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Several flowering plants use the pigment phytocrome to sense seasonal changes in ... Cactus spp. Rosaceae Buds. Poppy. Cannnabis. Peyote. Long Day Plants ...
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Photoperiodism, Gravitropism, and Thigmotropism AP Biology Unit 5 Photoperiodism How a plant responds (with respect to flowering) to the relative amount of light ...
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Molecular interactions that shape the plant circadian oscillator ... Hd1 = Heading-date1, rice ortholog of CO. Hd3a = Heading-date 3a, rice ortholog of FT ...
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... Events of Germination Auxin and Phototropism Auxin Mechanism Photoperiodic Control of Flowering Phytochrome and Photoperiodism Pfr and Flowering ...
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SWBAT differentiate between positive and negative tropisms; describe phototropism and gravitropism; give an example of photoperiodism in plants; discuss nastic ...
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Environmental Requirements for Good Plant Growth Photoperiodism short day plants chrysanthemum and Christmas Cactus bloom when days are short and nights are long ...
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Thigmotropism This plant responds to touch by wilting. What advantage may this be to the plant? Photoperiodism - Some plants respond to the amount of daylight ...
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... Circadian Clock Photoperiodism 1 2 2 3 3 Germination, flowering, bud setting, tuberization, leaf senescence, juvenile to adult transition External factors: ...
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Photoperiodism flowering times, Long-day plants, night breaks induce flowering. Short-day plants, night breaks inhibit flowering.
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... (24 hour periodicity) Photoperiodism (phytochromes) Short-day plant: light period shorter than a critical length to flower (flower in late summer, ...
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Photoperiodism Some plants can accurately measure the length of light and darkness to within minutes so they will flower at precisely the right time of year.
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Title: Concept Map Author: Jeff Young Last modified by: Jeff Young Created Date: 12/1/2003 8:28:31 PM Document presentation format: On-screen Show Company
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graph of the magnitude of a biological response to light, as a ... FR. light. Phytochrome. photoreceptor molecule. Quantity, Time, Quality. Phytochrome Location ...
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the ability of the plant to respond to different lengths of light treatment ... Chenopodium alba 'lamb's quarter' Bud Dormancy. Wareing (1950's) Fagus beech tree ...
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Annual cycles Cuculiformes Cuckoos, roadrunners, and anis 1 family, Cuculidae 138 species Worldwide Pied Cuckoo (from India)
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The art and practice of planning and making plans for the layout and planting of gardens and landscapes is known as garden design. https://www.share.net/SameerShah889372/principles-of-garden-design garden landscaper, garden designer, garden landscape architecture
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erf: ethylene response factor. no transcription. Light is used by plants as a signal, as well as an energy source, ... Explain the importance of auxin in plants. ...
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Diurnal and circadian rhythms Eva Farre
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... meristem and is found in young leaves and in flowers and fruits ... or flower to drop ... require a specific sequence of day lengths in order to flower ...
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Introduction to Plants (cont) Angiosperms are the most dominant phylum . Angiosperms, or flowering plants, produce seeds enclosed inside fruits. Angiosperm comes from ...
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REGULATION OF PLANT GROWTH The external factors affecting plant growth are: light temperature humidity oxygen carbon dioxide soil water ...
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Plant Responses and Adaptations Chapter 25: Biology II Plant Hormones Chemical substances that control: A plant s patterns of growth and development A plant s ...
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Title: Lecture #17 Date _____ Author: Chris Hilvert Last modified by: s.moser Created Date: 2/12/2001 3:39:05 PM Document presentation format
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Lecture Date _____ ... germination of seed and bud; stem elongation; leaf growth ... growth/development of roots, leaves, and flowers; senescence Daily and ...
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AP Biology Chapter 39 Plant Responses to Internal and External Signals Plant hormones Hormone: chemical signals that coordinate parts of an organism; produced in one ...
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Getting started A. pot immediately after arrival to eliminate stress B. provide shade to reduce heat and light ... space between plants so light ...
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Plant Hormones & Tropisms Abscisic acid (ABA) Incorrectly named, not related to abscission, slows plant growth Important in drought stress and other stresses Causes ...
