References

                 Book sources

Margulis, Lynn. 1998. Five kingdoms: An illustrated guide to the phyla of life on Earth. W.H. Freeman and Company, USA.

Rimmer, Roger S. 2007. Compendium of brassica diseases. The American Phytopathological Society, St. Paul, Minnesota, USA.

Kole, Chittaranjan. 2007. Genome mapping and molecular breeding in plants: Vegetables. Springer-Verlag Berline Heidelberg, Heidelberg, Germany.

Campbell N, Reece J, Urry L, Cain M, Wasserman S, Minorsky P, Jackson R.  2008.  Biology.  8th Edition.  Pearson Education, Inc. San Francisco, California, USA.   

Price, Hugh C. 2009. "Kohlrabi." World Book Encyclopedia volume 11. World Book, Inc., Chicago, Illinios, USA.

                                    Online Sources

 

“Growing and harvesting tips” 2005.  <http://www.diynetwork.com/diy/gt_vegetables/article/0,,diy_13867_3952115,00.html>. Accessed 5 April 2009

“Vegetarians in paradise” <http://www.vegparadise.com/highestperch24.html>. Accessed 10 April 2009

“The bug review” <http://urbanext.illinois.edu/bugreview/cabbageworm.html> Accessed 12 April 2009

Encyclopedia Brittanica <http://www.britannica.com/> Accessed 14 April 2009

“Photosynthesis” <http://biology.clc.uc.edu/Courses/bio104/photosyn.htm> Accessed 10 April 2009

Rob Nelson. Causes Wild Cabbage: Species Brassica oleracea. Untamed Science <http://www.untamedscience.com/biodiversity/plants/flowering-plants/dicotyledons/brassicales/mustards/brassica/wild-cabbage>. Accessed 9 April 2009.