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Short-Term Hypergravity-Induced Changes in Growth, Photo synthetic Parameters, and Assessment of Threshold Values in Wheat (Triticum aestivum L.)

Jyotsana Dixit

Jyotsana Dixit

School of Basic Medical Sciences, Savitribai Phule Pune UniversityPune, INDIA
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Dixit, Jyotsana
, 
Sagar Jagtap

Sagar Jagtap

Department of Physics, Haribhai V. Desai CollegePune, INDIA
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Jagtap, Sagar
 und 
Pandit Vidyasagar

Pandit Vidyasagar

Department of Physics, Savitribai Phule Pune UniversityPune, INDIA
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Vidyasagar, Pandit
  
13. Apr. 2022
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Artikel-Kategorie: Research Note
Online veröffentlicht: 13. Apr. 2022
Seitenbereich: 10 - 17
DOI: https://doi.org/10.2478/gsr-2022-0002
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© 2022 Jyotsana Dixit et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Shoots extracted from five-day-old wheat seedlings raised from control and hypergravity treated seeds.
Shoots extracted from five-day-old wheat seedlings raised from control and hypergravity treated seeds.

Figure 2

Photosynthesis parameters such as (a) rate of photosynthesis (PN), (b) intracellular CO2 concentration (Cint), (c) transpiration rate (Evap), and (d) stomatal conductance (Gs) in five-day-old seedlings raised from controls and hypergravity-exposed seeds.
Photosynthesis parameters such as (a) rate of photosynthesis (PN), (b) intracellular CO2 concentration (Cint), (c) transpiration rate (Evap), and (d) stomatal conductance (Gs) in five-day-old seedlings raised from controls and hypergravity-exposed seeds.

Figure 3

Kautsky fluorescence induction curves for control and hypergravity samples (Set 1: Control, Set 2: 200 g, Set 3: 400 g, Set 4: 600 g, Set 5: 800 g and Set 6: 1,000 g) obtained from Handy PEA instrument.
Kautsky fluorescence induction curves for control and hypergravity samples (Set 1: Control, Set 2: 200 g, Set 3: 400 g, Set 4: 600 g, Set 5: 800 g and Set 6: 1,000 g) obtained from Handy PEA instrument.

Figure 4

A typical Kautsky fluorescence induction curve adapted from Strasser et al. 1995; Xia et al., 2019.
A typical Kautsky fluorescence induction curve adapted from Strasser et al. 1995; Xia et al., 2019.

Figure 5

Schematic diagram showing the declined effect on growth and photosynthesis in response to the stimulus of hypergravity. Average percentage decrease in growth (values in red) and rate of photosynthesis, PN (values in green) with an increase in hypergravity (g) value as compared with control in wheat with ambient environmental conditions, i.e., temperature 30 ± 2°C, relative humidity 40 ± 5%. THL and THH indicate the lower threshold and the higher threshold at 400 g and 1,000 g, respectively.
Schematic diagram showing the declined effect on growth and photosynthesis in response to the stimulus of hypergravity. Average percentage decrease in growth (values in red) and rate of photosynthesis, PN (values in green) with an increase in hypergravity (g) value as compared with control in wheat with ambient environmental conditions, i.e., temperature 30 ± 2°C, relative humidity 40 ± 5%. THL and THH indicate the lower threshold and the higher threshold at 400 g and 1,000 g, respectively.
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