California Agriculture, May 1947 Volume 1, Number 6 Control of
peach twig borer under continuing study by Stanley F. Bailey Not
available – first paragraph follows: In the past year or two
many new chemicals have entered the field of insecticides but
the majority of them are not useful in the control of the peach
twig borer. Extra irrigation is extra expense in prune
production by A. H. Hendrickson , F. J. Veihmeyer Not available
– first paragraph follows: There exists a general idea, that if
maintaining moisture in an orchard readily available to the
trees at all times is good, the addition of more water to keep
the soil moisture relatively high is better. DDT dust with
sulfur is treatment recommended for summer control of greenhouse
thrips on avocados by Walter Ebeling Not available – first
paragraph follows: During the past few years the greenhouse
thrips, Heliothrips haemorrhoidalis, has become the most serious
of the avocado pests, especially in the areas of greatest
concentration of the avocado industry