C34—Lancaster Farming, Saturday, February 21,1981 How to control nutsedge in LANCASTER - Nutsedge’ Nutgrass’ Call it what you like, but either way this weed spells trouble for farmers. Nutsedge is a perennial plant with an extensive underground root system of stobons and tubers, or nutlets It is a member of the sedge family, though it is often mistaken for a grass because of its narrow leaf The plant’s triangular, solid stem is one way to distinguish it from a grass Two species of nutsedge are found in the United States Yellow nutsedge, the most widespread, infests ci upland throughout the Northeast Purple nutsedge, a more per sistent vai lety, is primarily found in Texas and along the Coastal Plain Yellow nutsedge plants are yellowish-gi een in color and grow to 30 inches tall Stolons radiate from the plant, ending in tubers Tubers may then produce new plants. Stiaw-colored flowers appear within 60 days of plant emergence Purple nutsedge is similar to yellow, though plants are dark green in color, produce reddish purpose seed heads and grow to only 15 inches tall It, too, produces stolons But unlike yellow nut sedge, the purple variety produces new plants in senes, forming “tuber chains ” Both nutsedge varieties are also prolific seed producers, yielding Coal Curi is SO Automatic and Advanced... the only Control you touch is your Thermostat. The Cleaner, Safer, and Simple Trouble-Free design of COAL GUN makes it one of the best buys in residential and com mercial healing systems today. 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Nevertheless, agronomists Tuber populations can reach 30 still regard tubers as the key to million per acre in the plow layer nutsedge reproduction and the of heavily infested fields major obstacle in the weed’s Unlike weed seeds, tubers Yellow nutsedge, common throughout the Northeast, is easily identified by its yellow-green color, underground stolons and tubers, and triangular-feel of stem when rolled between one’s fingers. ESHLAND Coal Curi V [7l7] 762-0521 / LONG JOHN BALMER INSULATION 643 Penryn Rd Manheim PA 665-4132 TAKE YOUR CHOICE OF THESE 3,888 SO. FT. BUILDINGS... . ponied*"'"'"’''"' 5 ’' 1 ' 1 • 1 24 ,IS . cSwaUSW"* 00 * • 1 in 1 . |?'d Entranced* 3 00* , SPECIAL Ask About Winter Special Discounts _ On All our Other Buildings' Specializing In All Types Of | Farm and Commercial Buildings! I Ready To Serve You Throughout Penna | Maryland Delaware And New Jersey l (Name If you need any type of farm or commercial ■ building, call collect or send the coupon for more ! Addressor RD information ■ Town • Prices I, Specifications Could Vary Due To Local Building I odes | Phone (include area code) com or soybeans germinate from as deep as 12 in ches, though most plants emerge from the upper six inches of soil. University weed scientists contend that the spread of nut sedge in recent years is due partly to the unproved control of common annual grasses and broadleaf weeds in the field crops This factor, plus the trend of earlier planting and reduced tillage, they say, has opened the door for heavy nutsedge in festations all over the country It is virtually impossible to eradicate nutsedge, but using an integrated program of cultural practices, herbicides and tillage (before and after the crop is planted) will let fanners produce a profitable crop on nutsedge mfested acreage Nutsedge cannot compete ef fectively in the shade, therefore, growmg taller crops such as corn or soybeans will give farmers an edge in controlling this aggressive perennial. Narrow row spacmgs are generally recommended to provide the most shade No effective surface-applied herbicide treatments are available for controlling nutsedge in field crops. Preplant incorporated herbicides are essential so the chemical will be m close contact with the sprouting tubers Incorporation also helps destroy sprouted and dormant tubers by placing them up on the soil surface Insulation For Life Of Structure • Fully Insured • Free Estimates We Can Do The Job Now 54 x72’*ls Clear Span RED ROSE BUILDING SYSTEMS PO Box 366 Call Collect Manheim, Pa 717-665-7150 masmrn ruuuc R /| 59 . VARIET,ES 01 New * Used TrJ,l ' rs Under 20 000 Lb GVWR (for hauling utility cycle auto luggage wood small equ'pment building supplies household goods snowmobiles) Hitches Inspections Repairs Accessories Custom Work DEALERS: MGS RETAIL SALES WHITE OAK LAWN I LEISURE J? 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In corn, Sutan+ is the most popular preplant treatment for controlling nutsedge Its field proven performance over the years has made it the most widely recommended herbicide for controlling the yellow or purple variety Eradicane will also control yellow nutsedge This herbicide may be preferred over Sutan+ if other tough weeds such as ]ohn songrass or quackgrass are present in the same field Five pounds of atrazine 80-W or four quarts of the 4-L formulation may be used alone to suppress yellow nutsedge Farmers should keep in mind that atrazine residues will persist for two years, requiring corn to be planted for two consecutive years Dual and Lasso, if incorporated, also will control yellow nutsedge. Corn growers have two postemergence herbicide treat ments available for controlling yellow nutsedge Atrazine with crop oil may be applied when (Turn to Page C 35) DO IT YOURSELFERS * We Can Furnish You With A Complete Butldinf Materials Package And Blueprints Erect rt yourself and Save Labor Costs l State
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