'Night length' presentation slideshows

Plant Development

Plant Development. Chapter 31 Part 2. 31.4 Adjusting the Direction and Rates of Growth. Tropisms Plants adjust the direction and rate of growth in response to environmental stimuli such as gravity, light, contact, and mechanical stress Hormones are typically part of this effect.

786 views • 47 slides

THE CONTROL OF FLOWERING

THE CONTROL OF FLOWERING. HOW DO PLANTS KEEP TRACK OF THE SEASONS?. PLANTS FLOWER AT DIFFERENT TIMES OF THE YEAR. WHICH ENVIRONMENTAL SIGNALS CONTROL FLOWERING?. HOW DO ENVIRONMENTAL SIGNALS BRING ABOUT THE TRANSITION TO FLOWERING?. FLOWERING IN ARABIDOPSIS. (B).

2.29k views • 44 slides

Tree Breeding Tools

644 views • 38 slides

Chapter 39

Chapter 39. Plant Responses. I. Plant hormones. Chemical signals that coordinate different parts of an organism . Tropism = Any response resulting in curvature of organs toward or away from a stimulus. What part of a grass coleoptile senses light, and how is the signal transmitted?.

557 views • 37 slides

Photomorphogenesis: 1) phytochrome-mediated development

Photomorphogenesis: 1) phytochrome-mediated development phytochromes - absorb red and far-red light (appear blue) may: trigger seed germination cause deetiolation of seedlings inhibit flowering. deetiolation : characteristics of etiolated seedlings events during deetiolation.

808 views • 37 slides