Study of the normal functioning of plants and plant cells

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72 views

How is photosynthesis observed?

How is photosynthesis observed? Say I have plants A and B, and I want to find how fast they are able to turn carbon dioxide into oxygen. How would I experiment this? Say I have one plant A, which ...
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1answer
18 views

Among xerophyte plants, which one grow faster and consume water the least?

In an effort to select for the most suitable plants to possibly colonise desert and stop its expansion, what would be the xerophyte plants that grow the faster and expand on surface, while using the ...
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28 views

Biological age of grafted plants

Suppose you graft a piece of an existing 'old' plant. Will it continue to grow having the same biological age as its parent? I.e., would it die at the same time as its parent? Or would the process of ...
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31 views

How does Pothos grow in only water?

The popular potted plant, Pothos aureus (or Epipremnum aureum) is happy to grow in a jar, with only water, for years. How is this possible when other plants need at least Nitrogen, Phosphorus and ...
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114 views

Is there a standard definition for plant “maturity”?

Is there a species-agnostic metric for identifying plant maturity? There seems to be plenty of literature defining life-history stages for specific crops, but it is not clear if there is a generic ...
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27 views

Rosemary room temperature at winter

I consistently read in non-scientific resources that I have to put my rosemary to low temperature (about 10°C) in winter (unless I don't want it to freeze). I googled, but I fail to find a scientific ...
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19 views

How many cells are there in an apical meristem?

How many cells are there in the apical meristematic tissue? Looking at this picture... I would tend to think that there are few hundreds (maybe only a hundred) cells in the meristem tissue. But I ...
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26 views

Can Galactose be synthesized with photosynthesis?

I know that galactose can be found in sugar beets and some gums so I thought plants could synthesize galactose but in my book the answer to the question "Which of these can be synthesized with ...
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41 views

Embryo activity during seed dormancy?

What metabolic processes does a dormant embryo in a seed carry out? The newly produced seed will not germinate, either because of a lack of favourable conditions, seed hibernation, or because of a ...
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Given a microscopic image of a plant, is it possible to determine its age?

Given a microscopic image (let's assume a standard brightfield image) of a plant, is it possible to determine its age?
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13 views

Potential evapotranspiration constant for trees in the area of London

I am trying to find the ET0 (Potential evapotranspiration) under the climate conditions of London (UK) and Coimbra (Portugal) for each month. From what I understand these data is available in the ...
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35 views

Can a tree survive if someone cuts all buds?

My thought was to cut all buds of a deciduous tree at spring and see if it can survive a year and develop new buds and leaves next spring. Assuming the tree is already grown and not a sapling. If the ...
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29 views

water stress expression markers in arabidopsis thaliana

So far I found papers that show studies using RNA arrays on whom they categorized water stress gene markers in root. Water stresses were reproduced by different protocols (manitol...) but always on ...
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43 views

Where can I find approximate rates of sequestration of CO₂ for different species of algae?

For a study, I want to compare the rates of CO₂ sequestration and fixation of a few different species of algae. I could not find any data on the sequestration rates. Any pointers to where I can find ...
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18 views

Why vivipary is not found in all mangrove plants?

An interesting characteristic feature of mangrove plants is vivipary or viviparous germination...but some notable members of the family like Heritiera sp.( there is even a mangrove forest named after ...
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24 views

Is it possible to simulate the effects of high altitudes for plants?

Note- I considered asking this on gardening.stackexchange.com but i believe it is better suited for this site since it deals with more complicated material. As I understand it, certain plants ...
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9 views

Fe(II) and Fe(III) transport from rhizosphere across plasmamembrane

Does the graminaceous plants have passive uptake of Fe(II) via a passive Fe(II)-transporter enzyme? Or it it only dicots and non-graminaceous plants that have the Fe(II)-transporter enzyme? Also, can ...
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27 views

what are the best candidate trees for desert reforestation projects?

The trees would be selected for their ability to withstand rough arid condition ( use less water or finding it deep, resist to high temperature ) to produce the maximum biomass and regenerate the ...
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15 views

Testing gene against resistance and susceptible cultivars

I have one gene cloned from plant fungal pathogen using pure culture. Now I want to characterized this gene using molecular methods for which I have few resistance and susceptible cultivars of the ...
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31 views

How do you amplify a specific AFLP marker?

I'm trying to clone a specific AFLP marker out of Medicago truncatula. I know the selective bases I need for the end of the primers. My problem is that all the AFLP cloning kits I have found are ...