White spots on oak leaves: what to do?

In fine weather with the subsequent formation of dew, oak leaves sometimes get white spots on the upper side. This is oak powdery mildew, which can be combated with household remedies. oak powdery mildew Powdery mildew on oak trees, also known as oak powdery mildew, is caused by the fungus Microsphaera alphitoides. It is host-specific and only occurs on…

Control late blight, Phytophthora infestans on tomatoes and potatoes

A rainy summer puts experienced hobby gardeners on the alert. They know about the botanical sword of Damocles that now hovers over their lovingly tended tomatoes and potatoes. The fungal disease Phytophthora infestans is spreading explosively in the face of warm, humid weather conditions. The evil begins with the potato plants and soon finds its way to the…

The most common plant diseases

In warm, humid weather, the risk of infection is particularly high. That doesn’t mean plants are safe from fungus and bacteria in cool, dry weather. Basically, the hobby gardener must never let up in his vigilance, because plant diseases are always lurking to strike. Some spores have even specialized in certain genera. Anyone who acts according to the motto…

Shotgun Disease Control and Natural Sprays

Where shotgun disease strikes, it puts hobby gardeners on high alert. And rightly so, because the Stigmina carpophilum fungus is characterized by such tenacity that it even overwinters. Its prey pattern ranges from stone fruit of all kinds to ornamental trees such as the cherry laurel. The plant disease owes its name to the circular holes that form…

Recognizing and controlling cucumber diseases | 10 diseases of cucumbers

Diseases should be identified and combated as early as possible so that the tasty vegetables are not damaged before they are harvested. Unfortunately, there are some cucumber diseases that can kill the plant and minimize a harvest. Some could be avoided, others occur despite good care. The following article explains how fungal infestation, viruses or pests that weaken…

Monilia combat peak drought and resistant varieties

The Monilia peak drought is caused by the fungal pathogen Monilia laxa, whose spores first infect the flowers and then penetrate the young shoots. Initially, this disease primarily affected stone fruit, in particular cherries, plums, apricots and peaches, but ornamental plants such as almond trees are increasingly becoming victims. Apples and pears are also among the host…

Fight powdery mildew and downy mildew

Gray-white spots, brown discoloration or fungus-like deposits – the facets of powdery mildew and downy mildew are diverse. Every hobby gardener who discovers this disease in his plants knows that the plant needs immediate treatment. In order to get the symptoms under control, in addition to conventional fungicides, naturopathic approaches and home remedies are available that can…