juicy flesh contains one single, hard seed. The plum is usually not too big (between 1-3 inch diameter) and its shape is globose [...] belongs to the subgenus Prunus as well as the genus Prunus . This fruit comes in many species, and taxonomists cannot agree on how many exactly. Depending

Aphidius matricariae

and is widely recognized for its role in biological pest control of aphids . This small wasp is a valuable natural enemy in both agricultural and horticultural [...] available in a bottle ( Aphipar-M ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction [...] optimizing their predatory impact in areas with high aphid concentrations. In this way, Aphidius matricariae plays a crucial role in controlling aphid infestations

Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We worked in consultation [...] There are many oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for [...] management. Buha manages some 9000 solitary oak trees withing this municipality. In 2020 the level of infestation with the oak processionary caterpillar within

Dacnusa sibirica

Dacnusa sibirica is available in a bottle ( Minusa ). Release parasitic wasps between the leaves of the crop in the morning or in the evening The dosage of [...] the family Braconidae . This insect is known for its role as a biological control agent, particularly in the control of leaf miners of the genus Liriomyza [...] Liriomyza . The species is native to Europe and can appear spontaneously in greenhouses in all seasons. Dacnusa sibirica is used for the control of the following

Blackberry

Idaeobatus subgenera. The blackberry is actually not a berry botanically speaking. It is a so-called aggregate fruit that consists of small kernels.

Gummy stem blight

and makes it harder for the fungi to enter the leaves Pick flowers within two days after opening in areas suspected of disease (only feasible in high-wire [...] pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in cucumber causes brown lesions on the foot and higher up on the stem. On the [...] spores, become visible. On the leaves, round and extending lesions may occur. In cucumber, the most important symptom is internal fruit rot, which can only

Pea blight, leaf and pod spot

) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds [...] blight, leaf and pod spot Ascochyta pisi hardly survives in the soil or on crop residues because of its poor saprophytic competitiveness and because chlamydospores [...] water for dispersal. How to prevent Pea blight, leaf and pod spot Grow peas in arid regions Use clean seed Use a minimum crop rotation of four years with

Rapeseed

Rapeseed is primarily grown for its oil rich seeds and nowadays the species is the third-largest provider of vegetable oil in the world.