Vol. 15—1961 - NorthEastern Weed Science Society

Vol. 15—1961 - NorthEastern Weed Science Society Vol. 15—1961 - NorthEastern Weed Science Society

08.06.2015 Views

?16. TABLEI. EFFECT OF HERBICIDESONWEEDGtlOWTH AT MID-JUNE CUTTINGPEllIOD Weed Controll l Predom. Species Rate I-Poor to . Ranked G • GrasB Active '-Excellent Weed Index!1 WeedControL!I B = Br~&dle8f !e!b~~d~ .}es.!l!:.-_,_6L916Q~_ _ -:-__ §/!/!O r: §/!3169.~ 6.(.9L69. _ Simatsine 5.00· ; 9.0, .02 l_So! 0 Atrasine 5.00 , ' 8 1lS ' .20 1.02 . B· .8!-l· Sima.ine 3.75 8.8 .00 0 Atrasine 3.75 8.0 .83 .28_J I G Monoron . 3.20 8.0 .28 .21 I C EPTC 6.00 7.0 1.56 .12 B "1 -, B Manuron 2.40 8.0 .61 .06 G . ,~~ . Atrasine 2.50 1.0 '3.28 - J .32 I l G .. ... '!'"'A q .. " I IPt'C " ,.It.:.(¥)' 6.S 3.71 .52. . .. .. ., , '''' - . ---_.­ .< . Monuron 1.60 6.3 ' ;'~. } " "... 5.43 .66, , G " EM'C ' 2.00 4.5 8.21 -1.12 IG ..~--- ......~ Check 1.0 18.75 -1.63 B';G I,,"' . , , ... - :~. 7. ~ .- - .......... "... - - - - ~ - - ... - - - - - - - ....- - - - ~. - - - -. ~..':--t:;" - ­ !/'~':: n~rmal gro_hi 7 •. commercial cOiltrol; 9 = complete' kill.: ,-;1:/.Percent weed.coyer x heisht(~.):lOO =We.d Index. seed' Lit. Cit. (6) • ., ., : • y 4/ Means included in brackets are not significantly different at the 5% level (Dun.can·,t,.)", Mult1,ple. Range Test. See Lit. Clt~: (2h'" . t,' -.' ';~ . ~ :' '< ' , ' • t J.

-- ,,"I. ,'~; "... TABLEII. EFFECTOF HERBICIDESONWEEDGROWTH ANDYIELDOF ASPARAGUS AT ENDOF .:- HARVESTPERIOD . 217. Weed control!1 Predom. Species Rate I-Poor to G : Grass Yield Active 9-Excellent Weed Index~/ Weed Controll 1 B 8 Broadlea£ Market- Herbicide Lbe./A. 7/1/60 7/1/60 7/5/60 1/5/60 ab1e-Lbs. ------------------------------------------- Simazine 5,,00 8.3 1.34 1.6~l G 12.8 " Simaz1ne 3.75, 7.8 2.46 .89 G 14.0 "'-' Atrazine 5.00 7.3 9.49 .59 G 12.9 -I : Mon\l,ron 3.20 5.5 14.15 .31 i G 13.2 Ept8!D 6.00 3.5 37.59 .18 I/G 12.9 Atrazine 3.75, 4.5 18..85 .16 I I G 12.4 Eptam 4.00 3.5 41.35 I/G 13.5 '?!_J Monufon 2.40 5.0 19.83 -.11 G 11.9 - ·~·--I Eptam 2.00 2.0 50.14 - .71 !/G 11.6 AtraZine 2.50 2.8 37.82 G 10.4 Honuron 1.60 2.0 41.75 - .89 G 11.5 'I • Cheek 1 00 62.25 -1.63 ,-BIG 11.4 ------------------------------------------ --~-----------.~-.-~-~-------~~---~-~------- 1/ 1. = normal growth; 7 8:c011liner~iii control; 9 8 comple:e k~l1. ~/ Percent weed cover x height (cma.):lOO : Weed Indexe :See Lit. Cit. (6). 1/ Exp~essed as "Rsnk1ts". See Lit. Cit. (3,7). ~/ Means included in brackets are not significantly differ.n~ ~t the S~ level (Duncan's Multiple Range Test). See Lit. Cit. (2). . N.S•

?16.<br />

TABLEI.<br />

EFFECT OF HERBICIDESONWEEDGtlOWTH<br />

AT MID-JUNE CUTTINGPEllIOD<br />

<strong>Weed</strong> Controll l<br />

Predom. Species<br />

Rate I-Poor to . Ranked G • GrasB<br />

Active '-Excellent <strong>Weed</strong> Index!1 <strong>Weed</strong>ControL!I B = Br~&dle8f<br />

!e!b~~d~ .}es.!l!:.-_,_6L916Q~_ _ -:-__ §/!/!O r: §/!3169.~ 6.(.9L69. _<br />

Simatsine 5.00· ; 9.0, .02 l_So! 0<br />

Atrasine 5.00<br />

,<br />

' 8 1lS ' .20 1.02 . B·<br />

.8!-l·<br />

Sima.ine 3.75 8.8 .00 0<br />

Atrasine 3.75 8.0 .83 .28_J I G<br />

Monoron . 3.20 8.0 .28 .21<br />

I<br />

C<br />

EPTC 6.00 7.0 1.56 .12 B<br />

"1<br />

-,<br />

B<br />

Manuron 2.40 8.0 .61 .06 G<br />

. ,~~ .<br />

Atrasine 2.50 1.0 '3.28 -<br />

J<br />

.32 I l G<br />

..<br />

... '!'"'A q ..<br />

" I<br />

IPt'C " ,.It.:.(¥)' 6.S 3.71 .52. . ..<br />

.. .,<br />

, '''' - .<br />

---_.­<br />

.< .<br />

Monuron 1.60 6.3<br />

'<br />

;'~. }<br />

" "... 5.43 .66, , G<br />

"<br />

EM'C ' 2.00 4.5 8.21 -1.12 IG<br />

..~--- ......~<br />

Check 1.0 18.75 -1.63 B';G<br />

I,,"' . , ,<br />

... - :~. 7. ~ .- - .......... "... - - - - ~ - - ... - - - - - - - ....- - - - ~. - - - -. ~..':--t:;" - ­<br />

!/'~':: n~rmal gro_hi 7 •. commercial cOiltrol; 9 = complete' kill.:<br />

,-;1:/.Percent weed.coyer x heisht(~.):lOO =We.d Index. seed' Lit. Cit. (6) •<br />

.,<br />

.,<br />

: • y<br />

4/ Means included in brackets are not significantly different at the 5% level<br />

(Dun.can·,t,.)", Mult1,ple. Range Test. See Lit. Clt~: (2h'"<br />

. t,' -.' ';~ .<br />

~ :'<br />

'< '<br />

, '<br />

• t J.

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