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14. Samara Dispersal in Boxelder: An Exercise in Hypothesis Testing.

Author

Minorsky, Peter V. and Willing, R. Paul

Abstract

Presents a fun, inexpensive, and pedagogically useful laboratory exercise that involves indoor studies of the dispersal properties of the winged fruits (samaras) of boxelder trees. Engages students in the process of hypothesis testing, experimental design, and data analysis as well as introducing students to important concepts related to functional ecology, succession, and plant reproductive biology. (CCM)

Published
1999

23. The functions of foliar nyctinasty: a review and hypothesis

Author

Minorsky, Peter V.

Subjects
anti‐herbivory, plant defence, tritrophic interactions, leaf movements, trophic facilitation, Original Article, Original Articles, foliar nyctinasty, nocturnal carnivores
Abstract

Foliar nyctinasty is a plant behaviour characterised by a pronounced daily oscillation in leaf orientation. During the day, the blades of nyctinastic plant leaves (or leaflets) assume a more or less horizontal position that optimises their ability to capture sunlight for photosynthesis. At night, the positions that the leaf blades assume, regardless of whether they arise by rising, falling or twisting, are essentially vertical. Among the ideas put forth to explain the raison d'être of foliar nyctinasty are that it: (i) improves the temperature relations of plants; (ii) helps remove surface water from foliage; (iii) prevents the disruption of photoperiodism by moonlight; and (iv) directly discourages insect herbivory. After discussing these previous hypotheses, a novel tritrophic hypothesis is introduced that proposes that foliar nyctinasty constitutes an indirect plant defence against nocturnal herbivores. It is suggested that the reduction in physical clutter that follows from nocturnal leaf closure may increase the foraging success of many types of animals that prey upon or parasitise herbivores. Predators and parasitoids generally use some combination of visual, auditory or olfactory cues to detect prey. In terrestrial environments, it is hypothesised that the vertical orientation of the blades of nyctinastic plants at night would be especially beneficial to flying nocturnal predators (e.g. bats and owls) and parasitoids whose modus operandi is death from above. The movements of prey beneath a plant with vertically oriented foliage would be visually more obvious to gleaning or swooping predators under nocturnal or crepuscular conditions. Such predators could also detect sounds made by prey better without baffling layers of foliage overhead to damp and disperse the signal. Moreover, any volatiles released by the prey would diffuse more directly to the awaiting olfactory apparatus of the predators or parasitoids. In addition to facilitating the demise of herbivores by carnivores and parasitoids, foliar nyctinasty, much like the enhanced illumination of the full moon, may mitigate feeding by nocturnal herbivores by altering their foraging behaviour. Foliar nyctinasty could also provide a competitive advantage by encouraging herbivores, seeking more cover, to forage on or around non‐nyctinastic species. As an added advantage, foliar nyctinasty, by decreasing the temperature between plants through its effects on re‐radiation, may slow certain types of ectothermic herbivores making them more vulnerable to predation. Foliar nyctinasty also may not solely be a behavioural adaptation against folivores; by discouraging foraging by granivores, the inclusive fitness of nyctinastic plants may be increased.

Published
2018

25. On the Inside

Author

Minorsky, Peter V.

Subjects
On the Inside, Physiology, Genetics, Plant Science
Published
2019

31. Biology: A Global Approach, Global Edition

Author

Campbell, Neil A., Urry, Lisa A., Cain, Michael L., Wasserman, Steven Alexander, Minorsky, Peter V., Reece, Jane B., Campbell, Neil A., Urry, Lisa A., Cain, Michael L., Wasserman, Steven Alexander, Minorsky, Peter V., and Reece, Jane B.

Subjects
Biology, Biology--Textbooks
Abstract

For courses in general biology. The world's most successful majors biology text and media program are better than ever! The 11th Edition of the best-selling Campbell BIOLOGY sets students on the path to success in biology through its clear and engaging narrative, superior skills instruction, innovative use of art and photos, and fully integrated media resources to enhance teaching and learning. To engage learners in developing a deeper understanding of biology, the 11th Edition challenges them to apply their knowledge and skills to a variety of new hands-on activities and exercises in the text and online. Content updates throughout the text reflect rapidly evolving research, and new learning tools include Problem-Solving Exercises, Visualizing Figures, Visual Skills Questions, and more. MasteringBiology™ is not included. Students, if MasteringBiology is a recommended/mandatory component of the course, please ask your instructor for the correct ISBN. MasteringBiology should only be purchased when required by an instructor. Instructors, contact your Pearson representative for more information.MasteringBiology is an online homework, tutorial, and assessment program designed to work with this text to engage students and improve results. Interactive, self-paced tutorials provide individualized coaching to help students stay on track. With a wide range of activities available, students can actively learn, understand, and retain even the most difficult concepts.

Published
2018

33. Celebrating plant diversity

Author

Raikhel, Natasha V. and Minorsky, Peter V.

Subjects
Biological diversity -- Research, Arabidopsis -- Physiological aspects, Arabidopsis -- Research, Plant morphogenesis -- Research, Biological sciences, Science and technology
Published
2001

35. Campbell Biology in Focus, Global Edition

Author

Urry, Lisa A., Campbell, Neil A., Cain, Michael L., Wasserman, Steven Alexander, Minorsky, Peter V., Reece, Jane B., Urry, Lisa A., Campbell, Neil A., Cain, Michael L., Wasserman, Steven Alexander, Minorsky, Peter V., and Reece, Jane B.

