Phenotype and Environment Interaction. Chad Bonstead Denise Fancher Julie Kondoff Matt Luensmann. What is a Genotype?. “internally coded, inheritable information” Coded language, “blueprint” Cannot be observed Codes for protein synthesis. Phenotype is…. “outward physical manifestation”
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Phenotype and Environment Interaction
Plant growth is vitally dependent on temperature.
Plant growth is dependent on water.
< 4.5 = extremely acidic (lemon)
4.5 - 5.0 = very strongly acidic (tomato)
5.1 - 5.5 = strongly acidic (carrot)
5.6 - 6.0 = moderately acidic (potato)
6.1 - 6.5 = slightly acidic (milk)
6.6 - 7.3 = neutral (saliva)
7.4 - 7.8 = slightly alkaline (eggs)
7.9 - 8.4 = moderately alkaline (sea water)
8.5 - 9.0 = strongly alkaline (borax)
9.1+ = very strongly alkaline (ammonia)
Effects of Soil pH on Plants
Solubility of minerals and nutrients, especially aluminum.
Most nutrients are more soluble in acidic soils.
Special case: Phosphorous
The presence and availability of these minerals determines several plant characteristics.
Neutral soils produce white blooms on Hydrangeas
What’s Being Done and
Where Do We Go From Here?
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