Effects of different seed size on growth rate of plants?

[pohpohtanchen]

I'm conducting an experiment to investigate whether different seed size of Mung beans have any effect on growth rate of it. I've actually conducted the experiment already by planting and measuring the dry mass of Mung beans over a period of 7 days. I was wondering whether in theory, would it have any effect on the growth rate? And from the dry mass obtained, how do you calculate the growth rate from there?

Thanks in advance!

[MelissaB]

It sounds as if you need to do some more background research in order to form your hypothesis. I would suggest looking on google and wikipedia (at least to start) for information on what exactly a seed is, what it needs to grow, and how plants grow. Once you have that information, you should be able to answer your own question .

I am a little confused about your procedure. How are you measuring dry mass? Why did you only give the experiment 7 days? I would think that it would take 2-4 weeks to get seedlings. I would suggest measuring the height of the plants in addition to measuring the dry mass. Regardless, growth rate is just the amount of growth divided by the time. So, if you had dry mass on day 0 and dry mass on day 7, you would subtract the mass on day 0 from the mass on day 7 to get the amount of grown in that time; you would then divide by the total amount of time (7 days). So, for example, if you had 1 g on day 0 and 8 g on day 7, you would get (8-1)/7, or 1 g of growth per day.