Growth, yield, and oil content of Brassica species under Brazilian tropical conditions

Bassegio, Doglas; Zanotto, Maurício Dutra

doi:10.1590/1678-4499.20190411

Cited by 11 publications

(6 citation statements)

References 22 publications

(37 reference statements)

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“…The total oil yields of 4 seed varieties of Brassica napus L were in agreement with those found by previous findings [13,14]. GC-MS results showed different chemicals, each of which has been known for its biological activities.…”

Section: Discussionsupporting

confidence: 91%

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Chemical Differentiation and Antimicrobial Potential of Four Brassica napus L Seed Oils

Jabbar

Saeed

Abdulaziz

et al. 2021

eijs

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The conducted study compares the phytochemical and the antimicrobial potential of four varieties of Brassica napus seed oils. The plant seeds were cultivated during the winter growing season. Soxhlet extractor and Gas Chromatography-Mass Spectrometer (GC-MS) were used for essential oil analysis. The micro broth dilutionassay was applied to test the antimicrobial potential (MIC: Minimum inhibitory concentration, MBC: Minimum bactericidal concentration) of the extracted essential oils against different bacterial strains. A total of 56 phytochemicals were found, including 23 and 25 compounds in the oils of Pactol and Rapifera seed varieties,respectively, and 21 compounds in each of Bacara and Rally seed oils. Oleic acid constituted about 35.79 %, 15.62%, 7%, and 2.41 % for Rally, Bacara, Rapifera, and Pactol seed oils, respectively. Gram-positive bacteria, Streptococcus pyogenes and Streptococcus agalactiae, showed lower resistance potentials (MIC= 0.78%, 3.125%respectively) (MBC=1.36%, 6.25% respectively) to the essential oils compared with Staphylococcus aureus. Escherichia coli showed higher sensitivity (6.25% and 12.5% for MIC and MBC, respectively) than Klebsiella pneumonia and Pseudomonas aeruginosa to the B. napus seed oils. Gram-positive bacteria weremore sensitive to the tested essential oils than Gram-negative bacteria. Overall, four different seed varieties have important chemicals and fatty acids. Oleic acid was the most common carboxylic acid (fatty acid) and 2,4-decadienal with hexanal were the most prevalent aldehydes in four seed oils. Tested B. napus seed essential oilsshowed antimicrobial activities against various Gram-positive and negative bacteria and Candida albicans, with Pactol seed oils exerting the highest activity.

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Section: Discussionsupporting

confidence: 91%

“…The antibacterial role of these fatty acids was reported in previous studies [21][22][23]. A pelargonic acid was also detected by a previous GC-MC analysis of Bacara seed oil and is known for herbicidal effects [13]. Its industrial applications include lubricant cosmetics and metalworking fluids.…”

Section: Discussionsupporting

confidence: 52%

Chemical Differentiation and Antimicrobial Potential of Four Brassica napus L Seed Oils

Jabbar

Saeed

Abdulaziz

et al. 2021

eijs

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“…All these factors added to reducing oil content in soybean seeds (Lanna et al, 2005 ). The oil yield showed a linear correlation to thousand seed weight, pod length, and seeds per pod of the Brassica species accessions in tropical environments, especially under high-temperature regimes indicating a promising potential as alternative oilseed crops for biodiesel production in tropical conditions (Bassegio and Zanotto, 2020 ).…”

