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Mattia Rossi
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What is your experience with growing Fast Plants?
I've grown them once or twice
Please describe yourself (in the education world). IMPORTANT NOTE: Any student MEMBER of the network MUST be over 13 years old.
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Scuola media Chiasso
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Mattia Rossi's Blog

Pollination & Making Bee Sticks

Posted on February 20, 2015 at 9:30am 2 Comments

A little curiosity

I tried to design and print in 3d an artificial bee (the prototype is still a bit to big).

This first prototype allows to insert and change (after washing the bee) a q-tips which acts as  a fuzzy thorax for the collection of pollen. Once I have a satisfactory prototype I will try it on Fastplant ! (and if possible will upload the file .stl on this platform ... )…


Who is the father?

Posted on October 6, 2014 at 2:30pm 3 Comments

This year, with 4 classes (students are 14-15 years old) we are going to try the experience "who is the father" to introduce  some of the concepts of genetics.

The students will use a laboratory notebook and the teachers  decided to not introduce concepts of mitosis, gene or allele. In this way, we would like to encourage the construction by students of original interpretative models (based on collected data ) .


In this first month we focused on…



Posted on March 29, 2013 at 1:16pm 3 Comments


I started to cultivate Brassica rapa in November 2012.

For my growing system I chose more expensive fluorescent lamps (Philips 660, 36W) instead of « traditional » cool white neon (Philips 290, 36W).

Philips 660, 36W neon cost three times more.

I wonder if this price difference is really justified by the performance of the lamp. I had the opportunity to borrow a spectrometer and to analyzed the light emitted ... what do you think ? … in addition … is it…


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At 6:19pm on March 5, 2013, Jackson Hetue said…

Hello Mattia,

My sincere apologies for the delay in responding to your inquiry. As of a few moments ago, the long-awaited results from the Artificial Selection Experiment for Height were published. Our results can be found at this link. Thank you for your inquiry!

At 4:40pm on March 4, 2013, Hedi Baxter Lauffer said…

Great pictures; thank you for sharing! Please keep us posted, and if you don't mind, I'll move our conversation to the Discussion Forum on this network because selection is a topic that interests a lot of our members. I will also keep following this thread closely so we can "talk" more as your students' investigation unfolds.

One thing we do know for sure is that selection for hairs on the leaf margin consistently delivers the results we hope for . . . we just really want to find other attributes that are interesting for selection, and that is why we are currently looking into salinity tolerance. We will keep experimenting on our end, and we love having the opportunity to talk with others doing similar investigations!


At 1:14pm on March 4, 2013, Hedi Baxter Lauffer said…

Hi Mattia, I'm not sure if my interns have posted a response to your question about our height selection experiment, but I know they are working on sharing their results with the group and writing up a conclusion to their experience.

In a nutshell, we did not find that their selection for the tallest 10% resulted in an overall taller second generation, unfortunately. We are not sure why we saw no gains, but we do know that height is a tricky trait to select for because it is so responsive to other environmental factors, starting with the relative depth at which the seeds are planted, then going on to be affected by temperature, light levels, etc.

However, we do know that Paul Williams (the "father" of Fast Plants) was able to select for short stature successfully when he developed the line of plants that has gone to space,Astroplants.  Maybe we would have had better success if we had selected for the shortest 10%!

My students will be posting data and their thoughts about the experiments this week. Please feel free to post questions and comments.

Thank you,


At 11:55am on February 24, 2013, Hedi Baxter Lauffer said…

Welcome, Mattia! Thank you for joining us online.




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