Nutrient deficiency symptoms are widely used to determine the nutrient demands of a crop and clarify nutritional disorders, especially when they specific. Until now, calcium (Ca), magnesium (Mg) boron (B) experiment has not been carried out on feijoa, diagnostic have described. For this reason, 9-months-old ‘Quimba’ feijoa plants were studied using missing method. A modified Hoagland Arnon solu...

Suppression subtractive hybridization was used to rapidly identify 18 gene differences between a citrus variegated chlorosis (CVC) strain and a Pierce's disease of grape (PD) strain of Xylella fastidiosa. The results were validated as being highly representative of actual differences by comparison of the completely sequenced genome of a CVC strain with that of a PD strain.