Journal of Tropical Forest Science 20(2): 82–90 (2008)
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Journal of Tropical Forest Science 20(2): 82–90 (2008)
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Journal of Tropical Forest Science 20(2): 82–90 (2008) 86
Soil Age Shoot height Root length Shoot diameter Root diameter Collar diameter Lateral root Needle/leaf treatment (months) (cm) (cm) (mm) (mm) (mm) no. no. C. deodara T1 6 7.00 ± 0.62 14.77 ± 1.25 0.86 ± 0.04 0.54 ± 0.04 1.49 ± 0.04 15.33 ± 0.27 154.00 ± 5.79 12 17.17 ± 2.14 28.00 ± 1.41 2.22 ± 0.05 1.50 ± 0.03 3.70 ± 0.04 34.00 ± 2.83 392.67 ± 3.54 T2 6 11.30 ± 0.46 15.27 ± 0.53 0.94 ± 0.04 0.72 ± 0.04 1.54 ± 0.06 21.67 ± 0.98 443.00 ± 2.87 12 29.33 ± 1.16 31.33 ± 0.98 2.50 ± 0.02 2.00 ± 0.03 5.00 ± 0.01 34.30 ± 0.98 1071.00 ± 9.27 T3 6 10.80 ± 0.41 10.10 ± 0.78 0.86 ± 0.04 0.53 ± 0.06 1.37 ± 0.08 9.67 ± 0.98 370.67 ± 5.26 12 32.50 ± 0.62 34.33 ± 0.72 3.50 ± 0.06 2.20 ± 0.02 5.20 ± 0.03 28.00 ± 1.89 1220.67 ± 8.65 T4 6 10.70 ± 0.36 11.43 ± 0.44 0.84 ± 0.03 0.49 ± 0.07 1.36 ± 0.07 21.67 ± 1.44 379.67 ± 2.88 12 35.03 ± 2.02 36.33 ± 0.59 3.80 ± 0.03 2.40 ± 0.02 5.40 ± 0.04 47.70 ± 1.19 1242.33 ± 6.44 LSD (p = 0.05)
6 1.90 3.25 0.16 0.21 0.27 4.04 17.60 12 6.43 3.91 0.16 0.09 0.11 14.67 29.26 Q. semecarpifolia T1 6 10.03 ± 0.26 13.97 ± 2.28 1.40 ± 0.04 3.67 ± 0.11 2.01 ± 0.03 3.67 ± 1.66 5.00 ± 0.47 12 13.10 ± 1.48 19.20 ± 1.19 1.61 ± 0.05 3.80 ± 0.34 2.47 ± 0.09 6.00 ± 1.70 8.00 ± 0.47 T2 6 16.67 ± 1.46 19.87 ± 1.86 1.36 ± 0.08 2.15 ± 0.56 2.26 ± 0.15 19.67 ± 0.98 4.00 ± 0.47 12 19.90 ± 2.32 20.67 ± 1.11 2.30 ± 0.46 5.22 ± 1.26 2.91 ± 0.53 21.33 ± 4.91 10.00 ± 0.94 T3 6 12.60 ± 0.25 25.70 ± 1.93 1.59 ± 0.21 1.69 ± 0.38 2.02 ± 0.11 17.33 ± 7.14 3.33 ± 0.72 12 24.80 ± 1.68 27.20 ± 1.61 2.33 ± 0.12 5.61 ± 0.36 3.70 ± 0.55 21.67 ± 4.28 12.00 ± 0.94 T4 6 12.10 ± 0.48 15.33 ± 1.66 1.46 ± 0.18 3.36 ± 1.29 2.21 ± 0.10 8.67 ± 1.19 5.33 ± 0.27 12 30.86 ± 1.78 22.40 ± 0.36 2.89 ± 0.34 4.82 ± 1.06 3.94 ± 0.21 24.67 ± 5.19 13.33 ± 0.72 LSD (p = 0.05) 6 3.16 7.77 0.58 2.93 0.42 14.97 2.03 12 7.36 4.64 1.18 3.44 1.57 16.97 3.16 T1 = control, T2 = pure rhizosphere soil, T3 = rhizosphere soil (1 part) placed over 9 parts of non-forest soil as top layer, T4 = rhizosphere soil uniformly mixed with forest soil (1:9) All values are averages of three replicates ± SE.
