Pear decline research: —Progress summary

Also in this issue:

Cytosporina dieback of apricot

Sprinkler irrigation: Of container plants

Spider mite-resistant cotton

Milo equal to barley: For full supplementation of beef cattle on irrigated pastures

Variety trials of cos or romaine lettuce in San Diego County

Strong branch structure: For Modesto Ash a simple pruning technique can insure a stronger branch structure for Modesto Ash trees

Planting date effects on cereal production for winter feed

Morphology of reproduction in guayule and certain other species of Parthenium