Sarhan,, A., El- Maadawy, E., Surour, S. (2007). EFFECT OF BIOPROMOTORS AND BIOFERTILIZERS APPLICATION ON GROWTH AND CHEMICAL COMPOSITION OF JOJOBA PLANTS. Journal of Plant Production, 32(8), 6695-6718. doi: 10.21608/jpp.2007.220238
A. Z. Sarhan,; Effat I. El- Maadawy; S. S. Surour. "EFFECT OF BIOPROMOTORS AND BIOFERTILIZERS APPLICATION ON GROWTH AND CHEMICAL COMPOSITION OF JOJOBA PLANTS". Journal of Plant Production, 32, 8, 2007, 6695-6718. doi: 10.21608/jpp.2007.220238
Sarhan,, A., El- Maadawy, E., Surour, S. (2007). 'EFFECT OF BIOPROMOTORS AND BIOFERTILIZERS APPLICATION ON GROWTH AND CHEMICAL COMPOSITION OF JOJOBA PLANTS', Journal of Plant Production, 32(8), pp. 6695-6718. doi: 10.21608/jpp.2007.220238
Sarhan,, A., El- Maadawy, E., Surour, S. EFFECT OF BIOPROMOTORS AND BIOFERTILIZERS APPLICATION ON GROWTH AND CHEMICAL COMPOSITION OF JOJOBA PLANTS. Journal of Plant Production, 2007; 32(8): 6695-6718. doi: 10.21608/jpp.2007.220238
EFFECT OF BIOPROMOTORS AND BIOFERTILIZERS APPLICATION ON GROWTH AND CHEMICAL COMPOSITION OF JOJOBA PLANTS
1Ornamental Horticulture Dept. Fac. Of Agric., Cairo Univ., Giza, Egypt.
2Ministry of Social Solidarity, Cairo, Egypt.
Abstract
A pot experiment was established during two successive seasons to evaluate the effect of biopromotor which is commercial product known as Biomagic (0,5,7.5,10g/l)and bacterial inoculation with Azotobacter, Bacillus and their mixture on the growth and chemical composition of jojoba (Simmondisa chinensis (Link) Schneider)plant. Experimental results indicated that, all applied treatments significantly increased vegetative growth prameters compared with control treatment. The highest values were always obtained from sprayingt plant with the high rate of Biomagic (10g/l) and inoculation with mixture of Azotobacter and Bacillus. The highest values of pigments were always obtained from spraying plant with the medium rate of Biomagic (7.5g/l) and inoculation with Azotobacter . The highest total carbohydrates in leaves, shoots and roots were recorded with spraying Biomaic at (10g/l) presence of mixture of Azotobacter, and Bacillus . The effect of Biomagic application and bacterial inoculation on leaves, shoots and roots content of mineral element was significantly increased compared with control treatment.
Spraying Biomagic at high concentration (10g/l) plus inoculation with Azotobacter caused a high accumulation of N,K, Cu and Mn in jojoba leaves, shoots and roots followed by high concentration of Biomagic and inoculation with mixture of Azotobacter, and Bacillus . Using (10g/l) Biomagic and inoculation with Bacillus promoted a higher accumulation of elements P, Fe and Zn on jojoba tissues followed by the same concentration of Biomagic and dual inoculum.
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