Advancement and practical applications of rhizobacterial biofertilizers for sustainable crop production in sub-Saharan Africa

Aloo, B. N.; Mbega, E. R.; Tumuhairwe, J. B.; Makumba, B. A.

doi:10.1186/s40066-021-00333-6

Agriculture & Food Security

Table 1 Examples of studies documenting plant growth-promoting rhizobacteria in Africa

From: Advancement and practical applications of rhizobacterial biofertilizers for sustainable crop production in sub-Saharan Africa

Crop	PGPR	PGP effects	Place of study	References
Common Beans	Rhizobium	285% increase in Fe, 67% increase in Zn	Tanzania	[17]
	Rhizobium spp.	Increased shoot dry weight and nodule weight	Kenya	[18]
	Rhizobium spp.	Increased uptake of nutrients	Tanzania	[19]
	Rhizobium spp.	Improved yields	South Africa	[20]
	Rhizobium	Increased seed yields over control	Kenya	[21]
	Rhizobia	Significant yield increase	Ghana, Kenya, Tanzania, Uganda	[22]
Chickpea	Rhizobium	Up to 138% increase in yield	Ethiopia	[23]
Cowpea	Rhizobia	Increased yields	Kenya	[24]
Cowpea	Bradyrhizobium	Improved nodulation, dry matter, and grain yield	Ghana	[25]
Flax	Azospirillum, Azotobacter	50% reduction in fertilizer use	Egypt	[26]
Flax	Bacillus	Enhanced productivity	Egypt	[27]
Maize	Paenibacillus alvei, B. safensis, B. pumilus, Lysinibacillus sphaericus	33% yield increments	South Africa	[28]
	Azotobacter, Azospirillum	100% reduction in fertilizer use	Egypt	[27]
	Pseudomonas, Klebsiella oxytoca, Enterobacter sakazakii	Increased agronomic characteristics	Nigeria, Kenya	[29]
Mung bean	Bradyrhizobium	Increased nitrogen fixation and yields	Ethiopia	[30]
Okra	P. aeruginosa	Improved growth	Nigeria	[31]
Okra	Azospirillum, Azotobacter	100% reduction in fertilizer use	Egypt	[32]
Potato	Serratia, Citrobacter, Serratia	Enhanced nutrient levels in tubers and rhizosphere soils	Kenya	[33]
Rice	Azolla pinnata, A. nilotica, A. filiculoides, A. caroliniana	Increased yield and soil N content	Nigeria, South Africa, Ivory Coast, Togo, Senegal, and Kenya	[34]
Soybean	Rhizobium	Increased yield by 447 kg ha⁻¹	Nigeria	[35]
	Bradyrhizobium japonicum	Increased yield and micronutrient uptake	Tanzania	[17]
	Rhizobium	Up to 47% increase in yields	Several countries	[36]
	Rhizobium	15–30% increase in yields	Kenya	[37]
	Bradyrhizobium	24% increase in yields	Ghana	[25]
	Bradyrhizobium	Significant increase in dry weight of shoot and grain yield	Kenya	[38]
	Rhizobium	Increased nutrients content in soil	Tanzania	[39]
	Rhizobium	Increased yields	Several countries	[40]
	Rhizobia	Significant yield increase	Ghana, Kenya, Tanzania, Uganda	[22]
Sweet fennel	Rhizobium	Enhanced productivity	Egypt	[41]
Tomato	Bacillus subtilis, Pseudomonas aeruginosa, Klebsiella pneumonia, Citrobacter youngae	Enhanced seedling height, leaf area, number of leaves	Nigeria	[42]
Tomato	P. aeruginosa	Improved growth	Nigeria	[31]

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ISSN: 2048-7010

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