2.3B Translocation experiments Flashcards
1
Q
name the 4 translocation experiments
A
- puncture experiments
- ringing experiments
- radioactive tracer experiments
- aphid stylet experiments
2
Q
explain puncture experiments
A
if phloem is punctured, sap oozes out = high pressure inside phloem
3
Q
explain ringing experiments
A
phloem can be removed by cutting a ring in a stem. There is a swelling above ring after a week.
4
Q
explain aphid stylet experiments
A
aphids have stylets which penetrate phloem and collects sap
