Search results
Results from the WOW.Com Content Network
Rose wilt – Rose wilt is a complex of viruses and is referred to as "dieback" in some areas. The disease can be spread by vectors such as aphids. Symptoms are variable and range from stunted growth to curled young leaves. The soft tissue symptoms are more evident in spring and new leaves will reflex towards their own petioles.
Sporotrichosis, also known as rose handler's disease, [2] is a fungal infection that may be localised to skin, lungs, bone and joint, or become systemic. [ 2 ] [ 4 ] It presents with firm painless nodules that later ulcerate . [ 3 ]
White spots on nails are a very common nail issue that can have many causes, experts say. Here's what to know about identifying, treating and preventing those white spots.
Causes of white spots on nails The presence of white spots on your nails can mean a number of things. Experts say the discoloration is most commonly due to injury and is usually not a major cause ...
This causes harm to agricultural and horticultural practices where powdery mildew may thrive in a greenhouse setting. [2] In an agricultural or horticultural setting, the pathogen can be controlled using chemical methods, bio-organic methods, and genetic resistance. It is important to be aware of powdery mildew and its management strategies as ...
It may form for different, and sometimes dangerous, reasons.
Symptoms can overlap across causal agents, however differing signs and symptoms of certain pathogens can lead to the diagnosis of the type of leaf spot disease. Prolonged wet and humid conditions promote leaf spot disease and most pathogens are spread by wind, splashing rain or irrigation that carry the disease to other leaves.
White mold affects a wide range of hosts and causes sclerotinia stem rot. It is known to infect 408 plant species. As a nonspecific plant pathogen, [2] diverse host range and ability to infect plants at any stage of growth makes white mold a serious disease. The fungus can survive on infected tissues, in the soil, and on living plants.