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Agricultural botany
lecture 1,2,3
Question | Answer |
---|---|
Photoperiodism | response of plant to change in day length |
phytochrome c | chemical which changes in response to daylength |
endogenous | internal environment of plant |
etiolation | absence of light |
High levels of uv light | dwarfs plants |
PAR | phyotosynthetically active radiation |
WUE | Water use efficiency |
LEDs advantages include | no heat produced, last longer, cheaper, any spectrum of light can be produced |
Turgor pressor | pressure of water inside in cells |
viscosity of water is affected by temperature | as temperature drops so does viscosity. consequences of this are leaf scorch in plants as water is lost faster than it is replaced |
systematics | the study of diversification of living organisms and their relatioships |
classification refers to | how plants are related |
taxonomy | the arrangement of plants into groups according to similarities |
phylogeny | how plants have evolved and developed |
spermatophyta are divided into | gymnosperms and angiosperms |
angiosperms are divided into | monocots and dicots |
Poaceae | grasses |
Fabaceae | legumes |
Liliaceae | bulbs |
Asteraceae | daisy like flowers |
Solanaceae | nightshade family( potato, tomato) |
Brassicaceae | Brassicas |
Rosaceae | Rose |
Apiaceae | Parsley |
Linnaeus | developed the system for naming organisms |