Table 1 Impact of certain bio-agents singly and concomitantly on plant growth parameters of sugar beet var. Negma infected with Meloidogyne spp. under field conditions
Treatments | *Plant growth response | Shoot Dry wt. (g) | Inc.% | Root Diam. | No. of leaves | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Length (cm) | Plant fresh wt. (g) | Inc. % Total plant fresh wt. | |||||||||
Shoot | Inc.% | Root | Inc.% | Shoot | Root | ||||||
NS | 44.0f | 10.6 | 40.3f | 0.0 | 340.0i | 1050.0i | 39.0 | 150.0f | 200.0 | 13.75h | 17.0j |
HS | 45.7cd | 14.8 | 42.0e | 4.2 | 480.0f | 1500.0d | 98.0 | 200.0d | 300.0 | 15.3e | 27.0f |
BA | 40.4gh | 1.5 | 40.8f | 1.2 | 380.0h | 1200.0g | 58.0 | 90.0h | 80.0 | 14.63fg | 25.0g |
DSBC | 40.6gh | 2.0 | 40.5f | 0.5 | 320.0k | 990.0k | 31.0 | 80.0i | 60.0 | 11.5j | 20.0i |
O | 41.0g | 3.0 | 42.0f | 4.2 | 400.0g | 1000.0j | 40.0 | 100.0g | 100.0 | 14.25g | 23.0h |
NS + HS | 46.4c | 16.6 | 44.5c | 10.4 | 500.0c | 2500.0c | 200.0 | 250.0c | 400.0 | 16.75c | 35.0c |
NS + BA | 45.2de | 13.6 | 42.5de | 5.5 | 493.0d | 1350.0e | 84.3 | 150.0f | 200.0 | 15.88d | 32.0d |
NS + DSBC | 44.5ef | 11.8 | 41.8e | 3.7 | 480.0f | 1100.0h | 58.0 | 100.0g | 100.0 | 15.0ef | 29.0e |
NS + O | 45.0de | 13.1 | 43.3d | 7.4 | 490.0e | 1250.0f | 74.0 | 170.0e | 240.0 | 15.25e | 30.0e |
NS + HS + BA | 47.6b | 19.6 | 45.8b | 13.6 | 520.0b | 3600.0b | 312.0 | 300.0b | 500.0 | 18.88b | 37.0b |
NS + HS + BA + DSBC + O | 58.8a | 47.7 | 47.6a | 18.1 | 660.0a | 4200.0a | 386.0 | 350.0a | 600.0 | 19.5 a | 46.0 a |
DSBL | 40.0h | 0.5 | 40.5f | 0.5 | 338.0j | 1000.0j | 33.8 | 100.0g | 100.0 | 13.0i | 25.0g |
Untreated plants | 39.8h | 0.0 | 40.3f | 0.0 | 237.5l | 762.5l | 0.0 | 50.0j | 0.0 | 12.75i | 17.0j |