Content
- To keep pests away from grapevines
- Phylloxera (Viteus vitifoliae)
- Rebenpox mite (Colomerus vitis)
- Vine engraver (Byctiscus betulae)
- Tips & Tricks
The vine engraver can cause great damage
To keep pests away from grapevines
In addition to the usual suspects among the plant pests, three parasites have specialized in the grapevine. What these are and how to fight them is no longer hidden from you here.
Phylloxera (Viteus vitifoliae)
It spreads fear and terror in the vineyards when it comes in droves over the vines. Thus, it is hardly surprising that every appearance of phylloxera is notifiable. The pest falls in different forms on the vines and sucks their lives. The 1 mm small females are ocher yellow and winged. The winged males shine bright yellow.
As the most successful method against phylloxera, the use of refined grape varieties has established itself. In this case, rebel tolerant documents from America are used, which have for some time prevented the dreaded invasions of the pests. Therefore, pay attention to the offers of noble varieties when purchasing young plants or you will refine the vines in the context of propagation itself.
Rebenpox mite (Colomerus vitis)
The tiny little gall mites cause smallpox-like elevations on the leaf tops in spring and summer. In the further course develops a white felt, which appears brown-red with red grape varieties. Therefore, this damage is often confused with the fungal infection mildew.Only with very high infestation pressure is the use of a control agent based on rapeseed oil recommended. Otherwise, infected leaves should be plastered.
Vine engraver (Byctiscus betulae)
The 5 to 7 millimeter small beetle is hard to miss with its shiny metallic body in golden yellow, blue or violet. From April to September, the grapevine growers prefer vineyards. The females gnaw the leaves to wither. Then they wrap their brood in it. Each female destroys up to 30 leaves, so that the supply of the grapes is endangered. How to tackle the pests:
Insecticides are no longer allowed for use in allotments and in view of the wholesomeness of the grapes is not useful.
Tips & Tricks
The omnipresent black weevil does not spare the grapevine. The adult beetles harm the plants as well as their larvae. As an ecological control method, nematode traps have proven themselves. The ingenious construction is filled with the roundworms and works for 6 weeks per 10 square meters area.
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