Distribution and effects of ionic titanium application on energy partitioning and quantum yield of soybean under different light conditions

Hussain, Sajad; Iqbal, Nasır; Raza, Muhammad Ali; Khan, Md. Raisuddin; Ahmed, Sakir; Rahman, Tanzeelur; Chen, Ping; Wang, X.; Du, Xuhua; Liu, Weiqun; Yang, Wenyu

doi:10.32615/ps.2019.074

Cited by 14 publications

(8 citation statements)

References 29 publications

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“…In our present study, as the severity of drought stress increased, F v/Fm, qP, ФPSII, and ETR decreased significantly under both light regimes which is consistent with the earlier reported research (Hussain et al 2019c. The decrease was recorded to be greater in plants grown under full light as compared to those grown under shade conditions.…”

Section: Discussionsupporting

confidence: 93%

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Shafiq¹,

Hussain²,

Hassan³

et al. 2020

Photosynt.

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An interactive effect of simultaneous shade and drought stress on drought-tolerant and drought-sensitive cultivars of soybean was studied. As drought stress intensified, the net photosynthetic rate decreased in both cultivars due to reduced leaf area, relative water content, transpiration rate, stomatal conductance, chlorophyll content, and Rubisco activity which ultimately led to yield reduction. Moreover, the chlorophyll fluorescence parameters also decreased. Interestingly, a moderate shade was found helpful in alleviating the adverse effects of drought stress, specifically in resistant cultivar N12 where seed yield improved significantly under moderate drought conditions in contrast to the cultivar C103. In summary, the effect of drought stress on soybean depended on the irradiance conditions and shade could enhance soybean drought resistance, although this resistance was cultivar dependent. With appropriate cultivar selection, a moderate shade can help optimize yield and improve the performance of drought-exposed soybean.

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Section: Discussionsupporting

confidence: 93%

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Shafiq¹,

Hussain²,

Hassan³

et al. 2020

Photosynt.

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“…Warming may increase plant photosynthesis by increasing the efficiency of PSII by means of increased F v /F m and ΦPSII (Yin et al, 2009). In this study, IT and its combination with EO exposure resulted in higher F v /F m , ΦPSII and qP for G. biloba and P. alba 'Berolinensis' leaves than those under O 3 exposure alone, indicating that moderate warming enhanced the efficiency of PSII that can improve Pn by accelerating the energy transport from PSII to PSI of plants (Hussain et al, 2019). Our result is consistent with earlier findings where F v /F m decreased in O 3 -exposed leaves of bean indicating photoinhibition in PSII reaction centers (Guidi et al, 2002).…”

Section: Photosynthetic Response To Increased Temperature And/or Elev...mentioning

confidence: 50%

Experimental warming alleviates the adverse effects from tropospheric ozone on two urban tree species

Wang

Zhang

et al. 2021

Environmental Pollution

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“…Fluor Imager softer was used to investigate the fluorescence parameters. The protocol followed has been described in our previous publications ( Hussain et al, 2019a , b ).…”

Section: Methodsmentioning

confidence: 99%

Titanium Application Increases Phosphorus Uptake Through Changes in Auxin Content and Root Architecture in Soybean (Glycine Max L.)

et al. 2021

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Phosphorus (P) is an essential macronutrient needed for plant growth, development, and production. A deficiency of P causes a severe impact on plant development and productivity. Several P-based fertilizers are being used in agriculture but limited uptake of P by the plant is still a challenge to be solved. Titanium (Ti) application increases the nutrient uptake by affecting the root growth; however, the role of Ti in plant biology, specifically its application under low light and phosphorus stress, has never been reported. Therefore, a pot study was planned with foliar application of Ti (in a different concentration ranging from 0 to 1,000 mg L–1) under different light and P concentrations. The result indicated that under shade and low P conditions the foliar application of Ti in different concentrations significantly improves the plant growth parameters such as root length, root surface area, root dry matter, and shoot dry matters. The increase was observed to be more than 100% in shade and low P stressed soybean root parameter with 500 mg L–1 of Ti treatment. Ti was observed to improve the plant growth both in high P and low P exposed plants, but the improvement was more obvious in Low P exposed plants. Auxin concentration in stressed and healthy plant roots was observed to be slightly increased with Ti application. Ti application was also observed to decrease rhizosphere soil pH and boosted the antioxidant enzymatic activities with an enhancement in photosynthetic efficiency of soybean plants under shade and P stress. With 500 mg L–1 of Ti treatment, the photosynthetic rate was observed to improve by 45% under shade and P stressed soybean plants. Thus, this work for the first time indicates a good potential of Ti application in the low light and P deficient agricultural fields for the purpose to improve plant growth and development parameters.

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Distribution and effects of ionic titanium application on energy partitioning and quantum yield of soybean under different light conditions

Cited by 14 publications

References 29 publications

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Experimental warming alleviates the adverse effects from tropospheric ozone on two urban tree species

Titanium Application Increases Phosphorus Uptake Through Changes in Auxin Content and Root Architecture in Soybean (Glycine Max L.)

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