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Vol. 51—1997 - NorthEastern Weed Science Society

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Table 1: Visual injury ratings taken September 14, 1996,on plants treated April 5, 1996. Injury was rated on a scale of 1 to 10, where 'I'<br />

indicates no injury, and '10' indicates the plant was dead. Numbers in parentheses indicate the number of stems treated.<br />

reduct<br />

Treatment mixture lb aelnl Average Green Ash Black Che<br />

V/V) ( uun- __nnn __nu_n n unu_lnJury (treat,<br />

glyphosatef 10 0.3 8.9 (116) 8.8 (32) 8.8 (12) - - - - 8.1 (20) 9.2 (39)<br />

QwikWet M 399 45<br />

water 45<br />

glyphosate 25<br />

WetM-399 37.5<br />

water 37.5<br />

glyphosate 50<br />

QwikWetM-399 25<br />

water 25<br />

glyphosate 10<br />

Thinvert 90<br />

glyphosate 25<br />

Thinvert 75<br />

glyphosate 50<br />

Thinvert 50<br />

triclopyr2' 5<br />

crop oil concentrate 2<br />

water 93<br />

triclopyr 5<br />

imazapyrJ/ 0.5<br />

crop oil concentrate 2<br />

water 92.5<br />

glyphosate 10<br />

imazapyr 1<br />

QwikWetM-399 44.5<br />

water 44.5<br />

0.75<br />

1.5<br />

0.3 4.4 (40) 7.9 (8) 3.7 (18) - - -- 2.3 (11) 10.0 (1)<br />

0.75 6.3 (30) 10.0 (4) 4.9 (9) .. -- 6.3 (16) 6.0 (1)<br />

1.5 7.6 (43) 10.0 (6) 7.7 (13) 6.0 (12) 7.8 (11) 10.0 (1)<br />

0.2 5.2 (21) 6.8 (4) 4.9 (8) - - -- 4.9 (8) 5.0 (1)<br />

0.2 6.1 (37) 8.9 (14) 3.4 (9) 2.0 (1) 4.4 (7) 5.8 (6)<br />

0.01<br />

0.3<br />

0.02<br />

8.9 (110)<br />

9.6 (84)<br />

7.9 (76)<br />

9.3 (61)<br />

9.4 (56)<br />

9.8 (8)<br />

10.0 (21)<br />

9.3 (20) 5.7 (15)<br />

8.7 (14)<br />

10.0 (4)<br />

8.3 (23)<br />

9.4 (18)<br />

10.0 (3)<br />

7.4 (14)<br />

~<br />

"" U'l<br />

11Accord, isopropylamine salt of glyphosate, 3 lb ae/gal, Monsanto. St, Louis. MO.<br />

21Garlon 4. butoxyethyl ester of triclopyr. 4lb 001gal. DowBanco, Indianapolis. IN.<br />

lL§~~er,isopropylaIllill~salt of imazapyr, 2lb ae/gal, American Cyanamid, Princeton. NJ.

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