Table 2

Phytotoxicity of Stinger (clopyralid), Manage (MON 12051) and Basagran (bentazon) to landscape plants 6 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 1 14 0   0 0 0 3 3
Stinger (clopyralid) .25 0 0 0 0 10 0   0 0 0 0 0
Stinger (clopyralid) .50 0 0 0 0 16 0   0 0 0 3 1
Manage (MON 12051) .063 0 0 3 3 10 13   1 0 0 9 6
Manage (MON 12051) .125 0 0 5 8 11 13   1 0 0 10 8
Manage (MON 12051) .25 0 0 5 4 11 13   1 0 0 6 6
Basagran (bentazon) 1.0 0 0 0 0 34 20   0 0 0 3 6
Untreated --- 0 0 0 0 0 0   0 0 0 0 0
LSD P=0.05   1 ns ns ns 13 5   2 ns ns 7 8

 

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'.