51³Ô¹ÏÍø

Title "'Wonder drugs' come to aid of agriculture" superimposed over close panning shot of pieces of fruit / shot from moving vehicle of desolate farmland / sign on side of road saying "For sale by owner 560 acre ranch" / gate in fence of deserted farm / two shots of branches lying on ground of dead pear trees destroyed by fire blight / CU hand pulling brittle leaves of dead branch / CU dead pears on branch / close shot of hand of man sticking pencil into dead pear on branch / shot of exterior of USDA lab in Marysville, CA / words on door saying "Tree fruit disease laboratory" / plant pathologist John C. Dunegan looking through microscope at dead fruit tree branch / CU hand cutting diseased apple in half with knife next to healthy apple / pear tree orchard in Marysville / two shots of Dunegan pouring mixture of terramycin and streptomycin into spraying machine / three shots of farmer driving tractor pulling spraying machine spraying orchard with mixture / Dunegan looking at healthy pear tree branches / Dunegan looking at healthy pears on branch / CU healthy pears in bin / grocer handing healthy pear to boy at market / CU boy eating pear / Note: exact day not known