Morphophysiological Responses and Tolerance Mechanisms in Cassava (Manihot esculenta Crantz) Under Drought Stress

More, Sanket J.; Bardhan, Kirti; Ravi, V.; Ratnakumar, P.; Chaturvedi, Ashish; Lal, Milan Kumar; Siddique, Kadambot H. M.

doi:10.1007/s42729-023-01127-4

Cited by 20 publications

(5 citation statements)

References 164 publications

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“…Under water deficit conditions, red radish stem length, leaf fresh and dry weight, leaf number, leaf area, and total yield were significantly decreased at different critical stages without using compost. These findings are consistent with previous research (More et al 2023;Siddique et al 2016), which also reported adverse effects of water deficit on stem length (Widuri et al 2018) and fresh and dry weight (Bocchini et al 2018;Widuri et al 2018). The highest values for stem length, leaf fresh and dry weight, leaf number, leaf area, and total yield were observed under the 100% irrigation level, whereas these traits exhibited a decline with increasing water deficit levels.…”

Section: Resultssupporting

confidence: 92%

Compost Amendment Enhances Leaf Gas Exchange, Growth, and Yield in Water-challenged ‘Crimson Giant’ Red Radish (Raphanus sativus L.)

Alsadon,

Dewir,

Ibrahim

et al. 2024

horts

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Red radish is a nutritious root vegetable crop that has a short production cycle. Water deficit limits plant productivity, affecting its quantity and quality. Compost amendment offers a potential solution to mitigate water deficit effects. This study assessed the impact of compost manure rates (0%, 50%, 75%, and 100%) and irrigation treatments (40%, 60%, 80%, and 100% of evapotranspiration) on ‘Crimson Giant’ red radish production. Significant differences in growth and quality were observed among these treatments. Compost rates of 75% and 100% improved leaf gas exchange, plant growth (leaf count, fresh weight, dry weight, and area; stem length), root development, total yield (root fresh weight, dry weight, diameter, and length), and root quality (vitamin C and total soluble solid and titratable acidity). The 100% compost and 100% irrigation combination achieved the highest yields. Under water deficit, applying 75% or 100% compost with 80% irrigation conserved 20% of water while maintaining radish output. Overall, compost amendment effectively enhanced red radish growth and production under water deficit.

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Section: Resultssupporting

confidence: 92%

Compost Amendment Enhances Leaf Gas Exchange, Growth, and Yield in Water-challenged ‘Crimson Giant’ Red Radish (Raphanus sativus L.)

Alsadon,

Dewir,

Ibrahim

et al. 2024

horts

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“…While the degree of recovery is largely determined by the severity of the stress, there is typically a leak of solutes from the intracellular space into the medium after the plant tissues have been rehydrated [12]. If plants are drought-tolerant, they can retain the solutes and return to their initial levels with a reasonable efficiency, whereas drought-sensitive plants may not be able to do so and may sustain irreparable damage to their tissues as a consequence [13]. A variety of environmental and human health problems can result from improper fertilizer and pesticide inputs; moreover, these agricultural crop production approaches are both expensive and non-renewable.…”

Section: Of 38mentioning

confidence: 99%

Morphophysiological and Biochemical Responses of Zea mays L. under Cadmium and Drought Stresses Integrated with Fungal and Bacterial Inoculation

et al. 2023

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Cadmium and drought stress are the most destructive of the abiotic stresses with negative effects on both metabolism and photosynthesis. The present experiment aimed to analyze the impact of inoculation with Bacillus paralicheniformis and Trichoderma asperellum on the growth and antioxidant response modulation of maize (Zea mays L.), under drought and Cadmium (Cd) stresses. Regarding plant biomass analysis, fungi inoculation increased leaf dry biomass significantly (11.92%) towards uninoculated ones. The leaf area was affected significantly by bacterial application, 12.15% more than the control. A significant trend (drought+ Cd stress) was observed between fungi-inoculated maize leaves (15.07 µmol/g FW) and bacterial-inoculated leaves (18.71 µmol/g FW) regarding the malondialdehyde quantity. Furthermore, the activities of superoxide dismutase were notably higher (9.63–40.88%) in microorganism-inoculated roots. Similarly, under drought + Cd stress, peroxidase demonstrated a higher activity under bacterial inoculation than fungal ones (92.11% more). The maximum translocation factor was observed in the uninoculated group (under Cd stress), while the bioconcentration factor under drought stress showed a significant increase by microorganisms. The maximum relative water content under bacterial inoculation (82.66%) was achieved. The fungi and bacterial inoculation minimized Cd accumulation in the leaf significantly under drought and drought + Cd stress. Generally, the microorganism inoculation positively and partially maintained the plant’s performance, despite the presence of drought and Cd stress.

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“…Global warming-associated changes viz., ood, drought, heat stress, and rising CO 2 concentration are signi cantly impacting the physiological and yield responses of crops (Arora 2019; More et al 2023). Lately, there is a growing concern with yet another climate change effect namely, 'global dimming' i.e.…”

Section: Introductionmentioning

confidence: 99%

Carbon enrichment enhances photosynthetic efficiency of yam bean (Pachyrhizus erosus L.) under low light conditions

Ravi,

Pushpaleela,

Raju

et al. 2024

Preprint

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Physiological responses and agricultural crop fecundity are significantly impacted due to contrasting sky conditions. Here we report the impact of the combined effect of varying photosynthetic photon flux density (PPFD) and elevated carbon dioxide on the photosynthetic responses of yam bean. We found that limited PPFD down-regulated the photosynthetic activity whereas the fertilization effect of CO2 enrichment alleviated the negative impact of limiting PPFD. The mean photosynthetic rates increased linearly and significantly across PPFD. Notably, the quantum of increment of mean photosynthetic rate across increasing PPFD was significantly higher at 600 and 800 ppm CO2 in comparison to 400 ppm and 1000 ppm due to the acclimation effect of carbon enrichment at 1000 ppm. Irrespective of the PPFD, the mean stomatal conductance (gs) rate remained high at 600, 800 and 1000 ppm in comparison to 400 ppm. As a general trend, at all CO2 levels, the mean gs increased significantly up to 50-1000 µmol m− 2 s− 1 PPFD followed by a slight down-regulation at 1200–1500 µmol m− 2 s− 1 PPFD. A similar trend was observed in the case of intracellular carbon dioxide concentration (Ci) and the ratio of intercellular to ambient CO2 concentration (Ci/Ca). As an effect of CO2 fertilization, the mean transpiration rate (E) increased linearly and significantly across all PPFD and CO2 concentrations. Our results suggest that the down-regulated photosynthesis of yam bean under cloudy conditions or limited PPFD will benefit from ECO2.

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Morphophysiological Responses and Tolerance Mechanisms in Cassava (Manihot esculenta Crantz) Under Drought Stress

Cited by 20 publications

References 164 publications

Compost Amendment Enhances Leaf Gas Exchange, Growth, and Yield in Water-challenged ‘Crimson Giant’ Red Radish (Raphanus sativus L.)

Compost Amendment Enhances Leaf Gas Exchange, Growth, and Yield in Water-challenged ‘Crimson Giant’ Red Radish (Raphanus sativus L.)

Morphophysiological and Biochemical Responses of Zea mays L. under Cadmium and Drought Stresses Integrated with Fungal and Bacterial Inoculation

Carbon enrichment enhances photosynthetic efficiency of yam bean (Pachyrhizus erosus L.) under low light conditions

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