Theory of Plant Breeding 



1822. He became a priest in the Konigin Kloster at 

 Alt Brunn, and in the garden of this cloister carried 

 out those careful tests which are now universally 

 recognised as of the first importance. He became 

 abbot of his monastery and died in i884. n 



These experiments were published in 1866 and were 

 never seriously noticed by anybody until 1900 ! * 



He selected two races of peas, one with yellow and 

 one with green seed, and crossed them, with the results 

 shown in the diagram. All the hybrids in the first 

 generation were yellow. 



Yellow x Green. 



All Yellow. 



I Pure Yellow. 2 Impure Yellow. I Green 



Pure i Pure 2 Impure i Green. Green. 



Yellow. Yellow. Yellow. 



Pure Pure Pure 2 Impure Green. Green. Green. 



Yellow. Yellow. Yellow. Yellow. 



The proportions in the second generation are, as 



* A translation of his original paper has been published and is still worth 

 reading, for it is considered a classic. 10 



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