Houseplant Diseases And Pests

March 31, 2024 Post a Comment

Houseplant diseases and pests

Disease Symptoms: What To Watch For When disease attacks a plant, it's easily visible. Growth slows, stunts or becomes spindly; leaves may yellow, show white powdery blotches or develop spots. Affected leaves eventually drop. Stems may become soft and mushy, with black tissue visible near the soil.

What does fungus look like on houseplants?

Symptoms of a fungal disease on indoor plants There are many species of fungi that can cause leaf spots on houseplants. Symptoms often include many tan to reddish brown to black roughly circular spots or lesions that may run together to cause large irregular shaped lesions or blighting of the entire leaf.

How do you identify plant pests and diseases?

Identifying Pests: During the growth of your garden, keep an eye out for any obvious bite marks or colonies of bugs. Be sure to check the underside of leaves and along plant stems. Identifying the bite marks and the plants the occur on may be all you need to identify the pest.

What are some common pest or disease found in potted plants?

How to Spot 6 Common Houseplant Pests and Safely Kill Them

Scales.
Mealybugs.
Spider Mites.
Whiteflies.
Aphids.
Fungus Gnats.

What are the 10 common plant diseases?

Here Are 10 Common Plant Diseases In North America:

Blight. Blight is easily recognizable by the sudden death of all plant tissue including leaves, stems, and flowers.
Canker. Canker is identifiable by a dead area on the stem that is often discolored.
Gall. ...
Leaf Curl. ...
Leaf Spot. ...
Powdery Mildew. ...
Root Rot. ...
Wilt.

How do I know if my plant has fungal infection?

Fungal disease signs: Leaf rust (common leaf rust in corn) Stem rust (wheat stem rust) Sclerotinia (white mold) ... Dark red kidney bean leaf showing bacterial leaf spot symptom (brown leaf spot with yellow halo). Photo credit: Fred Springborn, MSUE

Mosaic leaf pattern.
Crinkled leaves.
Yellowed leaves.
Plant stunting.

What does blight look like on houseplants?

The symptoms of this disease appear on leaves, flowers, buds, and stems. Brown, water-soaked spots first appear at the onset of the disease. Over time, the brown spots will develop fuzzy mold and the petals may matte together. On stems, lesions may form and cause dieback and wilt.

What do overwatered houseplants look like?

The most common signs of overwatering are wilting leaves and a pot that feels heavy due to soggy soil. Yellow leaves, mushy or loose bark on the plant stems and molds that appear on the top of the soil are also indicators of overwatering.

What are common houseplant diseases?

Diseases which can afflict houseplants Gray mold (Botrytis cinerea) — attacks older foliage and flowers, causes brown, wet spots on leaves or flowers. Dusty, gray spores are visible on infected tissue. Leaf spot fungus — oval, brown/black spots, not limited by leaf veins, often with a yellow halo or purple band.

What are the 4 common plant diseases?

Common Plant Diseases

Black Spot.
Other Leaf Spots.
Powdery Mildew.
Downy Mildew.
Blight.
Canker.

What are the three basic symptoms of plant disease?

Systemic symptoms are those involving the reaction of a greater part or all of the plant, such as wilting, yellowing, and dwarfing. Primary symptoms are the direct result of pathogen activity on invaded tissues (e.g., swollen “clubs” in clubroot of cabbage and “galls” formed by feeding of the root knot nematode).

How do you get rid of houseplant pests?

Remove infested leaves, and spray them off the plant with water before spraying with insecticidal soap. Repeat the process once per week until they disappear. To avoid bugs spreading in the first place, make a habit of looking for pests when you water your indoor plants.

What do soil mites look like?

Here are a few tips for identifying soil mites: Look for small, brown, or black insects that have six legs and are about one-eighth of an inch long. If the soil is dry, mites may be seen crawling around on the surface. Check for fecal matter or eggs on the creature's body.

What are the worst houseplant pests?

6 Of The Most Common House Plant Bugs:

Aphids. Aphids are commonly found on houseplants, and can deter plant growth.
Spider Mites. You may need to bust out the magnifying glass in order to spot signs of. ...
Mealybugs. We have discussed mealybugs in a previous blog; these very determined. ...
Whitefly. ...
Scale Insects. ...
Thrips.

What do thrips look like?

Thrips appear to be tiny dark slivers on your plants. It is hard to see their bodies well without a magnifying glass, but up close, they look a bit like lobsters. Shake them onto a white background in order to see them well.

What are the 5 main diseases?

Infectious diseases affect billions of people around the globe annually. According to WHO and the CDC, these infectious diseases are the five most common.

Hepatitis B.
Malaria. ...
Hepatitis C. ...
Dengue. ...
Tuberculosis.

What are the symptoms of bacterial disease in plants?

Symptoms of bacterial infection in plants are much like the symptoms in fungal plant disease. They include leaf spots, blights, wilts, scabs, cankers and soft rots of roots, storage organs and fruit, and overgrowth. Bacterial spots: the most common symptom of bacterial disease is leaf spots.

What are 5 common diseases?

Common Illnesses

Allergies.
Colds and Flu.
Conjunctivitis ("pink eye“)
Diarrhea.
Headaches.
Mononucleosis.
Stomach Aches.

What does fungus on a plant look like?

Caused by any number of species of fungi, fungal leaf spots can be yellow, tan, brown/reddish or black spots, sometimes with a yellow rim, in irregular circular shapes that can grow and merge to form larger lesions on leaves.

What does fungal contamination look like?

Fungi and mold can appear as small isolated colonies of grey, white or greenish color, floating at the surface of the medium. It is important to inspect the culture vessel with the naked eye and look for colonies which rest on the medium surface and will be missed during microscopic inspection.