39 Several leading commercial companies active in pest control sales have donated field scale quantities of their products which were used in the laboratory instruction in pest control. The'Wine grape plot originally established in cooperation with the Division of Viti- culture, University of California yielded well and Cobernet Sauvig— non, probably the choicest wine grape in the plot, continued to show up at yield levels amongst the highest in the state of California. The Division of Viticulture took samples which were studied in the enological laboratory at Davis. For the first time recently a course in Citrus and Avocado pro- duction was offered at the San Luis Obispo campus. The three acre orchard of avocadoes and citrus offered excellent laboratory con- ditions. This course is for one quarter only and is designed to train deciduous fruit majors and students planning to teach agricul- ture in the fundamentals of citrus and avocado production. Those training to enter citriculture as a vocation are trained, of course, in the Citrus fruit major at Cal Poly at Voorhis Unit. In cooperation with the Soils instructors several mineral de- ficiencies in the orchard have been determined and marked responses secured by application of the deficient minerals. New pear varieties planted during the year have been established on the old Home variety which resists pear blight, a disease pre- valent in this community. A new method of Spraying with copper com- pounds has very successfully checked blight in the older trees. A new irrigation system was established consisting essentially of “in- vasion" metal pipe originating as war surplus which now permits adequate irrigation of citrus, walnuts, avocadoes vineyard and apple plantings. A power duster also was purchased during l9h8 and permits more effective instruction and pest control in orchard and vineyard.