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Chapter 39 Plant Responses to Internal and External Signals * * * Figure 39.17 Inquiry: How does the order of red and far-red illumination affect seed germination?
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Ch. 39 Warm-Up Elaborate on the ... Signals Experiments with Light and the coleoptile Excised tip placed on agar block Growth-promoting chemical diffuses into agar ...
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Raven, Figure 26.10. Day Length Throughout North America. Fosket, Table 9.5 ... Raven, Figure 26.12. Daylength Effects on Flowering. Short day. Long Day ...
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Lesson 1 Examining Parts of a Flower Student Learning Objectives 1. Describe the parts of a flower. 2. Identify the reproductive structures of plants that exist in ...
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Photoperiod & Circadian Rhythms Eva Farre 3. 3. 3. Sawa et al., 2005 ZTL family of proteins are blue light receptors * Anticipate daily and seasonal environmental ...
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Plant Hormones Plant tropisms Growth in a particular direction in response to an external stimulus Early experiments Canary grass coleoptiles Classes Hormones Five ...
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Plant Reproductive Physiology Stimulus transferred Cut off all leaves after expose to photoperiod inhibit flowering Cut off all leaves 20 -36hrs later promote ...
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Plants are able to detect the time of the year or seasons by using the ... floral organs activate and form the organs (sepal, petals, stamens and carpels) ...
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Chapter 25 Plant Responses and Adaptations. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * What is a tropism? Tropism ~ a response of a plant to an ...
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All imperfect flowers are incomplete ... stops and then flowering occurs. Indeterminate - elongation growth continues so flowers continue to develop ...
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dormancy during winter. flowering at appropriate times ... Seed dormancy = mechanism to protect seed from germinating during unfavorable conditions ...
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Control Systems in Plants Ch. 39 A grass seedling growing towards light
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Plant Responses to Internal & External Signals
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... Pathways A hormone binds to receptor and stimulates secondary messengers which Activates cell responses Plant Movements Phototropism Gravitropism Thigmotropism ...
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Chapter 38 Angiosperm Reproduction Angiosperms have 3 unique Features: Flowers Fruits Double Fertilization (by 2 sperm) REPRODUCTIVE VARIATIONS Pollination: transfer ...
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Ethylene:regulates fruit ripening and flowering, responds to stress ... Vernalization (cold induction of flowering) Stratification (cold induction of germination) ...
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Abscisic Acid Slows or inhibits plant growth.
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6CO2 6H2O ---Light--- C6H12O6 6O2. Respiration ... Shasta Daisy. Spinach. Sugar Beets. Radish. Potted Chrysanthemum. Poinsettia. Shasta Daisy ...
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Plant Responses AP Biology Chapter 39
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Help needed for the Art & Science Day at the Chester Street Elementary school 110 Chester St, Kingston
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Plant Growth and Development SBI3U Plant growth regulators (PGRs) plant hormones that affect the rate of division, elongation and differentiation of plant cells ...
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1 High cytokinin/auxin ratios favor the formation of shoots. 2 Low cytokinin/auxin ratios favor the formation of roots. Senescence ...
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Plant Hormones Ch. 39 I. Plant Hormones- A compound produced by one part of the plant Hormones- A compound produced in one area of an organism and has an affect on an ...
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Title: video Author: BCP User Last modified by: Sally Created Date: 7/11/2002 5:04:39 PM Document presentation format: On-screen Show (4:3) Company
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Title: 5 Author: b Last modified by: User Created Date: 3/9/2004 6:22:20 AM Document presentation format
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Horticulture - Unit 4 Environmental Requirements for Good Plant Growth The Plant Environment In order to grow properly, plants require a certain environment.
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... the seedling to bend because one side is growing faster than the other. ... c, Strawberries depend on auxin produced by their developing seeds for expansion ...
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Chapter 39 Plant Responses to External and Internal Signals
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Plant Response to Stimuli Stimuli and a Stationary Life Plants, being rooted to the ground Must respond to whatever environmental change comes their way For example ...
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