N-source
Parameter
Totalcount ×10
9
Total Sporex10
9
Protein (µg/ml)
LC
50
(ng/ml)
Final Ph
Strain EMCC1931
(NH
4
)
2
SO
4
1.40
1.3
0
0
6.6
NaNO
3
1.90
1.80
0
0
6.5
NH
4
Cl
2.30
1.99
0
0
6.4
Beef extract
3.97
2.80
653
4.2
8.5
Peptone
2.56
2.30
448
30
8.5
Yeast extract
2.78
2.5
499
15
8.3
Beef / peptone
2.70
2.40
467
22
7.9
Beef / yeast extract
2.81
2.6
508
10
7.9
Peptone / yeast extract
2.17
2.13
340
36
8.3
Control
2.92
2.69
630
5.0
8.5
Strain EMCC1932
(NH
4
)
2
SO
4
1.40
1.32
0
0
7.0
NaNO
3
1.80
1.70
0
0
7.2
NH
4
Cl
2.70
2.50
0
0
6.9
Beef extract
3.92
3.81
600
5.0
8.6
Peptone
2.42
2.24
332
33
8.5
Yeast extract
2.57
2.6
438
25
8.3
Beef / peptone
2.43
2.46
392
29
8.4
Beef / yeast extract
2.88
2.79
452
21
9.0
Peptone / yeast extract
1.95
1.79
298
45
8.9
Strain 1593
(NH
4
)
2
SO
4
2.50
2.30
0
0
6.9
NaNO
3
3.31
3.20
0
0
6.8
NH
4
Cl
3.70
3.60
0
0
6.4
Beef extract
3.62
3.40
576
10
8.6
Peptone
2.02
2.00
427
34
8.5
Yeast extract
2.50
2.30
439
21
8.3
Beef / peptone
2.15
2.71
438
26
8.1
Beef / yeast extract
2.80
2.10
510
17
9.0
Peptone / yeast extract
1.69
1.67
276
49
8.9
Control
2.90
2.80
540
13
8.6
Strain 2297
(NH
4
)
2
SO
4
2.1
1.9
0
0
6.9
NaNO
3
2.5
2.3
0
0
6.8
NH
4
Cl
2.7
2.6
0
0
6.9
Beef extract
2.8
2.7
588
9.2
8.6
Peptone
2.4
2.2
394
39
8.5
Yeast extract
2.5
2.4
410
30
8.2
Beef / peptone
2.4
2.3
401
35
8.2
Beef / yeast extract
2.7
2.61
447
24
8.8
Peptone / yeast extract
1.87
1.85
315
42
8.2
Control
2.79
2.69
570
11
8.6
LSD
0.01
2.18
1.89
Table 6:
Effect of nitrogen sources on the growth, sporulation, protein yields and mosquitocidal activities of local and reference strains of
B. sphaericus.
