Physical and Cultural Weed Control Working Group of - European ...

9 th EWRS Workshop on Physical and Cultural Weed Control 62
Samsun, Turkey, 28 – 30 March 2011
Table 2: Response rates of walnut on dry weight of target plants (%)
Target plants
5 10
Doses (g)
20 40
Dw -1 Dw -1 Dw -1 Dw-1
Bermuda grass 42,30 55,80 67,60 80,50
Purple nutsedge 23,10 52,40 73,40 79,00
Dw-2 Dw -2 Dw -2 Dw-2
Bermuda grass 39,40 39,40 52,20 71,20
Purple nutsedge 19,60 30,00 42,50 68,50
5 10 20 40
Bermuda grass* 40,85 47,60 59,90 76
Purple nutsedge* 21,35 41,20 57,95 74
Dw = Dry weight 1: First experiment 2: Second experiment * means: Avarages
Jimsonweed
Table 3: Effect of jimsonweed on dry weight of target plants (g)
Purple nutsedge Bermuda grass
Doz Dry weight Dry weight
0 10,23 a 9,20 a
5 8,20 a 6,00 ab
10 7,07 ab 5,20 b
20 5,63 b 4,50 b
40 4,20 b 3,33 b
LSD 3,82 3,41
0 10,23 a 9,20 a
5 * 8,80 a 6,30 ab
10 * 8,00 a 5,00 bc
20 * 4,44 b 3,20 bc
40 * 3,80 b 2,83 c
*
LSD 3,80 3,24
P ≤ 0.05: probability level
Table 4: Response rates of jimsonweed on dry weight of target plants (%)
Target plants
5 10
Doses (g)
20 40
Dw -1 Dw -1 Dw -1 Dw -1
Bermuda grass 34,80 43,50 51,10 63,80
Purple nutsedge 19,80 31,00 45,00 60,00
Dw -2 Dw -2 Dw -2 Dw -2
Bermuda grass 31,50 45,60 65,20 69,20
Purple nutsedge 14,00 22,00 55,00 62,80
5 10 20 40
Bermuda grass* 33,15 44,55 58,15 66,5
Purple nutsedge* 16,90 26,50 50,00 61,4
Dw = Dry weight 1: First experiment 2: Second experiment * means: Avarages