Questions pertaining to plants.
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Are there plants that excrete poisons into their environments? [duplicate]
Plant growth is very much limited by other plants in its neighbourhood, "stealing" their potential nourishment. So are there any plants that solved this problem by killing its neighbouring plants, ...
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0answers
19 views
Relationship between biomass and net primary productivity
I want to do validation on simulated net primary productivity. But I don't have measured NPP data, Eddy covariance flux measurement data. I have only field measurement biomass data. So can I directly ...
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1answer
71 views
Why do many fruit trees have five-petaled flowers?
Peach, pear, apple, cherry, and many other fruit trees seem to have flowers comprised of five petals. Assuming there is no evolutionary advantage to confusing students of trees, is there a plausible ...
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1answer
44 views
Why does the PR form of phytochrome exist?
I know how it gets converted because PR is more stable and when there is neither red or far red light PFR naturally converts to PR. But what is the point of it? If PFR is the biologically active one ...
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1answer
31 views
Is Hypericum Perforatum (St. John's wort) a C3 or C4 plant?
I've been curious as to which photosynthetic cycle St. John's wort uses to synthesise glucose and more complex carbohydrates. I know it probably won't be the crassulacean acid metabolism (CAM) cycle ...
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1answer
108 views
Can plants get cancer?
I can't think of any reason why plants wouldn't be able to get cancer, but I've never heard of a plant growing a tumor. I've also never seen a plant with a noticeable abnormal growth. Can plants get ...
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1answer
23 views
Can Palisade Cells Survive Independently?
I have been intrigued by this question. Can palisade cells survive independently from its parent plant in a chemical environment? For example, if we were to separate a palisade cell from a plant and ...
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2answers
48 views
What chemical or biochemical agents do plants use to inhibit each other's growth?
As I just learned, allelopathy is the action by which plants regulate the growth of other nearby plants.
I have hear of ethylene is a general signal for growth and fruit ripening in particular, but ...
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1answer
45 views
Photosynthesis - Light Intensity
Say I was conducting an experiment for photosynthesis. If I moved light closer to the plant, what effect would this have on the process of photosynthesis?
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1answer
29 views
Do plant-plant interactions inhibit growth?
Plants produce lots of compounds that inhibit (kill or irritate) microorganisms and insects. They have defenses against plant viruses and infections.
What kinds of compounds or hormones to plants ...
