1.PLANT STRESS RESPONSE2. STRESS Manifold unfavourable, but not necessarily immediately lethal conditions, occurring either permanently or sporadically in a locality Significant…
1. IMBIBITION, DIFFUSION, OSMOSIS AND PERMEABILITYLecture 1 A 2. Imbibition, Diffusion and Osmosis•The movement of materials into and out of the cells in plants takes place…
1. Alkaline and Saline Soils Why do some soils become saline? •Precipitation is less than potential evapotranspiration •Cations released from mineral weathering accumulate…
1. Soil Alkalinity and salinity 2. Definition • • Alkaline soils are soils (mostly clay soils) with a high pH (> 9) and a poor • soil structure and a low infiltration…
1. Mark Slater & Mike Gosney Development of a Hydroponics System to Impose Osmotic Stress on Arabidopsis Plants 2. Goal -Optimize the design of the hydroponic system…
Slide 1 MEMBRANE PERMEABILITY Slide 2 PERMEABILITY The membrane must allow water molecules to diffuse through. It is permeable to water. If a concentrated solution is separated…
Slide 1 Plant Growth and Development II "It is at the edge of a petal that love awaits.”...William Carlos Williams Slide 2 Patterns of Development Zygote Embryo Cotyledons…
Slide 1 1 Where were we? The physical properties of porous media The three phases Basic parameter set (porosity, density) Where are we going today? Hydrostatics…