Soybean tolerance to drought depends on the associated Bradyrhizobium strain

Cerezini, Paula; Kuwano, Biana Harumi; Grunvald, Anna Karolina; Hungría, Mariangela; Nogueira, Marco Antônio

doi:10.1007/s42770-020-00375-1

Cited by 13 publications

(3 citation statements)

References 25 publications

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“…can stimulate an increase of up to 28% in the photosynthetic rate in soybean, thus compensating for any losses. As N is involved in the synthesis of chlorophylls and Rubisco, BNF also increases the photosynthetic efficiency by supplying N to the host plant [ 12 , 51 , 52 , 54 ].…”

Section: Discussionmentioning

confidence: 99%

Co-Inoculation with Azospirillum brasilense and Bradyrhizobium sp. Enhances Nitrogen Uptake and Yield in Field-Grown Cowpea and Did Not Change N-Fertilizer Recovery

Galindo

Pagliari

Silva

et al. 2022

Plants

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This study was designed to investigate the effects of Azospirillum brasilense and Bradyrhizobium sp. co-inoculation coupled with N application on soil N levels and N in plants (total N, nitrate N-NO3− and ammonium N-NH4+), photosynthetic pigments, cowpea plant biomass and grain yield. An isotopic technique was employed to evaluate 15N fertilizer recovery and derivation. Field trials involved two inoculations—(i) single Bradyrhizobium sp. and (ii) Bradyrhizobium sp. + A. brasilense co-inoculation—and four N fertilizer rates (0, 20, 40 and 80 kg ha−1). The co-inoculation of Bradyrhizobium sp. + A. brasilense increased cowpea N uptake (an increase from 10 to 14%) and grain yield (an average increase of 8%) compared to the standard inoculation with Bradyrhizobium sp. specifically derived from soil and other sources without affecting 15N fertilizer recovery. There is no need for the supplementation of N via mineral fertilizers when A. brasilense co-inoculation is performed in a cowpea crop. However, even in the case of an NPK basal fertilization, applied N rates should remain below 20 kg N ha−1 when co-inoculation with Bradyrhizobium sp. and A. brasilense is performed.

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Section: Discussionmentioning

confidence: 99%

Co-Inoculation with Azospirillum brasilense and Bradyrhizobium sp. Enhances Nitrogen Uptake and Yield in Field-Grown Cowpea and Did Not Change N-Fertilizer Recovery

Galindo

Pagliari

Silva

et al. 2022

Plants

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“…These effects result in decreased nutrient and water uptake, diminished root and shoot growth, compromised biological nitrogen fixation, and ultimately reduced biomass yield in alfalfa. The closure of stomata due to drought stress leads to negative implications for gas exchange, which impairs transpiration, photosynthesis, growth, reproduction, enzymatic activities, and the metabolism of nitrogen and carbon, among other metabolic processes (Cerezini et al, 2020; Christophe et al, 2011; Sinclair et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Exploring the impact of soil water variability and varietal diversity on alfalfa yield, nutritional quality, and farm profitability

Baral,

Jagadish,

Hein

et al. 2023

Grassland Research

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BackgroundDespite high nutritional and economic value, alfalfa yield has not been improved in the United States. Soil moisture critically influences alfalfa's yield and quality, affecting its physiological processes, nutrient uptake, and stand growth. Additionally, the maturity stage at harvest can significantly impact both hay yield and quality. Thus, this study aimed to assess the effect of different soil moisture levels and harvesting times on forage yield, nutritive value, and the overall profitability of commercially cultivated alfalfa.MethodsTwo conventional and three lower‐lignin alfalfa varieties were planted in a randomized complete block with split plot design under drought, rainfed, and irrigation conditions in 2020 in Manhattan, Kansas, USA. The dry matter yield (DMY) and forage nutritive value were evaluated at late bud, early flowering, and 7 days after early flowering stages, respectively.ResultsDMY varied with production year, soil water availability, and growth stages, with drought conditions causing a decline in DMY of 5% to 38% in the second production year. Water conditions and maturity stages influenced crude protein (CP) and in vitro dry matter digestibility (IVDMD). Higher soil moisture and advancing maturity stages negatively impacted CP, IVDMD, and relative forage quality. The study revealed net profit margins of 62%, 64%, and 52% for drought‐prone, rainfed, and irrigated production, respectively.ConclusionsHarvest timing and irrigation practices were found to have substantial implications for forage yield and nutritive value of alfalfa. The yield‐quality trade‐off differed under drought and irrigation, with early harvesting leading to lower yields but higher protein content and digestibility. The study findings provide potential guidance for improving alfalfa hay yield, quality, and profitability.

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“…Soybean is both a major global cereal crop and an essential tool in plant research. Particularly for countries such as China, soybean is a vital economic crop for cooking oil, soy products, soy sauce and protein extracts ( Cerezini et al, 2020 ). However, in recent years shortages of water resources have exacerbated drought stress in plants which negatively affect crop cultivation and production in China ( Kim et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Genome-Wide Analysis of the C2 Domain Family in Soybean and Identification of a Putative Abiotic Stress Response Gene GmC2-148

Sun

Zhao

et al. 2021

Front. Plant Sci.

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Plant C2 domain proteins play essential biological functions in numerous plants. In this study, 180 soybean C2 domain genes were identified by screening. Phylogenetic relationship analysis revealed that C2 domain genes fell into three distinct groups with diverged gene structure and conserved functional domain. Chromosomal location analysis indicated that C2 domain genes mapped to 20 chromosomes. The transcript profiles based on RNA-seq data showed that GmC2-58, GmC2-88, and GmC2-148 had higher levels of expression under salt, drought, and abscisic acid (ABA) treatments. GmC2-148, encoding a cell membrane-localized protein, had the highest level of response to various treatments according to real-time quantitative polymerase chain reaction (RT-qPCR) analysis. Under salt and drought stresses, the soybean plants with GmC2-148 transgenic hairy roots showed delayed leaf rolling, a higher content of proline (Pro), and lower contents of H2O2, O2– and malondialdehyde (MDA) compared to those of the empty vector (EV) plants. The results of transgenic Arabidopsis in salt and drought treatments were consistent with those in soybean treatments. In addition, the soybean plants with GmC2-148 transgenic hairy roots increased transcript levels of several abiotic stress-related marker genes, including COR47, NCDE3, NAC11, WRKY13, DREB2A, MYB84, bZIP44, and KIN1 which resulted in enhanced abiotic stress tolerance in soybean. These results indicate that C2 domain genes are involved in response to salt and drought stresses, and this study provides a genome-wide analysis of the C2 domain family in soybean.

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Soybean tolerance to drought depends on the associated Bradyrhizobium strain

Cited by 13 publications

References 25 publications

Co-Inoculation with Azospirillum brasilense and Bradyrhizobium sp. Enhances Nitrogen Uptake and Yield in Field-Grown Cowpea and Did Not Change N-Fertilizer Recovery

Co-Inoculation with Azospirillum brasilense and Bradyrhizobium sp. Enhances Nitrogen Uptake and Yield in Field-Grown Cowpea and Did Not Change N-Fertilizer Recovery

Exploring the impact of soil water variability and varietal diversity on alfalfa yield, nutritional quality, and farm profitability

Genome-Wide Analysis of the C2 Domain Family in Soybean and Identification of a Putative Abiotic Stress Response Gene GmC2-148

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