Planting first Brassica rapa seedlings
Three weeks before the start of the experiments we were transferring the seedlings to pots.
![](http://www.ninafatouros.nl/wp-content/uploads/2017/01/IMG_2932.jpg)
Mating the butterflies to obtain egg-laying females
Is this a male or a female?
![](http://www.ninafatouros.nl/wp-content/uploads/2017/02/IMG_2996-225x300.jpg)
Egg-laying maschines
Female cabbage whites did a quick job by laying 3 single eggs on one leave within a minute.
![](http://www.ninafatouros.nl/wp-content/uploads/2017/01/IMG_0036.jpg)
![](http://www.ninafatouros.nl/wp-content/uploads/2017/01/IMG_0038.jpg)
Collecting leaf material for RNA extraction and qPCR analysis
Sampling leaf disks below and next to the egg.
![](http://www.ninafatouros.nl/wp-content/uploads/2017/01/IMG_0041.jpg)