54
El IMTA y el control biológico de maleza acuática en distritos de riego del país. (Experiencias desde 1990)
Cuadro 16. Registros del lirio acuático e insectos. Dique Hilda.
Fecha
Día
Neoquetinos
Lirio
Insectos
liberados
Densidad de insectos
(cantidad/planta)
Hojas/
planta
Peciolo
3a hoja
Hoja (cm)
Marcas en
hojas
Densidad de
plantas
Plantas
(cantidad)
Adultos Larvas Pupas (cantidad)
(cm)
Ancho Largo (cantidad)
(plantas/m
2
)
(kg/m
2
)
17-may-95 1
508
0.00009
12.00
44.00
50.50
60.60
09-ago-96 450
2.95
2.95 0.00
7.90
41.35
9.92
11.68
298.34
37.00
29.07
24-nov-96 557
1.90
1.50 0.00
5.80
34.00
7.70
9.95
116.10
50.50
22.77
09-dic-96 572
1.25
1.65 0.00
6.05
28..85
10.76
10.51
52.75
45.72
19.19
27-dic-96 590
0.80
1.90 0.00
7.50
29.80
9.95
9.30
66.80
52.50
22.31
12-ene-97 606
0.70
2.10 0.00
6.40
32.60
10.15
10.00
28.50
49.50
19.80
28-ene-97 622
0.40
1.80 0.00
5.95
17.20
10.20
7.55
23.60
104.00
41.60
17-feb-97 642
0.50
1.85 0.05
5.45
15.32
8.54
7.04
24.45
80.50
19.81
04-mar-97 657
0.65
1.10 0.00
6.80
19.85
9.30
7.87
25.45
56.50
25.42
19-mar-97 672
0.67
1.05 0.05
7.50
22.04
8.31
6.92
43.15
89.50
38.98
05-abr-97 689
1.70
1.05 0.10
6.30
18.45
7.95
6.40
44.35
93.00
32.78
18-abr-97 702
1.80
1.90 0.10
7.70
25.70
9.65
8.85
68.40
69.00
42.78
03-may-97 717
1.95
1.35 0.20
7.50
23.35
7.89
7.29
51.35
64.50
30.15
18-may-97 732
1.90
1.10 0.30
6.80
27.40
8.90
8.90
60.20
71.00
46.15
12-jun-97 757
2.45
3.00 0.90
5.75
34.33
10.30
10.20
83.10
68.00
37.50
10-jul-97 785
3.60
0.80 0.40
4.90
39.90
9.30
11.20
138.60
56.00
26.88
28-jul-97 803
6.95
1.00 0.00
5.65
42.20
9.33
11.50
190.75
56.50
26.18
13-ago-97 819
4.60
0.90 0.00
6.30
41.10
11.05
13.35
240.20
52.00
33.80
28-ago-97 834
4.80
1.70 0.00
6.30
39.90
10.35
12.10
207.70
54.00
31.32
11-sep-97 848
1.90
0.20 0.00
4.00
36.90
9.08
10.70
240.80
57.00
23.94
17-oct-97 884
7.00
1.90 0.40
6.60
37.70
10.10
11.05
197.20
51.00
27.03
11-nov-97 909
3.30
1.50 0.40
6.70
34.70
9.32
9.53
86.00
49.00
23.03
27-nov-97 925
3.60
1.80 0.20
6.10
26.70
9.41
9.87
94.00
47.00
24.44
12-dic-97 940
1.40
2.50 0.60
6.50
20.05
9.48
8.74
44.30
42.00
0.00
29-dic-97 957
1.50
1.50 0.60
7.00
35.00