Wrong mildew
The wrong one mildew is the most common onion fungal disease that can occur in permanently damp and cool weather. The spores of the fungus are transmitted by the diseased onions or come from the ground where they were left over from the overwintered plants.
also read
- Do not harvest onions too early
- Paw off onions!
- Well-dried onions will last longer
The clinical picture manifests itself in the fact that the foliage is discolored. However, the discoloration is difficult to notice at first, so it can spread unhindered. As the infestation progresses, the leaves die and the tuber has a hard time growing.
Preventive measures:
- When buying seeds, pay attention to the resistant varieties
- If possible, water the plants in the morning or afternoon so that the moisture does not remain on the leaves overnight
- airy garden space is important
- do not arrange the rows too closely so that the plants have more space
Onion fly
The onion fly is an aggressive pest that lays eggs on the young plants from April onwards. The maggots that hatch damage the onion by eating into it. The onion fly hatches two to three times during the year. The first generation is the most dangerous because the young plants are still developing and are not robust enough.
The infestation can be recognized by the fact that the young plants first wither and then their green dries up. The onions are starting to rot. You can tell by the fact that you can easily pull the onions out of the ground.
The best means of avoiding fly infestation are the protective nets that are stretched over the beds. This is especially important at the time of the sowing in April to the formation of the tubers in June, as the growing plants are not yet resistant at this point in time. Direct proximity to carrots should also be beneficial. Next it should be with the fresh organic fertilizer do not exaggerate.
Tips & Tricks
The onions are spared from an annoying pest: the snails do not like the onions, they are probably too hot for them.