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in wildland situations.Areas to be sprayed should be equipping the aircraft with the correct spray system and by <br /> premapped,and the onboard computer spray system should spraying under optimal environmental conditions.Moderate <br /> be preprogrammed to apply herbicide only on defined temperatures(60 to 80 OF),high relative humidity(65 to 90 <br /> treatment areas.Swaths should be overlapped to prevent percent),and light winds(3 to 7 mph)are ideal to maximize <br /> streaking whereby plants are left untreated or slightly herbicide activity.Late summer(August through September) <br /> damaged. is usually the best time to spray saltcellar by aircraft.Plants <br /> to be sprayed should be in a healthy state with full foliage <br /> For aerial applications,the spray volume should be sufficiently high to insure maximum spray coverage.Spray that has not been stressed by drought,damaged by hail,or is <br /> beginning to turn yellow late in the season. <br /> nozzles should be fitted to deliver moderate to large sized <br /> droplets ranging from 450 to 1,200 µm.As indicated by <br /> table 3,a spray mixture may include 2 quarts of imazapyr Control Strategies <br /> or a 1.5 quart imazapyr plus 1.5 quart glyphosate mixture <br /> Numerous research and practical integrated approaches have <br /> applied in water.A nonionic surfactant(0.25 percent by been developed to manage saltcedar.Successful long-term <br /> volume)and a drift control agent(0.07 percent by volume) management programs(typically more than 5 years)usually <br /> should be added to the mixture.For optimum plant control, include a combination of mechanical,fire,and chemical <br /> an aerial application should leave the entire saltcedar control methods.A combination of methods is particularly <br /> canopy glistening with spray liquid long after spraying <br /> necessary if the primary objective is to achieve long-term <br /> has occurred.This can partially be accomplished by native plant stability. <br /> Table 3. Herbicide Recommendations <br /> Common Product product individual Plant Time of <br /> Chemical ample' Example Rate Treatment(IPT) Application Remarks <br /> Name per Acre <br /> Triclopyr Garlon 4 NA 50:50 mixture of triclopyr Anytime For cut stump treatment,apply to fresh <br /> ester and crop oil with a blue cut stump within 15 minutes of cutting. <br /> indicator dye <br /> Imazapyr Arsenal 2 quart I percent mixture for Late summer to For IPT,spray to wet all foliage <br /> foliage spray(I gallon per early fall when especially the terminal ends of branches. <br /> 100 gallons of water with plants are taking For aerial broadcast spraying,add 0.25 <br /> 0.25 percent surfactant and up nutrients percent nonionic surfactant.Use a high <br /> a blue indicator dye) —plants should spray volume; 15 gallons per acre total <br /> be healthy and <br /> solution when applied by helicopter. <br /> not stressed. Allow two full growing seasons before <br /> followup treatment. <br /> Imazapyr+ Arsenal+ 1.5 quarts+1.5 1/2 to I gallon+1/2 to Sartre as Same as imazapyr. <br /> glyphosate Rodeo quarts 1 gallon (1 to 2 pounds imazapyr. <br /> +2 to 4 pounds per 100 <br /> gallons of water with 0.25 <br /> percent surfactant and a <br /> blue indicator dye) <br /> Trade names for products are provided for example purposes only,and other products with the same active ingredient(s)may be available.Individual <br /> product labels should be examined for specific information and appropriate use with salteedar. <br /> 6 <br />