T able 1 Ef fects of soil tr eatment on selected gr owth parameters in C. deodara and Q. semecarpifolia after 6 and 12 months of seed sowing
C. deodaraQ. semecarpifolia Soil treatment Age (months)Shoot (g) Main root Lateral root Needle (g) Shoot (g) Main root (g) Lateral root Fine root ± SE (g) ± SE (g) ± SE ± SE ± SE ± SE (g) ± SE (g) ± SE T1 6 0.23 ± 0.01 0.17 ± 0.02 0.41 ± 0.003 0.90 ± 0.06 0.13 ± 0.01 0.95 ± 0.23 0.08 ± 0.04 0.01 ± 0.003 0.23 ± 0.04 12 0.64 ± 0.01 0.32 ± 0.01 1.15 ± 0.01 2.21 ± 0.01 0.23 ± 0.01 0.98 ± 0.05 0.19 ± 0.003 0.02 ± 0.003 0.50 ± 0.09 T2 6 0.88 ± 0.02 0.20 ± 0.01 1.40 ± 0.07 2.29 ± 0.04 0.44 ± 0.18 2.29 ± 0.70 0.13 ± 0.03 0.03 ± 0.01 0.23 ± 0.03 12 2.21 ± 0.08 0.63 ± 0.01 2.57 ± 0.23 7.08 ± 0.04 0.48 ± 0.02 2.41 ± 0.48 0.16 ± 0.01 0.04 ± 0.01 1.11 ± 0.21 T3 6 0.79 ± 0.07 0.12 ± 0.01 1.32 ± 0.03 1.80 ± 0.05 0.39 ± 0.003 2.78 ± 0.44 0.17 ± 0.07 0.07 ± 0.01 0.16 ± 0.04 12 2.53 ± 0.01 1.10 ± 0.001 4.26 ± 0.07 7.61 ± 0.03 0.66 ± 0.13 3.23 ± 0.38 0.21 ± 0.01 0.07 ± 0.05 1.65 ± 0.06 T4 6 0.80 ± 0.03 0.16 ± 0.002 1.61 ± 0.12 1.53 ± 0.05 0.23 ± 0.05 2.13 ± 0.03 0.08 ± 0.03 0.01 ± 0.004 0.34 ± 0.003 12 2.73 ± 0.10 0.75 ± 0.04 6.26 ± 0.07 7.12 ± 0.10 1.14 ± 0.28 2.54 ± 0.29 0.24 ± 0.01 0.04 ± 0.02 2.26 ± 0.51 LSD (p = 0.05) 6 0.15 0.05 0.29 0.25 1.04 1.71 0.16 0.02 12 0.25 0.08 0.51 0.21 0.60 1.36 0.02 0.30 T1 = control, T2 = pure rhizosphere soil, T3 = rhizosphere soil (1 part) placed over 9 parts of non-forest soil as top layer, T4 = rhizosphere soil uniformly mixed with forest soil (1:9) All values are averages of three replicates ± SE.
T able 2 Ef fects of soil tr eatment on biomass (dr y matter yield) of 6- and 12-month-old seedlings of C. deodara and Q. semecarpifolia
Journal of Tropical Forest Science 20(2): 82–90 (2008) 88
Colony forming units (× 104 cells/g soil)
Soil treatment C. deodara Q. semecarpifolia
Bacteria Fungi Actinomycete Bacteria Fungi Actinomycete
T1 7.51 ± 3.24 1.64 ± 0.89 11.18 ± 0.82 6.13 ± 1.53 2.47 ± 0.61 2.26 ± 0.78
T2 31.87 ± 6.01 2.75 ± 0.34 23.02 ± 5.23 22.94 ± 3.19 3.15 ± 0.45 2.46 ± 0.60
T3 15.27 ± 1.47 3.95 ± 0.29 26.98 ± 2.41 5.68 ± 0.58 5.16 ± 0.70 5.15 ± 1.10
T4 27.29 ± 4.86 3.99 ± 0.32 32.07 ± 2.35 11.08 ± 1.52 6.19 ± 0.31 5.41 ± 1.12
LSD (p=0.05) 17.00 2.08 12.52 7.77 2.15 3.69
T1 = control, T2 = pure rhizosphere soil, T3 = rhizosphere soil (1 part) placed over 9 parts of non-forest soil as top layer, T4 = rhizosphere soil uniformly mixed with forest soil (1:9)
All values are averages of three replicates ± SE.
