Table 4: Growth parameters of wheat (Triticum vulgare L.) plants cultured 3 weeks on phosphate-sufficient (+P) or phosphate-deficient (-P) nutrient medium. Means ± SD.

Parameters 7 days 14 days 21 days
+P -P +P -P +P -P
Shoot Fresh Weight (g) 0.22 ± 0.03 0.18 ± 0.03* 0.69 ± 0.11 0.35 ± 0.04* 1.77 ± 0.2 0.41 ± 0.06*
Roots Fresh Weigth (g) 0.13 ± 0.02 0.16 ± 0.04 0.48 ± 0.08 0.4 ± 0.05* 0.95 ± 0.2 0.47 ± 0.07*
Root/Shoot 0.59 0.89 0.69 1.14 0.54 1.15
Shoot Dry Weight (mg) 29 ± 3 23 ± 3* 85± 13 52 ± 4* 208 ± 36 69 ± 7*
Roots Dry Weigth (mg) 15 ± 1 19 ± 4* 40 ± 6 41 ± 5 83 ± 20 54 ± 6*
Shoot Height (cm) 17.9 ± 1.3 18.3 ± 1.1 33.4 ± 2.2 30.1± 2.4* 42.8 ± 1.4 30.8 ± 3.6*
Root Length (cm) 13 ± 3.8 15.3 ± 3.4 21.8 ± 4 25.9 ± 2.1* 39.7 ± 5.6 33.1 ± 4*
Root/Shoot 0.73 0.84 0.65 0.86 0.93 1.07
Mean Root Diameter (mm) 0.57 0.58 0.84 0.70 0.87 0.68

* Significantly different at 0.05