Bundle: Biology: The Unity and Diversity of Life, 14th + LMS Integrated for MindTap Biology, 1 term (6 months) Printed Access Card
14th Edition
ISBN: 9781305774384
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 30, Problem 2DAA
Volatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.20.
| Volatile Compound Produced | Treatment | |||||
| C | T | W | WT | HV | HVT | |
| Myrcene | 0 | 0 | 0 | 0 | 17 | 22 |
| β-Ocimene | 0 | 433 | 15 | 121 | 4.299 | 5.315 |
| Linatod | 0 | 0 | 0 | 0 | 125 | 178 |
| indole | 0 | 0 | 0 | 0 | 74 | 142 |
| Nicotine | 0 | 0 | 233 | 160 | 390 | 538 |
| β-Etemene | 0 | 0 | 0 | 0 | 90 | 102 |
| β-Caryophyllene | 0 | 100 | 40 | 124 | 3.704 | 6.166 |
| α-Humutene | 0 | 0 | 0 | 0 | 123 | 209 |
| Sesquiterpene | 0 | 7 | 0 | 0 | 219 | 268 |
| α-Farnesene | 0 | 15 | 0 | 0 | 293 | 457 |
| Caryophyltene oxide | 0 | 0 | 0 | 0 | 89 | 166 |
| Total | 0 | 555 | 288 | 406 | 9.423 | 13.563 |
FIGURE 30.20 Volatile (airborne) compounds produced by tobacco plants (Nicotiana tabacum) in response to predation by Different inserts. Plants were untreated (C), attacked by thrips (T), mechanically wounded (W). mechanically wounded and attacked by thrips (WT), attacked by budworms (HVJ, or attacked by budworms and thrips (HVTJ. Values are nanograms/day.
2. Which volatile chemical was produced in the greatest amount? What was the stimulus?
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Chapter 30 Solutions
Bundle: Biology: The Unity and Diversity of Life, 14th + LMS Integrated for MindTap Biology, 1 term (6 months) Printed Access Card
Ch. 30 - Prob. 1SQCh. 30 - _______ is the hormone in most rooting compounds....Ch. 30 - Which of the following statements is false? a....Ch. 30 - Prob. 4SQCh. 30 - Ethylene differs from other hormones in that it...Ch. 30 - Heliotropism may be related to ________ a. photo...Ch. 30 - Prob. 7SQCh. 30 - Prob. 8SQCh. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Volatile Secondary Metabolites in Plant Stress...
Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Stomata dose in response to ________ a. ABA b....Ch. 30 - Prob. 10SQCh. 30 - Match the hormonewith the characteristic. _____...Ch. 30 - Match the hormone with the observation. ____...Ch. 30 - Professional gardeners often soak seeds in...Ch. 30 - Photosynthesis sustains plant growth, and inputs...Ch. 30 - Prob. 3CTCh. 30 - Cattle in industrial dairy farms are typically...Ch. 30 - The oat coleoptiles on the left have been...
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