Subjects
Biology
Abstract

For introductory biology course for science majors In 930 text pages, Campbell Biology in Focus, Second Edition, emphasizes the essential content, concepts, and scientific skills needed for success in the college introductory course for biology majors. Focus. Practice. Engage. Campbell Biology in Focus is the best-selling “short” textbook for the introductory college biology course for science majors. Every unit takes an approach to streamlining the material that best fits the needs of instructors, based on surveys, curriculum initiatives, reviews, discussions with hundreds of biology professors, careful analyses of course syllabi, and the Vision and Change in Undergraduate Biology Education report. The Second Edition builds on the Campbell hallmark standards of accuracy, clarity, and pedagogical innovation, going beyond this foundation to help students make connections visually across chapters, interpret real data from research, and synthesize their knowledge. The accompanying digital resources include new, mobile-friendly tools that help instructors teach challenging topics better than ever before; integrate the eText with videos and animations; and allow students to test, learn, and retest until they achieve mastery of the content. MasteringBiology® not included. Students, if MasteringBiology is a recommended/mandatory component of the course, please ask your instructor for the correct ISBN and course ID. MasteringBiology should only be purchased when required by an instructor. Instructors, contact your Pearson representative for more information.MasteringBiology is an online homework, tutorial, and assessment product designed to personalize learning and improve results. With a wide range of interactive, engaging, and assignable activities, students are encouraged to actively learn and retain tough course concepts.

Published
2017

37. The functions of foliar nyctinasty: a review and hypothesis.

Author

Minorsky, Peter V.

Subjects
*FOLIAR feeding, *PLANT growth, *LEAVES, *MENTAL orientation, *PHOTOSYNTHESIS
Abstract

Foliar nyctinasty is a plant behaviour characterised by a pronounced daily oscillation in leaf orientation. During the day, the blades of nyctinastic plant leaves (or leaflets) assume a more or less horizontal position that optimises their ability to capture sunlight for photosynthesis. At night, the positions that the leaf blades assume, regardless of whether they arise by rising, falling or twisting, are essentially vertical. Among the ideas put forth to explain the raison d'être of foliar nyctinasty are that it: (i) improves the temperature relations of plants; (ii) helps remove surface water from foliage; (iii) prevents the disruption of photoperiodism by moonlight; and (iv) directly discourages insect herbivory. After discussing these previous hypotheses, a novel tritrophic hypothesis is introduced that proposes that foliar nyctinasty constitutes an indirect plant defence against nocturnal herbivores. It is suggested that the reduction in physical clutter that follows from nocturnal leaf closure may increase the foraging success of many types of animals that prey upon or parasitise herbivores. Predators and parasitoids generally use some combination of visual, auditory or olfactory cues to detect prey. In terrestrial environments, it is hypothesised that the vertical orientation of the blades of nyctinastic plants at night would be especially beneficial to flying nocturnal predators (e.g. bats and owls) and parasitoids whose modus operandi is death from above. The movements of prey beneath a plant with vertically oriented foliage would be visually more obvious to gleaning or swooping predators under nocturnal or crepuscular conditions. Such predators could also detect sounds made by prey better without baffling layers of foliage overhead to damp and disperse the signal. Moreover, any volatiles released by the prey would diffuse more directly to the awaiting olfactory apparatus of the predators or parasitoids. In addition to facilitating the demise of herbivores by carnivores and parasitoids, foliar nyctinasty, much like the enhanced illumination of the full moon, may mitigate feeding by nocturnal herbivores by altering their foraging behaviour. Foliar nyctinasty could also provide a competitive advantage by encouraging herbivores, seeking more cover, to forage on or around non‐nyctinastic species. As an added advantage, foliar nyctinasty, by decreasing the temperature between plants through its effects on re‐radiation, may slow certain types of ectothermic herbivores making them more vulnerable to predation. Foliar nyctinasty also may not solely be a behavioural adaptation against folivores; by discouraging foraging by granivores, the inclusive fitness of nyctinastic plants may be increased. [ABSTRACT FROM AUTHOR]

Published
2019
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39. Heat-induced hyponasty

Author

Minorsky, Peter V.

Subjects
Growth (Plants) -- Observations, Ethylene -- Health aspects, Biological sciences, Science and technology
Published
2009

42. A moss sodium ATPase

Author

Minorsky, Peter V.

Subjects
Moss -- Genetic aspects, Moss -- Chemical properties, Genetic code -- Evaluation, Genes -- Observations, Biological sciences, Science and technology
Published
2007

44. Indole-3-butyric acid: the other natural auxin

Author

Minorsky, Peter V.

Subjects
Auxin -- Research, Arabidopsis -- Research, Arabidopsis -- Physiological aspects, Roots (Botany) -- Research, Biological sciences, Science and technology
Published
2005

46. Bacterial-like glycerol channel in mosses

Author

Minorsky, Peter V.

Subjects
Glycerin -- Research, Glycerin -- Physiological aspects, Glycerol -- Research, Glycerol -- Physiological aspects, Plant proteins -- Research, Moss -- Research, Plant physiology -- Research, Biological sciences, Science and technology
Published
2005

47. Protein thiolation in plants

Author

Minorsky, Peter V.

Subjects
Plant genetics -- Research, Polypeptides -- Research, Biological sciences, Science and technology
Published
2005

49. Auxin transport and leaf venation patterns

Author

Minorsky, Peter V.

Subjects
Phanerogams -- Physiological aspects, Foliage plants -- Physiological aspects, Plant hormones, Auxin, Biological sciences, Science and technology
Published
2005

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