The study of plant life; e.g. angiosperms, gymnosperms, bryophytes, pteridophytes, and algae.
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176 views
What kind of tree could this be?
This may be a strange question, but does anyone know what kind of tree this could be?
I know, it's just a comic, but these trees, at “walking distance” within that comic are easily identifiable as ...
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83 views
How would a warm winter affect maple sap production?
The past winter (2011-2012) was warmer than usual.
Trees are normally tapped in late February when the daily maximum temperature goes above freezing. However, assuming that there have been ...
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28 views
What controls leaf senescence in deciduous tree species, and how can I predict it?
If I want to predict litterfall, what data do I need to collect, and what statistical model might I use?
For example, I might use the following coding to record phenological stage every other day, or ...
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36 views
Serological assays not detecting native proteins
Is there anyone out there who has done much work with serological assays? We have antiserum for a manufactured viral protein but no luck so far getting it to detect native protein (unless today's ...
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0answers
85 views
How does a plant decide when to grow a branch?
As a plant grows, at some point the first branch forms. As it continues, branches grow new branches, and so on, in a seemingly random way. Is it random, or is it driven by the environment (heat or ...
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55 views
Are mature trees as susceptible to mutation from exposure to radiation as seedlings?
If a plant, say a ficus or a teak, as a sapling were exposed to radiation, and a tree of the same species were present at the same distance, which of the two would be more likely to mutate?
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28 views
Electron transport in granal stacks
See paper for distribution of PS-I and PS-II within grana
As explained in the above paper, the PS-I complex is primarily located within non-appressed thylakoid region and stroma lamella, while PS-II ...
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19 views
Resource plant anatomy/lifecycle vocabulary
I've been curious about a lot of vocabulary words in the world of botany. I've had quite a bit of trouble finding somewhere online to help me out, but I'm having some trouble finding a resource like ...
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39 views
Why aren't antheridia and archegonia touching?
Antheridia and archegonia are the two male and female gametangia, respectively, and they are found in bryophytes. To cause fertilization, usually a thin film of water must be present for the sperm ...
