Plant Factors Affecting Nodulation and Symbiotic Nitrogen Fixation in Legumes

Graham, Peter

doi:10.1007/978-1-4613-2747-9_4

Cited by 14 publications

(10 citation statements)

References 97 publications

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“…Factors such as soil acidity (pH lower than 5.6), waterlogging, high temperatures, soil salinity, low available phosphorus and calcium, too much nitrogen, anoxia, etc. have been reported to affect nodulation in soybean [36,37]. However, no obvious differences in nutrient content and average rainfall between these two (Kamwenge and Ngetta) and other sites were observed.…”

Section: Discussionmentioning

confidence: 79%

Genotype by environment effects on promiscuous nodulation in soybean (Glycine max L. Merrill)

et al. 2017

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Background: Understanding factors influencing the expression of a trait is key in designing a breeding program. Genotype by environment interaction has great influence on most quantitative traits. Promiscuous nodulation is a trait of importance for soybean production in Africa, because of the soil bacteria Bradyrhizobium japonicum not being indigenous in most African soils. Most soybean cultivars require B. japonicum for nodulation leading to the need for seed inoculation before sowing soybean in Africa. Few cultivars have capability to nodulate with Bradyrhizobia spp. that are different from B. japonicum and native in African soils. Such cultivars are termed "promiscuous cultivars. " Field experiments were conducted in six locations in Uganda for two seasons, to investigate the extent of environmental influences on the nodulation ability of promiscuous soybean genotypes. Results:Additive main effect and multiplicative interaction effects showed highly significant environment and genotype by environment (G × E) interaction effects on all nodulation traits. G × E interaction contributed more to the total variation than genotypes. The genotypes Kabanyolo I and WonderSoya were the most stable for nodules' dry weight (NDW), which is the nodulation trait the most correlated with grain yield. Genotype UG5 was the most stable for nodules' number (NN), and Nam II for nodules' effectiveness (NE). The genotype NamSoy 4M had the highest performance for NN, NFW, and NDW, but was less stable. WonderSoya had the highest NE. Genotype and genotype by environment analysis grouped environments into mega-environments (MEs), and four MEs were observed for NDW, with NamSoy 4M the winning genotype in the largest ME, and Kasese B the ideal environment for that nodulation trait. Conclusion:This study provides information that can guide breeding strategies. The low genetic effect that led to high environmental and G × E interaction effects raised the need for multi-environments testing before cultivar selection and recommendation. The study revealed genotypes that are stable and others that are high performing for nodulation traits, and which can be used as parental lines in breeding programs.

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Section: Discussionmentioning

confidence: 79%

Genotype by environment effects on promiscuous nodulation in soybean (Glycine max L. Merrill)

et al. 2017

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“…Bacterial growth, nodule formation, and the biological nitrogen fixation activity itself are processes that are dependent on the energy supplied from the sugars that need to be transacted down ward from the host plant shoots. Therefore, phosphorus is the basis for the formation of useful energy, which is essential for sugar formation and translocation [8,9] reported that common bean crop dependent on nitrogen fixation needs more inorganic phosphorus than the same crop provided with mineral nitrogen. Beans are therefore especially susceptible to low soil phosphorus when accompanied by low soil.…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Phosphorus Fertilizer Rates on Growth, Dry Matter Yield and Yield Components of Common Bean (<i>Phaseolus vulgaris</i> L.)

Turuko¹,

Mohammed²

2014

WJAR

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Common bean (Phaseolus vulgaris L.) is an important cash crop and protein source for farmers in many parts of Ethiopia. However, its production is limited by phosphorus fertilizer. Therefore, field experiment was conducted at the Arba Minch farm field the main rain season of 2011 to investigate the responses of common bean to different levels of phosphorus fertilizer and its effect on growth, dry matter yield and yield component of the crop. Five phosphorus rates (0, 10, 20, 30 and 40kg ha -1 ) were used as treatments. Red Wolaita common bean variety was used as planting material. Recommended rate of N (60 kg/ha) was applied to all treatments. The experiment was laid out in a randomized complete block design with three replications. The effect of phosphorus was significantly increased dry matter yield, yield components and growth parameters such as leaf area and number of branches per plant, whereas its effect was not significant on plant height. Based on result obtained, application of 20P kgha -1 is recommended for better production of common bean at Arba Minch and similar areas which have the same soil property.

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“…Leguminous crops including climbing beans, posses root nodules, fix and utilize atmospheric nitrogen [103] [104]. They are thus not mostly dependent on industrially fixed nitrogen and may add up to 30kg of nitrogen per hectare to the soil and improve its fertility [105] [106]. Being a leguminous crop, climbing beans (Phaseolus vulgaris L.) has unique properties of symbiotically associating with Rhizobium leguminosarum and convert atmospheric nitrogen into a usable form to the plants and some may be leaked to the soil and therefore influencing other biological process in the soil [68].…”

Section: Rhizobium Inoculants Supplemented With Nutrient Elements K Amentioning

confidence: 99%

“…Graham [105], Thung and Rao [133] reported significance of P in growth and yield of Phaseolus vulgaris, their findings showed that there was about 60% -70% yield reduction in beans associated with growth retardation of both below and above ground plant organs that resulted from P deficiency. As mentioned earlier, P helps in enhancing Biological Nitrogen Fixation in legumes [96] [121] [134], the reason being high P demand of Biological nitrogen fixation process which creates additional sink of phosphorus to the plant in the nodule thus, deprives the legume plant of the P acquired from the soil [135] [139] have suggested exogenous application of appropriate phosphorus fertilizer as a means of correcting low phosphorus soils, like those frequently encountered in sub Saharan Africa so as to ensure positive effect on growth, Biological nitrogen fixation and yields of targeted legumes.…”

Section: Rhizobium Inoculants Supplemented With Nutrient Elements K Amentioning

confidence: 99%

Extrapolations on the Use of Rhizobium Inoculants Supplemented with Phosphorus (P) and Potassium (K) on Growth and Nutrition of Legumes

Mmbaga¹,

Mtei²,

Ndakidemi³

2014

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Land scarcity and poor farming management practices has resulted in to intensive agriculture which rendered most of the soil in sub Saharan Africa depleted in essential plant nutrients. High prices of chemical fertilizer are crucial bottleneck toward increasing production of legumes and other food crops in most countries found in sub-Saharan Africa. Nitrogen, phosphorus and potassium are among the most limiting nutrients for plant growth as they play different but crucial roles in the plant physiological processes. These macronutrients are fundamental components of cell building blocks including genes and chromosomes. This review intend to show the vital roles played by rhizobial inoculants supplemented with phosphorus and potassium in enhancing growth, yield, photosynthesis, nodulation, nutrient uptake and nitrogen fixation of legumes.

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Plant Factors Affecting Nodulation and Symbiotic Nitrogen Fixation in Legumes

Cited by 14 publications

References 97 publications

Genotype by environment effects on promiscuous nodulation in soybean (Glycine max L. Merrill)

Genotype by environment effects on promiscuous nodulation in soybean (Glycine max L. Merrill)

Effect of Different Phosphorus Fertilizer Rates on Growth, Dry Matter Yield and Yield Components of Common Bean (<i>Phaseolus vulgaris</i> L.)

Extrapolations on the Use of Rhizobium Inoculants Supplemented with Phosphorus (P) and Potassium (K) on Growth and Nutrition of Legumes

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