Table 1

Phytotoxicity of Stinger (clopyralid), Manage (MON 12051) and Basagran (bentazon) to landscape plants 3 weeks after treatment in 1992 and 1993z.

 

     1992        1993   
Herbicide lb/A JCHy JSP JCB JPN LIC CDC   JCH JSP JCB JPN CDC
Stinger (clopyralid) .125 0 0 0 0 16 0   0 0 0 0 0
Stinger (clopyralid) .25 0 0 0 0 15 0   0 0 0 0 0
Stinger (clopyralid) .50 0 0 0 0 15 0   0 0 0 0 0
Manage (MON 12051) .063 0 0 0 0 15 14   0 0 0 0 0
Manage (MON 12051) .125 0 0 0 0 14 23   0 0 0 0 0
Manage (MON 12051) .25 0 0 0 0 6 16   0 0 0 0 0
Basagran (bentazon) 1.0 0 0 0 0 15 19   0 0 0 0 0
Untreated --- 0 0 0 0 0 0   0 0 0 0 0
LSD P=0.05   ns ns ns ns 13 10   ns ns ns 12 19

 

zPhytoxicity was visually evaluated using a percent scale where 0 = no damage and 100 = dead plants. Data represent means of four single plant replicates. yJCH, Juniperus chinensis L 'Hetzi Glauca'; JSP, Juniperus chinensis L 'Parsoni'; JCB, Juniperus conierta Parl. 'Blue Pacific'; JPN, Juniperus chinensis procumbens Endl. 'Nana'; LIC, Lagerstromia indica L. 'Carolina Beauty'; CDC, Cotoneaster dammeri C.K. Schneid 'Coral Beauty'.