Vol. 16—1962 - NorthEastern Weed Science Society

Vol. 16—1962 - NorthEastern Weed Science Society Vol. 16—1962 - NorthEastern Weed Science Society

08.06.2015 Views

366 Table 2•. The' effectsot,~a~tormulat1lOn. of t-butyl . d!t-n-propylthie!clWbamate CR~l9S6·):(at· four pounds pel/acre on. WEled.control and flo~ean inJury •. Clark soybeans~larited andfor~at1ons applied Treatment June 5. Weed control and crop i3.l'Jj\t1'Y' ra't1ngs made .... - JUly 13 and. AUgust 20, 1961. *. ',- . G%'8ssea' weeds jJ . .Bl'oadlea~ed l.,) .... __ Crop rnJury2 '38 Days after Application 76 38 . 76 38 76 r- .' R-1856, E.C. U3 3.0 0.0 r4, 2,.0 0.0 R-1856, lOG u 2.5 0.0 I 2,.0 0.0 EAP4030 5 U 4.0 0.0 I 2.0 '0.0" EAP4031 6 U 9.8 10.0 I 9.2 :1.0.0 0.0 0.0 0.0 0.0' 0.0 0.0 3.0 1.0 * Average ot two replicat1~. 1 Based onsaale 0 to 10; 0 .,no. effect, 10 .'~tand/vigor neduced 100%. l' 2 Based on seale' 0 tv 10;. ·0 ... ndeft:ect, 10 • complete kill. 3 u = treatment unincorporated. 4 I = treatment incorporated into adil immediately after application. 5 R-1856 dissolved in a select hydrocarbon fraction above and containing a slow-breaking emulsifier system. 6 R-1856 dissolved in a select hydrocarbon fraction above and containing a fast-breaking emulsifier system. , ./. ~ • I "; ~

Table 3. The effects of several formul~1ons of EPTCon weed control and ,strawberry inJury. Jerseybelle strawberries set April 12. F~ulations applied April 28. Weed Ratings made Jane 9. Data on rooting of runners obtained July 1, 1961.* 367 WeedControl l c£up In,1ury Treatment Rate, Broad";' Grassy St~2 Vigor 3 Rooting lb./A leaved weeds of weeds runners EPTC, ,E.C. 3 6.5 8.1 0.0 2.9 Slight delay 6 1.2 9.4 0.0 2.7 Slight delay EPTC, 5G g 8.2 9.8 0.0 2.1 Normal 9.0 10.0 0.0 3.2 Slight delay EAP4001 4 3 8.5 9.4 0.:0 1.3 Normal EAP4002 5 3 9.0 9.4 O.p 0.1 Normal * Average of four replications. 1 Based on scale 0 to 10j 0 no effect, 10 stand and/or ' vigor reduced 100%. 2 Based on scale a to 10j 0 = no effect', 10 stand reduced 100%. 3 Based on scale a to 10j 0 = no effect, 10 = complete kill, 4 EPTC,dissolved in a select hydrocarbon.traction above C18 and containing a slow~breaking emulsitier system. 5 EPTCdissolved in a select hydrocarbon fraction above C18' and containing a fast~breaking emulslt~er system. /'

Table 3. The effects of several formul~1ons of EPTCon<br />

weed control and ,strawberry inJury. Jerseybelle<br />

strawberries set April 12. F~ulations applied<br />

April 28. <strong>Weed</strong> Ratings made Jane 9. Data on<br />

rooting of runners obtained July 1, 1961.*<br />

367<br />

<strong>Weed</strong>Control l c£up In,1ury<br />

Treatment Rate, Broad";' Grassy St~2 Vigor 3 Rooting<br />

lb./A leaved weeds of<br />

weeds<br />

runners<br />

EPTC, ,E.C. 3 6.5 8.1 0.0 2.9 Slight<br />

delay<br />

6 1.2 9.4 0.0 2.7 Slight<br />

delay<br />

EPTC, 5G g 8.2 9.8 0.0 2.1 Normal<br />

9.0 10.0 0.0 3.2 Slight<br />

delay<br />

EAP4001 4 3 8.5 9.4 0.:0 1.3 Normal<br />

EAP4002 5 3 9.0 9.4 O.p 0.1 Normal<br />

* Average of four replications.<br />

1 Based on scale 0 to 10j 0 no effect, 10 stand and/or '<br />

vigor reduced 100%.<br />

2 Based on scale a to 10j 0 = no effect', 10 stand reduced<br />

100%.<br />

3 Based on scale a to 10j 0 = no effect, 10 = complete kill,<br />

4 EPTC,dissolved in a select hydrocarbon.traction above C18<br />

and containing a slow~breaking emulsitier system.<br />

5 EPTCdissolved in a select hydrocarbon fraction above C18'<br />

and containing a fast~breaking emulslt~er system.<br />

/'

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