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Published byKathlyn Stevens Modified over 9 years ago
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FORESTS OUT OF BALANCE MILE-A- MINUTE WEED AND OTHER INVASIVE VINES JUDITH A. OKAY, Ph.D
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KNOW THE ENEMY ( Polygonum perfoliatum and OTHER INVASIVE VINES) English ivy Chinese wisteria Oriental bitter sweet Porcelain berry Climbing euonymous Japanese honeysuckle
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WHY ARE THEY SO BAD? INVASIVE STRATEGIES MODE OF REPRODUCTION MODE OF DISPERSAL RESOURCES COMPETITION SURVIVAL
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RESOURCES WATER, SUNLIGHT SOIL (SPACE AND MINERALS)
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MODE OF DISPERSAL WIND ( LIGHT SEED WITH AIRBORNE PHYSIOLOGY) WATER ( BOUYANCY, FLOTATION PHYSIOLOGY) ANIMAL ( ATTACHMENTS SUCH AS STICKY, BARBS, OR EDIBLE BERRY OR NUT) HUMAN ( TRANSPORTING, PLANTING DISPOSAL)
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MODE OF REPRODUCTION SEXUAL REPRODUCTION - FLOWER, POLLINATION, SEED PRODUCTION ASEXUAL REPRODUCTION- VEGETATIVE (FROM PLANT LEAVES, ROOTS, STEMS)
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COMPETITIVE EDGE EARLY COLONIZER PRODUCE MANY SEEDS OR YOUNG EFFICIENT AT RESOURCE USE GROW RAPIDLY MULTIPLE DISPERSAL AGENTS ATTRACTIVE FLOWER, FRUIT, SEED, LEAVES OTHER FEATURES
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WHAT MAKES SURVIVORS HARD OR ARMED SEED COVER NOT SENSITIVE TO HEAT, COLD, MOISTURE SEEDS VIABLE FOR LONG PERIODS SEEDS CONTAIN GOOD NUTRIENT SUPPLY ( SIZE IMPORTANT) NOT SEED DEPENDENT
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HOW DOES MILE-A- MINUTE FIT THE MOLD? MORE THAN ONE MODE OF DISPERSAL PRODUCES FOR A LONG SEASON AND MANY SEEDS GROWS QUICKLY/ OUTCOMPETES ARMED FOR COMPETITIVE EDGE NO NATURAL PESTS OR DISEASES IN USA UNUSUAL AND “PRETTY”
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MAM CLIMBING 20-30 FT WILLOW
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TREE SHELTER BUTTON BUSH SEEDLING
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MONOCULTURE WHERE SEEDLINGS WERE (HUMPS)
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KNOW THE FACTS FOR MANAGEMENT AND CONTROL MECHANICAL CONTROL CHEMICAL CONTROL BIOLOGICAL CONTROL
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PREVENTION RECOGNITION ACT QUICKLY BE PERSISTENT SITE PREP INCINERATE PLANT DEBRIS, DON’T RECYCLE INVASIVES!
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