Shot of two feet grafting on tree. CUs of "bridge grafting" operation at foot of tree. Exterior and several interior shots of workshop of entomologists studying the effect of insects on fruit trees showing men at work on experiments, of potted plants in insect cages. CUs of codling moth in various stages of evolution and its effect on leaves and fruits. HA PAN of orchard, insecticide spraying operations under way, including ground shots of insecticide spraying operation. TRAVELLING SHOT through orchard in British Columbia. Various shots of irrigation set up in British Columbia, ditches, conduits, small dikes. FOLLOW SHOT of man weeding his orchard on tractor-drawn cultivator. Shot of two men checking mulch used in orchard to control moisture. CU of iron mesh guard around trunk of apple trees to discourage mice from attacking bark. Various shots of apple blossoms, CUs of blossoms in Quebec orchard. Sequence on men thinning heavy fruit growth. Shot of cluster of apples in tree.