Salt tolerance in maize with melatonin priming to achieve sustainability in yield on salt affected soils

Hussain, Syed Saqlain; Rasheed, Muhammad Babar; Saleem, Muhammad Hamzah; Ahmed, Zammurad Iqbal; Hafeez, Aqsa; Jilani, Ghulam; Alamri, Saad; Hashem, Mohamed; Ali, Shafaqat

doi:10.30848/pjb2023-1(27)

Cited by 31 publications

(18 citation statements)

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“…With extreme temperatures and rainfall, decreased water availability, and changes in soil quality, , climate change is the most pressing issue confronting humanity today. − These effects will have an impact on agricultural productivity and will make it more difficult for plants to grow and thrive globally. , Human actions are the primary cause of climatic fluctuations that are distinct throughout decades to millennia, according to ref . Since plants are subjected to a variety of abiotic pressures, reactions are more complicated and many stress pathways overlap, making plant responses to abiotic stresses dynamic, complex, and both elastic and plastic .…”

Section: Discussionmentioning

confidence: 99%

Efficacy of Naphthyl Acetic Acid Foliar Spray in Moderating Drought Effects on the Morphological and Physiological Traits of Maize Plants (Zea maysL.)

Ullah

Khan

et al. 2023

ACS Omega

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The threat of varying global climates has greatly driven the attention of scientists, as climate change increases the odds of worsening drought in many parts of Pakistan and the world in the decades ahead. Keeping in view the forthcoming climate change, the present study aimed to evaluate the influence of varying levels of induced drought stress on the physiological mechanism of drought resistance in selected maize cultivars. The sandy loam rhizospheric soil with moisture content 0.43–0.5 g g–1, organic matter (OM) 0.43–0.55 g/kg, N 0.022–0.027 g/kg, P 0.028–0.058 g/kg, and K 0.017–0.042 g/kg was used in the present experiment. The findings showed that a significant drop in the leaf water status, chlorophyll content, and carotenoid content was linked to an increase in sugar, proline, and antioxidant enzyme accumulation at p < 0.05 under induced drought stress, along with an increase in protein content as a dominant response for both cultivars. SVI-I & II, RSR, LAI, LAR, TB, CA, CB, CC, peroxidase (POD), and superoxide dismutase (SOD) content under drought stress were studied for variance analysis in terms of interactions between drought and NAA treatment and were found significant at p < 0.05 after 15 days. It has been found that the exogenous application of NAA alleviated the inhibitory effect of only short-term water stress, but yield loss due to long-term osmotic stress will not be faced employing growth regulators. Climate-smart agriculture is the only approach to reduce the detrimental impact of global fluctuations, such as drought stress, on crop adaptability before they have a significant influence on world crop production.

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Section: Discussionmentioning

confidence: 99%

Efficacy of Naphthyl Acetic Acid Foliar Spray in Moderating Drought Effects on the Morphological and Physiological Traits of Maize Plants (Zea maysL.)

Ullah

Khan

et al. 2023

ACS Omega

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“…Plants experience a variety of biotic and abiotic stresses throughout their lives, including pathogen infestations, water shortages, , salts , and heavy metals, − nutrient imbalance, and light disturbance, all of which can significantly reduce the yield of many crops around the world. − Among them, salinity stress is one of the major constraints that caused substantial damage during plant growth and development that ultimately resulted in reduced crop yields. , Under saline stress environments, the higher accumulation of highly soluble salts resulted in altered plants’ physiological and biochemical mechanisms, contributing to heavy yield losses, whereas the severity of soil salinization is heavily dependent on the soil composition and several environmental factors, i.e., light and plant species. The common responses of plants during saline stress include the inhibition of plant growth, disruption of photosynthetic machinery, alterations in structural composition, exclusion of ions, osmotic readjustments, and modifications in nutrient imbalances.…”

Section: Discussionmentioning

confidence: 99%

Ameliorative Effects of Exogenous Potassium Nitrate on Antioxidant Defense System and Mineral Nutrient Uptake in Radish (Raphanus sativusL.) under Salinity Stress

et al. 2023

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Soil salinization has become a major issue around the world in recent years, as it is one of the consequences of climate change as sea levels rise. It is crucial to lessen the severe consequences of soil salinization on plants. A pot experiment was conducted to regulate the physiological and biochemical mechanisms in order to evaluate the ameliorative effects of potassium nitrate (KNO 3 ) on Raphanus sativus L. genotypes under salt stress. The results from the present study illustrated that the salinity stress induced a significant decrease in shoot length, root length, shoot fresh weight, shoot dry weight, root fresh weight, root dry weight, number of leaves per plant, leaf area chlorophyll-a, chlorophyll-b,

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“…Osmotic stress severely affects plants during their life cycle; it results in leaf chlorosis and antioxidant’s imbalance . However, reduction in growth depends upon the duration and the severity of stress. − In this connection, many scientific studies have concluded that osmotic stress hampers the growth of leaves, stems, roots, and total plant dry mass. , …”

Section: Introductionmentioning

confidence: 99%

Seed Priming Modulates Physiological and Agronomic Attributes of Maize (Zea mays L.) under Induced Polyethylene Glycol Osmotic Stress

Kakar,

Ullah,

Shah

et al. 2023

ACS Omega

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Drought and osmotic stresses are major threats to agricultural crops as they affect plants during their life cycle. The seeds are more susceptible to these stresses during germination and establishment of seedlings. To cope with these abiotic stresses, various seed priming techniques have broadly been used. The present study aimed to assess seed priming techniques under osmotic stress. Osmo-priming with chitosan (1 and 2%), hydro-priming with distilled water, and thermo-priming at 4 °C were used on the physiology and agronomy of Zea mays L. under polyethylene glycol (PEG-4000)-induced osmotic stress (−0.2 and −0.4 MPa). The vegetative response, osmolyte content, and antioxidant enzymes of two varieties (Pearl and Sargodha 2002 White) were studied under induced osmotic stress. The results showed that seed germination and seedling growth were inhibited under osmotic stress and germination percentage, and the seed vigor index was enhanced in both varieties of Z. mays L. with chitosan osmo-priming. Osmo-priming with chitosan and hydro-priming with distilled water modulated the level of photosynthetic pigments and proline, which were reduced under induced osmotic stress; moreover, the activities of antioxidant enzymes were improved significantly. In conclusion, osmotic stress adversely affects the growth and physiological attributes; on the contrary, seed priming ameliorated the stress tolerance resistance of Z. mays L. cultivars to PEG-induced osmotic stress by activating the natural antioxidation enzymatic system and accumulating osmolytes.

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Salt tolerance in maize with melatonin priming to achieve sustainability in yield on salt affected soils

Cited by 31 publications

References 0 publications

Efficacy of Naphthyl Acetic Acid Foliar Spray in Moderating Drought Effects on the Morphological and Physiological Traits of Maize Plants (Zea maysL.)

Efficacy of Naphthyl Acetic Acid Foliar Spray in Moderating Drought Effects on the Morphological and Physiological Traits of Maize Plants (Zea maysL.)

Ameliorative Effects of Exogenous Potassium Nitrate on Antioxidant Defense System and Mineral Nutrient Uptake in Radish (Raphanus sativusL.) under Salinity Stress

Seed Priming Modulates Physiological and Agronomic Attributes of Maize (Zea mays L.) under Induced Polyethylene Glycol Osmotic Stress

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