EFFECT OF NEMATOCIDE TREATMENTS ON VIGOR AND STING NEMATODE
COUNTS IN TIFTON "57" BERMUDAGRASS TREATED ON JUNE 6, 1963.


 Rate VigOr 1 Sting Nematodes
a.i./iOob sq. ft. 1 3 6 1 3 6
 mo. mo. mo. mo. mo. mo.


 1.
 2.
 3.
 4.
 5.
 6.
 7.
 8.
 9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.


Bayer 25141 10% gr.
Bayer 25141 10% gr.
Bayer 25141 10% gr
Bayer 25141 2#/gal.
Bayer 25141 2/gal.
Bayer 25141 2#/gal.
Bayer 25141 2#/gal.
DBCP 70%
DBCP 700
DECP 17.5% gr.
DBCP 17.5% gr.
sD 7727 W#/gal.
SD 7727 4#/gal.
SD 7727 10% gr.
SD 7727 10% gr.
Zinophos 41/gal.
Zinophos 4,/gal.
Zinophos 4#/gal.
VC-13
VC-13
VC-13 5% gr.
VC-13 5% gr.
Check


1/ 0-5 for dead to very vigorous.
2/ Actual numbers of sting nematode


per 100 ml. soil.


TABLE 14.


- 


 0,04
 0,08
 o.i6


 408 iIbl
 .16 lbs,
 .32 lbs.
 2 lbs.
 3 Ibs.
 2 lbs.
 3 Ibs.
 0.3 lbs.
 0.5 lbs.
 0.4 lbs.
 0.8 lbs.
0.04 Ibs.
0.08 Ibs.
0.16 Ibs.
1/3 gal.
2/3 gal.
13.2. bs.
26.4 Ibs.
--


3.0 3.0
3.5 3.3
3.5 3.3
3.3 3:3
2i8 3.o
2.8 3.0
2.3 3.0
2.8 3.0
2.5 3.0
2.5 2.6
2.8 3.0
2.3 2.6
3.3 2.6
1.5 1.6
2.3 2.0
2.8 3.0
3.5 3.6
2.8 3.6
2.0 2.3
2.5 2.6
2.3 2.3
3.5 3.0
2.3 2.6


3.3
3.6
3.6
3.6
3.0
3t3
3.3
3.3
3.3
3.0
3.0
2.6
2.6
2.0
2.3
3.6
3.6
3.6
2.6
2.6
3.0
3.0
2.6


; ::


 3
 1
 2
 3
 0
 3
 0
17
31
36
27
31
42
21
46
1
3
1
27
39
38
51
46