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Introduction to Fast Plants Georgia Davis Feb. 2006.

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1 Introduction to Fast Plants Georgia Davis Feb. 2006

2 Development Dr. Paul H. Williams at the University of Wisconsin-Madison developed fast plants. Originally developed for research in disease resistance. Extended the material for classroom use. Williams PH and C Hill. 1986. Rapid-cycling populations of Brassicas. Science 232: 1385-1389.

3 More development 6 month life cycle reduced to 5 weeks by 20 years of breeding. More than 30 years of breeding to date. Other improvements:  Uniform flowering time  Uniform size  Optimized growing conditions

4 From: www.fastplants.org/intro.lifecycle.php

5 More than 150 traits identified in the material. Original population was Brassica rapa. Also developed populations for six related species. Seeds can be stored up to 10 years.

6 Types of Fast Plants Standard Purple Stem, Hairy Non-Purple Stem Yellow-Green Leaf Non-Purple Stem, Yellow-Green Leaf Rosette dwarf (Gibberellin deficient) Tall Plant (Gibberellin Overexpression) Petite Plant (Gibberellin deficient) Variegated

7 Fast Plants Rapid-cycling Brassicas Crucifers  Cabbage  Turnips  Broccoli  Cauliflower  Mustards  Canola

8 Relationship among Brassicas B. nigra (Bbb) b = 8 B. carinata (Bcbbcc) bc = 17 B. juncea (ABaabb) ab = 18 B. rapa (Aaa) a = 10 B. oleracea (Ccc) c = 9 R. sativus (Rrr) r = 9 Raphanobrassica (Rrrcc) rc = 18 B. napus (ACaacc) ac = 19 From: Around the World with Brassicas.

9 Growth Requirements Continuous fluorescent light Continous Water (Tray with water that each pot sets in) Continous Fertilizer (Pellets) Peat/Vermiculite Potting Mix

10 Manuals That Are Available At the High School Level Spiraling Through Life With Fast Plants Bottle Biology  Use recyclable materials for growing Fast Plants. Wisconsin Fast Plants Manual Using Fast Plants and Bottle Biology in the Classroom

11 Types of Laboratories Germination Growth and Development Life Cycle Physiology Reproduction Ecology, environment, biotic and abiotic factors Variation, heredity, evolution Energy and nutrient cycling

12 Types of Laboratories Germination Growth and Development Life Cycle Physiology Reproduction Ecology, environment, biotic and abiotic factors Variation, heredity, evolution Energy and nutrient cycling

13 Gallery of Fast Plant Images http://www.fastplants.org/activities.gallery. php#menu

14 Fast Plants Website www.fastplants.org

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