Exploring the role of Inositol 1,3,4-trisphosphate 5/6 kinase-2 ( GmITPK2 ) as a dehydration and salinity stress regulator in Glycine max (L.) Merr. through heterologous expression in E. coli

The present study was conducted to evaluate the differences in photosynthetic parameters and antioxidant enzyme activity among two genotypes of soybean (Glycine max L.) in response to salinity stress. Ten-day-old seedlings, grown hydroponically, were treated with 0, 25, 50, 75, 100, 125 and 150 mM NaCl for 7 days and analysed for the traits as biomarkers for identification of salt-tolerant soybean genotype. It was observed that NaCl stress caused severe impairments in photosynthetic rate, chlorophyll fluorescence and chlorophyll content in both the genotypes, but the damage were much more pronounced in salt-sensitive genotype VL SOYA-47. Moreover, chlorophyll fluorescence measurements showed higher non-photochemical quenching in genotype VL SOYA-47 and lower in genotype VL SOYA-21. The antioxidant enzyme activities (superoxide dismutase, catalase, ascorbate peroxidase and glutathione reductase) was observed much higher in VL SOYA-21 than in VL SOYA-47 at various levels of NaCl treatments. From the results, it could be suggested that VL SOYA-21 is the salt tolerant and VL SOYA-47 is a salt sensitive soybean genotype. The tolerance capacity of VL SOYA-21 against NaCl stress can be related with the ability of this genotype in possessing vital photosynthetic system and ROS scavenging capacity.

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Distinguishing Growth Inhibition and Developing of Model for Predicting Growth by Salinity Stress in Soybean (Glycine Max(L.) Merr.) using Unmanned Aerial Vehicle-based Spectral Imagery

Precision Agriculture Science and Technology ◽

10.12972/pastj.20200031 ◽

2020 ◽

Vol 2 (4) ◽

Keyword(s):

Glycine Max ◽

Growth Inhibition ◽

Unmanned Aerial Vehicle ◽

Salinity Stress ◽

Aerial Vehicle ◽

Glycine Max L

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The role of isoflavone metabolism in plant protection depends on the rhizobacterial MAMP that triggers systemic resistance against Xanthomonas axonopodis pv. glycines in Glycine max (L.) Merr. cv. Osumi

Plant Physiology and Biochemistry ◽

10.1016/j.plaphy.2014.05.001 ◽

2014 ◽

Vol 82 ◽

pp. 9-16 ◽

Cited By ~ 18

Author(s):

Elena Algar ◽

F. Javier Gutierrez-Mañero ◽

Ana Garcia-Villaraco ◽

Daniel García-Seco ◽

J. Antonio Lucas ◽

...

Keyword(s):

Glycine Max ◽

Plant Protection ◽

Systemic Resistance ◽

Xanthomonas Axonopodis ◽

Glycine Max L ◽

Isoflavone Metabolism

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SOME EFFECTS OF NITRATE ON SOYBEAN ROOT DEVELOPMENT

Canadian Journal of Plant Science ◽

10.4141/cjps86-069 ◽

1986 ◽

Vol 66 (3) ◽

pp. 505-510 ◽

Cited By ~ 3

Author(s):

J. A. STONE ◽

B. R. BUTTERY

Keyword(s):

Glycine Max ◽

Field Test ◽

Dry Weight ◽

Nodule Development ◽

Root Extension ◽

Morphological Aspects ◽

Growth Room ◽

Glycine Max L ◽

Top Dry Weight

The objective of this study was to determine the effect of nitrate on some morphological aspects of soybean (Glycine max (L.) Merr.) root growth and to determine the role of drainage in the response. Two indeterminate soybean cultivars were grown on 0, 10 and 40% mixtures of perlite and Brookston clay loam, supplied with Bradyrhizobium japonicum strain USDA 110, and watered with nutrient solutions containing 0 or 6 mM nitrate. Plants were grown in acrylic tubes until 21 and 53 d after emergence in corresponding field and growth room experiments, respectively. Response variables measured were the rate of taproot extension, root counts at the acrylic-soil interface, and top, root, and nodule dry weight. Nitrate suppressed nodule development and increased top dry weight but had no effect on the rate of taproot extension. Nitrate increased root counts and root dry weights in the field test, but decreased root counts in the growth room test. Top:root ratio was increased in the growth room but not in the field test. Increasing the proportion of perlite generally increased rates of root extension, root counts, and top dry weights in the field and growth room experiments. However, the soil mixture had no effect on nodule dry weight at either location, or on root dry weight in the growth room.Key words: Root extension, Glycine max, indeterminate, drainage

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