CSS302-Lecture7 - Hemp Dogbane - _______________ Yellow...

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Four Processes of Reproduction of Weeds A. Seed Production B. Dissemination of Seed C. Germination of Seed D. Vegetative Reproduction
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Four Processes of Reproduction of Weeds A. Seed Production B. Dissemination of Seed C. Germination of Seed D. Vegetative Reproduction
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Seed Polymorphism The production of seeds of differing morphologies and/or behaviors on the same parent plant. – Cocklebur - 
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Seed Polymorphism – Common Lambsquarters »Brown seed--____________ strategy »Black seed--_____________ strategy opportunistic--______________ seasonal--___________________
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Four Processes of Reproduction of Weeds A. Seed Production B. Dissemination of Seed C. Germination of Seed D. Vegetative Reproduction
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D. Vegetative Reproductive Characteristics of Weeds 1. Spread of Vegetative Tissue 2. Depth of Vegetative Tissue 3. Depth of Shoot Development 4. The Bud Reserve 5. Age When Vegetative Tissue Develops
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1. Spread of Vegetative Tissue Quackgrass - 10 ft/year Canada Thistle - ____________ Perennial Sowthistle - _____________
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Unformatted text preview: Hemp Dogbane - _______________ Yellow Nutsedge - _______________-2. Depth of Vegetative Tissue Quackgrass - 4-6 inches Yellow Nutsedge - <12 inches Common Milkweed - ___________ Field Bindweed - ______________ 3. Depth of Shoot Development o Quackgrass - <12 inches . Canada Thistle - ___________ . Field Bindweed - ___________ 4. The Bud Reserve Quackgrass - ____ buds/plant/ year (dormant) Yellow Nutsedge - ____ tubers/year, ____ million tubers per acre Canada Thistle, Hemp Dogbane, and Perennial Sowthistle can produce new shoots from <_______ of root. 5. Age When Vegetative Tissue Developes Quackgrass - 6-8 weeks Canada Thistle - _____________ Yellow Nutsedge - _____________ Vegetative Reproduction General Concepts: Primary means of reproduction in many species Generally limited to a localized area Favored by a stable environment...
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CSS302-Lecture7 - Hemp Dogbane - _______________ Yellow...

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