. Bulletin of the Department of Agriculture. Agriculture. THE RED SPIDER ON THE AVOCADO. 15 RECOMMENDATIONS. The presence of the avocado red spider on tlie trees in considerable numbers while the folia<2:e is still green should be a suflicient indica- tion of impending injury to cause the grower to begin immediate application of control measures. The grower should not wait until the foliage attacked becomes noticeably brown prematurely and begins to drop. During the winter after the fruit has been picked use tiie liquid lime-sulphur 1 to 60. When the temperature is above the normal and
. Bulletin of the Department of Agriculture. Agriculture. THE RED SPIDER ON THE AVOCADO. 15 RECOMMENDATIONS. The presence of the avocado red spider on tlie trees in considerable numbers while the folia<2:e is still green should be a suflicient indica- tion of impending injury to cause the grower to begin immediate application of control measures. The grower should not wait until the foliage attacked becomes noticeably brown prematurely and begins to drop. During the winter after the fruit has been picked use tiie liquid lime-sulphur 1 to 60. When the temperature is above the normal and the trees do not attain a thoroughly dormant condition the liquid liuu'-sulpliur should be reduced to 1 to I'k;. 11. -Sprayill- iu an avocado ^love with spray gun, uain'j; tln' Ion- (ii>taiicc spray. If the red spiders are present while the fruit is still unpicked in the fall, 40 per cent nicotine sulphate 1 to 900, with the addition of 2 or 3 pounds of fish-oil soap to each 100 gallons of the diluted spray, will give temporary relief and will not discolor the fruit. Thorough application is a most essential point in combating the red spider.—If haphazard work is performed and much of the foliage left unsprayed, such infested foliage serves as a source of reinfcstation to the tree, and the mites will be more in evidence after application than when thorough work has been Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.
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