-4- 



pondweed, small pondweed, and sago pondweed early in the growing season will rid 

 the water of these aquatic plant pests for most of the summer. Repeated applica- 

 tions of herbicides may be required for the season- long control of leafy pondweed. 

 Apparently, the aquatic plants can infest bodies of water throughout the growing 

 season. 



HOMEOWNER PEST PROBLEMS 



Insects 



Ticks are annoying campers, picnickers, and others. Use a repellent on socks, 

 pants, cuffs, and exposed parts of the body. When entering wooded or grassy tick- 

 infested areas, DEET (diethyltoluamide) is one of the best tick repellents. 



To control ticks in the home yard, spray the grass, shrubs, and flowers with 

 diazinon, malathion, or carbaryl (Sevin) . Do not apply diazinon to ferns or 

 hibiscus, malathion to cannaert red cedar, or carbaryl to Boston ivy. 



Ants, water bugs, crickets, and other insects that commonly invade the home can 

 be effectively controlled at this time of the year with a foundation treatment of 

 2-percent chlordane. Purchase chlordane as an emulsion concentrate and mix with 

 water to the proper strength (1 pint of 45-percent chlordane in 3 gallons of water 

 gives a 2-percent solution). Spray the foundation to the point of runoff plus two 

 or three inches of soil adjacent to the foundation wall. Also, spray cracks or 

 expansion joints along porches and steps and along walk edges. In homes with crawl 

 spaces, treat the inside wall of the foundation plus any supporting pillars. Do 

 not spray on shrubbery or flowers, because the oil may burn the foliage. 



Three gallons of finished spray should be adequate for the average house. With 

 this control of insects on the outside of the home, the use of insecticides inside 

 the home will be greatly reduced. 



Aphids are already appearing on roses, hawthorne trees, and other shrubs. These 

 soft-bodied, wingless insects usually suck the sap from new terminal leaves 

 causing them to curl back. If aphids are present, spray with either diazinon or 

 malathion. Mix with water according to directions on the label. This treatment 

 will also control mealybugs, if present. 



Plant Diseases 



Powdery mildew is just beginning to appear in Kentucky bluegrass lawns, especially 

 Merion bluegrass lawns. The disease appears first in the shaded areas under trees 

 and shrubs, and on the east and north side of buildings. The fungicides Karathane 

 and Parnon give excellent control when applications are begun as soon as the 

 disease is seen. 



Damage from Helminthosporium leaf spot in Kentucky bluegrass is very apparent in 

 some lawns in southern and central Illinois. This disease is checked by hot, dry 

 weather. Fungicide applications should be continued during wet, cooler weather. 

 Phaltan, Dyrene, Daconil 2787, Maneb, or Actidione are suggested. 



Weeds 



Ground ivy or creeping charlie seems to be causing more and more problems as a weed 

 in home lawns. This plant, often brought in as a ground cover, escapes from the 

 original beds and becomes a serious lawn weed. 



