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MOLD: A COMPLETE GUIDE to TEST CLEAN PREVENT
AIR CLEANER PURIFIER TYPES
AIR FILTERS for HVAC SYSTEMS
AIR POLLUTANTS, COMMON INDOOR
AIR QUALITY IMPROVEMENT STRATEGIES
ALLERGEN TESTS for BUILDINGS
ANIMAL ALLERGENS / PET DANDER
ANIMAL or URINE ODOR SOURCE DETECTION S
ATTORNEYS and EXPERT WITNESSES
BIBLIOGAPHY ENVIRONMENTAL HEALTH, MOLD, IAQ
CAR MOLD CONTAMINATION
CARPET DUST IDENTIFICATION
CARPET MOLD CONTAMINATION
CAT DANDER in BUILDINGS
COMBUSTION GASES & PARTICLE HAZARDS
CONDENSATION or SWEATING PIPES, TANKS
CPSC Indoor Air Pollution Book Online Copy
DUCT SYSTEM & DUCT DEFECTS
EMERGENCY RESPONSE, IAQ, GAS, MOLD
FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FLOODS IN BUILDINGS-mold
GAS EXPOSURE EFFECTS, TOXIC
HUMIDITY CONTROL & TARGETS INDOORS
HOUSE DUST ANALYSIS
HOUSE DUST COMPONENTS
INDOOR AIR QUALITY IMPROVEMENT GUIDE
MILDEW REMOVAL & PREVENTION
MOISTURE CONTROL in BUILDINGS
MOLD GROWTH on SURFACES, TABLE OF
MYCOPHOBIA, STAINS MISTAKEN for MOLD
NOISE / SOUND DIAGNOSIS & CURE
ODORS GASES SMELLS, DIAGNOSIS & CURES
OZONE for MOLD OR ODORS
RADON HAZARD TESTS & MITIGATION
SAFETY HAZARDS GUIDE
SICK HOUSE IAQ QUESTIONNAIRE
SMELL PATCH TEST to Track Down Odors
STAIN DIAGNOSIS on BUILDING INTERIORS
VENTILATION in BUILDINGS
Remedies for mildew growth & contamination: How do we get rid of, clean off, and prevent future growth of mildew? As we discuss in this article, mildew, a sub-class of molds, is an obligate parasite that grows only on living plants, and is generally white in appearance. Our page top photograph shows mildew growing on a jasmine plant at a Vassar College home in Poughkeepsie, New York. More photographs of mildew are included in this article. This article explains the clean-up or clean off of mildew, how to get rid of mildew, and how to prevent mildew growth on house plants and in home gardens. Also see the photos at MILDEW in buildings ? as well as MILDEW ERRORS, IT's MOLD. At BOOK MOLD, Moldy Book Cleaning we discuss more aspects of the difference between mildew and other molds, and why that difference matters.
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Readers who need to cure or prevent efflorescence, mold or "mildew" in buildings should see STAIN DIAGNOSIS on BUILDING INTERIORS, and MOISTURE CONTROL in buildings as well as HUMIDITY LEVEL TARGET also VENTILATION in BUILDINGS and WATER ENTRY in buildings. Readers concerned with building mold contamination should see MOLD ACTION GUIDE - WHAT TO DO ABOUT MOLD. At this website, other photos of mold on indoor building surfaces may help you recognize mold in buildings, recognize probably-cosmetic mold, and recognize stuff that is not mold and does not need to be tested. See MOLD APPEARANCE - WHAT MOLD LOOKS LIKE for photographs that help recognize mold growth in buildings. See MOLD APPEARANCE - STUFF THAT IS NOT MOLD for other substances sometimes mistaken for mold in or on buildings. Also see Mold spores in the Home - a Photo ID Library for detection and identification of mold allergens on indoor building surfaces.
See Mold Atlas & Particles List for an atlas of building molds and for more microphotographs of building mold samples observed in our laboratory see MOLD by MICROSCOPE. Our Atlas of Mold Related Illness Symptoms & Complaints provides details about specific mold genera/species and their health effects.
If your "mildew" is found on building surfaces, it is mold, but it is not mildew, and you need to follow normal mold cleanup procedures. See BASICS YOU NEED to FIND, TEST, REMOVE MOLD for a detailed step by step guide to removing problem mold and for identifying and fixing the cause of mold growth in the first place.
If you are having trouble tracking down a moldy smell in your building, try the suggestions we describe at ODORS GASES SMELLS, DIAGNOSIS & CURE.
If your mildew is indeed growing on a living plant (tomatoes, grapes, crops, house plants, other plants) it can weaken or even kill the plant, at least by interfering with photosynthesis. Mildews on plants may be a species of mildew fungus that is plant specific.
For example a mildew that grows on grapes may affect only those plants and may not infect nearby plants of other types, roses for example. But the conditions that cause powdery mildew to grow on plants invite infection of many plants in a given area.
These include crowding (poor air circulation within or around the plant), and dampness or high humidity. If a plant is already stressed or weak from other conditions, it may be more susceptible to mildew infection as well.
While lots of "mildew cleaning" products are sold with the intention of removing mold from building surfaces (bathtub tile grout, for example), do not use such products on plants - you will probably kill the plant.
You will probably need to move the plant outside when weather permits, so that the plant can be cleaned and treated with a plant mildewcide or fungicide. Treat the plant with a garden mildewcide intended for that purpose. If your plant is producing edible fruits or vegetables, be sure to choose and follow the instructions on a mildewcide approved for use on edible plants. More detail on curing mildew follows.
Most experts advise cutting away all mildew-infected parts of the plant; If the plant is almost entirely covered with mildew, it may be lost, and/or it may not survive extreme pruning. We had success with the mildew-infected jasmine shown at the top of this page by the following few steps. (Our focus in this article is on house and home garden plants, and on building mold and mold problems, not on agricultural applications).
Other Steps to Cure or Prevent Mildew on Plants
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