Section: Oil Quantity and Qualitymentioning

confidence: 99%

Adaptation Strategies to Improve the Resistance of Oilseed Crops to Heat Stress Under a Changing Climate: An Overview

et al. 2021

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Temperature is one of the decisive environmental factors that is projected to increase by 1. 5°C over the next two decades due to climate change that may affect various agronomic characteristics, such as biomass production, phenology and physiology, and yield-contributing traits in oilseed crops. Oilseed crops such as soybean, sunflower, canola, peanut, cottonseed, coconut, palm oil, sesame, safflower, olive etc., are widely grown. Specific importance is the vulnerability of oil synthesis in these crops against the rise in climatic temperature, threatening the stability of yield and quality. The natural defense system in these crops cannot withstand the harmful impacts of heat stress, thus causing a considerable loss in seed and oil yield. Therefore, a proper understanding of underlying mechanisms of genotype-environment interactions that could affect oil synthesis pathways is a prime requirement in developing stable cultivars. Heat stress tolerance is a complex quantitative trait controlled by many genes and is challenging to study and characterize. However, heat tolerance studies to date have pointed to several sophisticated mechanisms to deal with the stress of high temperatures, including hormonal signaling pathways for sensing heat stimuli and acquiring tolerance to heat stress, maintaining membrane integrity, production of heat shock proteins (HSPs), removal of reactive oxygen species (ROS), assembly of antioxidants, accumulation of compatible solutes, modified gene expression to enable changes, intelligent agricultural technologies, and several other agronomic techniques for thriving and surviving. Manipulation of multiple genes responsible for thermo-tolerance and exploring their high expressions greatly impacts their potential application using CRISPR/Cas genome editing and OMICS technology. This review highlights the latest outcomes on the response and tolerance to heat stress at the cellular, organelle, and whole plant levels describing numerous approaches applied to enhance thermos-tolerance in oilseed crops. We are attempting to critically analyze the scattered existing approaches to temperature tolerance used in oilseeds as a whole, work toward extending studies into the field, and provide researchers and related parties with useful information to streamline their breeding programs so that they can seek new avenues and develop guidelines that will greatly enhance ongoing efforts to establish heat stress tolerance in oilseeds.

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“…The global production of Brassica mustard crops is expected to increase due to national renewable energy directives being established. For example, B. napus was the only oilseed crop grown in Brazil for decades due to its ability to grow well under the tropical climate, however, with the national drive for production of biodiesel, several B. juncea and B. rapa varieties were found to be better alternatives due to their oilseed properties (such as higher erucic acid content (22:1) [ 11 ]. In contrast, B. napus and B. carinata are prioritized as sources of oil for biofuel in the US, UK and the EU [ 12 , 13 , 14 ] as central Europe is well suited for growing winter varieties of B. napus [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

The Global Assessment of Oilseed Brassica Crop Species Yield, Yield Stability and the Underlying Genetics

Zandberg

Fernandez

Danilevicz

et al. 2022

Plants

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The global demand for oilseeds is increasing along with the human population. The family of Brassicaceae crops are no exception, typically harvested as a valuable source of oil, rich in beneficial molecules important for human health. The global capacity for improving Brassica yield has steadily risen over the last 50 years, with the major crop Brassica napus (rapeseed, canola) production increasing to ~72 Gt in 2020. In contrast, the production of Brassica mustard crops has fluctuated, rarely improving in farming efficiency. The drastic increase in global yield of B. napus is largely due to the demand for a stable source of cooking oil. Furthermore, with the adoption of highly efficient farming techniques, yield enhancement programs, breeding programs, the integration of high-throughput phenotyping technology and establishing the underlying genetics, B. napus yields have increased by >450 fold since 1978. Yield stability has been improved with new management strategies targeting diseases and pests, as well as by understanding the complex interaction of environment, phenotype and genotype. This review assesses the global yield and yield stability of agriculturally important oilseed Brassica species and discusses how contemporary farming and genetic techniques have driven improvements.

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Growth, yield, and oil content of Brassica species under Brazilian tropical conditions

Cited by 11 publications

References 22 publications

Chemical Differentiation and Antimicrobial Potential of Four Brassica napus L Seed Oils

Chemical Differentiation and Antimicrobial Potential of Four Brassica napus L Seed Oils

Adaptation Strategies to Improve the Resistance of Oilseed Crops to Heat Stress Under a Changing Climate: An Overview

The Global Assessment of Oilseed Brassica Crop Species Yield, Yield Stability and the Underlying Genetics

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