Analysis of Water Stress in Different Varieties of Maize (Zea mays L.) at the Early Seedling Stage

Pawar, Kiran Ramesh; Wagh, Sopan Ganpatrao; Sonune, Pravin Prakash; Solunke, Sakshi Raju; Solanke, Shubham Babanrao; Rathod, Sandeep G.; Harke, Sanjay

doi:10.9734/bji/2020/v24i130094

Cited by 8 publications

(9 citation statements)

References 20 publications

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“…These accumulated compounds acted as cellular osmoregulators agents, protected enzymes and proteins against damage, supported energy supply, and improved the antioxidant activity of plants under stress conditions. A similar trend was obtained by Yehia & El-Menshawie (2008), Yehia (2020), Pawar et al (2020), andIbrahim et al (2021), who stated that Egyptian cotton cultivars differed in drought stress tolerance via the cotton leaves content of proline and their ability for accumulating it in leaves.…”

Section: Effects Of the Main Factors And Their Interactions On The Le...supporting

confidence: 81%

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The Physiological Response of Some Cotton Cultivars to Water Stress and Growth Inducers

Ibrahim¹,

El-Waraky²,

Gebaly³

2022

Egypt. J. Bot.

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W ATER deficiency is the most common abiotic stress in cotton production in Egypt.Although, cotton plants react strongly to soil moisture, water-deficit conditions during squaring and flowering stages diminish plant growth and productivity. The experiment was conducted to evaluate the physiological response of three Egyptian cotton cultivars (Giza 94, 96 and 97), under irrigation intervals (normal and severe water-deficit conditions) and with spraying with growth inducers [calcium(Ca)-boron(B) and mixed amino acids] and their interactions on the leaves chemical constituents and yield components during the 2020 and 2021 seasons. The experiment design was a split-split plot with three replicates. The main plots included three cotton cultivars, the subplots included two irrigation intervals and the subsubplots included spraying with growth inducers at squaring and flowering stages (400ppm). The results revealed that the performance of the three cotton cultivars was significantly different in chemical constituents and yield components via their different genetic potentials, with the best results registered by Giza 97 compared to Giza 94 and 96. Water-deficit conditions significantly reduced leaves pigment content and all yield components, but significantly improved all osmolyte compounds (total soluble sugars, total phenol, total free amino acids, free proline and total antioxidant capacity) compared to normal conditions. Spraying with growth inducers significantly enhanced the chemical constituents and yield components compared to untreated plants in relation to their positive effects in improving photosynthesis, sugar biosynthesis and all cotton cultivar yields. Giza 97 sprayed with Ca-B under normal conditions recorded the best results compared to other treatments.

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Section: Effects Of the Main Factors And Their Interactions On The Le...supporting

confidence: 81%

“…In response to water-deficit conditions, some plants adjust their leaves structure to decrease transpiration (Hameed et al, 2012). Egyptian cotton cultivars are differentiated in drought stress responses (Yehia & El-Menshawie, 2008;Dahad et al, 2012;Gamez et al, 2019;Pawar et al, 2020;Yehia, 2020;Ibrahim et al, 2021;Zaki & Radwan, 2022).…”

Section: Introductionmentioning

confidence: 99%

The Physiological Response of Some Cotton Cultivars to Water Stress and Growth Inducers

Ibrahim¹,

El-Waraky²,

Gebaly³

2022

Egypt. J. Bot.

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“…MMRI. Water stress-induced reductions in biomass production and final seed yield are common phenomena in crop plants [ 97 , 98 , 99 ]. However, the extent of reductions in yield and biomass are crop species- and cultivar specific [ 100 ].…”

Section: Discussionmentioning

confidence: 99%

Fertigation with Zn-Lysine Confers Better Photosynthetic Efficiency and Yield in Water Stressed Maize: Water Relations, Antioxidative Defense Mechanism and Nutrient Acquisition

Shehzad

Ali

Al‐Misned

et al. 2022

Plants

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Different strategies including the exogenous use of micronutrient-chelated amino acids are being employed for better crop yield with limited fresh water for irrigation. The present study was conducted to assess the effects of foliar-applied Zn-lysine (Zn-Lys) on maize growth and yield under limited irrigation, in relation to physio-biochemical mechanisms such as the plant–water relations, photosynthetic efficiency, antioxidant defense mechanism, amino acid accumulation and nutrient acquisition. The experiment comprised two maize cultivars (MMRI and Pearl), two irrigation levels and three levels of Zn-Lys (0.25, 0.5 and 0.75%). Zn-Lys fertigation was found to be effective in reducing the negative impacts of limited water supply on grain yield, associated with improved photosynthetic efficiency, water relations, antioxidative defense mechanism and reduced lipid peroxidation in both maize cultivars. Zn-Lys-induced improvement in antioxidative mechanisms was associated with improved content of non-enzymatic antioxidants and activities of antioxidant enzymes. Foliar-fertigation with Zn-Lys also significantly improved the contents of various amino acids including Lys, as well as uptake of nutrients in both maize cultivars. In conclusion, the 0.5% level of Zn-Lys was found to be effective in ameliorating the negative impacts of water stress for better grain yield in both maize cultivars that can also be used as an important environment-friendly source of Zn to fulfill maize Zn deficiency.

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“…And mahabeej privet limited Akola.In a separate beaker, take 6-8 seeds for each cultivar and wash with distilled water. The seed was treated with 0.1% HgCl2 for 2-3 min for surface sterilization, as previously explained by Pawar et al [24]. Move the seed into a fresh beaker and wash it 3 times with distilled water to remove trace of Mercuric Chloride.…”

Section: Collection Of Sample and Plant Materialsmentioning

confidence: 99%

Comparative Studies among Different Genotypes of Soybean (Glycine max L.) against Salinity Stress

Siddiki

Wagh²,

Sul

et al. 2020

CJAST

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Soybean (Glycine max L.) is a significant legume of food and plays a vital role in human livelihood. It is rich in proteins (40%), which contain major essential amino acids, and edible oil (20%). Salinity stress affects soybean yield 30-80%. Salinity stress significantly reduces net photosynthetic rates, increases energy losses for the mechanism of salt exclusion, substantially decreases nutrient intake and ultimately results in reduced plant growth. Present investigation was conducted to show how morphological and biochemical changes occur due to the stress of salinity on the soybean plant genotypes. Stress with salinity resulted in increased protein and proline content to withstand stress with salinity. Better root length, shoot length fresh weight and dry weight were observed of JS-355 variety. The JS-355 variety demonstrated the better response to all concentrations of salt stress used from 40 mM to 280 mM. As the salt concentration increases, so does the protein and proline concentration. The JS-355 variety showed the better results at all salt concentrations. The highest protein and proline content at high salt concentration was observed in varietyJS-355.

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Analysis of Water Stress in Different Varieties of Maize (Zea mays L.) at the Early Seedling Stage

Cited by 8 publications

References 20 publications

The Physiological Response of Some Cotton Cultivars to Water Stress and Growth Inducers

The Physiological Response of Some Cotton Cultivars to Water Stress and Growth Inducers

Fertigation with Zn-Lysine Confers Better Photosynthetic Efficiency and Yield in Water Stressed Maize: Water Relations, Antioxidative Defense Mechanism and Nutrient Acquisition

Comparative Studies among Different Genotypes of Soybean (Glycine max L.) against Salinity Stress

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