Analysis of genetic, developmental and spatio-temporal patterns of nitrate accumulation in cauliflower and cabbage genotypes

Saffeullah, Peer; Siddiqi, Tariq Omar; Umar, Shahid

doi:10.1007/s40502-021-00604-1

Plant Physiol. Rep.

2021

DOI: 10.1007/s40502-021-00604-1

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Analysis of genetic, developmental and spatio-temporal patterns of nitrate accumulation in cauliflower and cabbage genotypes

Peer Saffeullah

Tariq Omar Siddiqi

Shahid Umar

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“…Vegetable crops which are consumed fresh, such as cabbage and cauliflower, grown in such areas often contain toxic concentrations of nitrate that are harmful for humans. Saffeullah et al (2021) showed that nitrate accumulation in cabbage and cauliflower varied with the developmental stage and genotype. They reported that the nitrate accumulation was highest in these vegetable crops at the marketable yield stage, posing a serious concern for human health, thus suggesting that indiscriminate application of nitrogenous fertilizer must be controlled.…”

mentioning

confidence: 99%

Plant adaptation to nutrient stress

Pandey

Vengavasi

Hawkesford

2021

Plant Physiol. Rep.

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mentioning

confidence: 99%

Plant adaptation to nutrient stress

Pandey

Vengavasi

Hawkesford

2021

Plant Physiol. Rep.

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Enhancement of Bioactive Constituents in Fresh Cauliflower By-Products in Challenging Climate Conditions

et al. 2022

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In order to mitigate the detrimental impact that climate change is having on plants, the study of new practices that allow for the reduction of such effects has become imperative. In addition, the revaluation of the promotion of healthy plant by-products has also markedly increased in importance in recent years. In this work, the modifications in biomass and some antioxidant compounds of cauliflower by-products treated with putrescine under extreme temperatures in two different CO2 scenarios (the control (400 ppm) and a high concentration of CO2 (1000 ppm)) were studied. Additionally, the compositions of inner and outer leaves were also compared. According to results found in this work, cauliflower grown under elevated CO2 and treated with putrescine (2.5 mM) prior to heat stress showed the highest biomass accumulation (20%) compared to the control. Moreover, in the outer leaves from cauliflower grown under elevated CO2 and treated with putrescine prior to high temperature exposure, the highest biosynthesis of sugars (20%) was recorded. Although cauliflower by-products turned out to be rich in polyamines (208.6 nmoles g−1 fresh weight (FW) and 124.3 nmoles g−1 FW for outer and inner leaves, respectively) and phenolic compounds (1070.2 mg gallic acid equivalents ( (GAE) 100 g−1 FW in outer leaves and 772.0 mg GAE 100 g−1 FW in inner leaves), it was the outer leaves that after applying the new strategy showed the greatest increase in polyamines (68%) and phenolic compounds (39%), obtaining here the highest increase in antioxidant activity (3%). Thus, they should no longer be regarded as mere by-products and should be used for pharmaceutical or nutraceutical purposes. The novel strategy presented in this work may allow us to take advantage of both the continued increase in CO2 and heat waves that are becoming more frequent.

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Analysis of genetic, developmental and spatio-temporal patterns of nitrate accumulation in cauliflower and cabbage genotypes

Cited by 2 publications

References 74 publications

Plant adaptation to nutrient stress

Plant adaptation to nutrient stress

Enhancement of Bioactive Constituents in Fresh Cauliflower By-Products in Challenging Climate Conditions

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