Afhandling ved University of Natural Resources and Applied Life Sciences, Vienna, Institute for Horticulture, Fruit and Viticulture
 I 2004 præsenterede Dr. Heidrun Schinagl fra "University of Natural Resources and Applied Life Sciences i Vienna, Institute for Horticulture, Fruit and Viticulture" hendes afhandling om "Investigations of the influence of plant-strengthening agents on the growth, yield and quality of horticultural crops." 
												
																		
						 						
						
						 Mere 
										 GRANDER® Danmark
GRANDER® Danmark 