We strongly recommend you go online and have a look at these presentations here that UNESCO put together in an online course dedicated to the SSAF 2013 project.
The UNESCO online course on Space Seeds for Asian Future 2013
More resources
NASA - How Plants Grow in Space: The Effects of Gravity and Light
Space Seeds Return to Earth - NASA Science - Science@NASA
Images for seed grown in space
Plants Grow Fine Without Gravity - National Geographic News
NASA to Study Seeds in Space to Understand Plant Growth
Plants need light to grow in space / Delta Mission / Human ... - ESA
Fall 2007 - Seeds in Space - College of Agriculture and Life Sciences
'Space Seeds' bring bigger harvests, Chinese scientists claim ...