1. 01-01-2006 With limited resources for plant breeding in developing countries many of the species considered to have potential for focused and relatively rapid improvement do not receive the attention they deserve. Plant breeders have little choice other than to place their limited resources on improving...
  2. 01-01-1975 Many mites are microscopic in size, and distinguishing characters given in scientific descriptions are visible only through a high-powered, compound, phase microscope. As a result there is a great need for a non-technical publication that permits the identification of mites under grove conditions...