does moisture on the leaf greatly affect results?
Project Guidance
Anne Stanton
Jun 2015
Hi, I'm beginning to use Photosynq on wheat to measure phi2 and SPAD. I went out this morning to collect data in a farmer's field and it was extremely damp so I'm now wondering about the effects of moisture on the readings that I've collected. Anyone out there with experience regarding this? Thanks.
Greg Austic
Jun 2015
Hey Anne - sorry for the delay here, just catching up.
Yes, the circuit board is pretty exposed and water could leak in. So far I have not had this happen, and I'm not a particularly careful measurer :)
So... I'd say:
- If there's beads of water, wipe them off
- If there's a water sheen or the leaf is just wetted a little, no big deal
- If at any time you see water building up on the device that's noticeable, try to wipe it off