Effect of gamma radiation on wheat plant growth due to impact on gas exchange characteristics and mineral nutrient uptake and utilization

Singh, Bhupinder; Ahuja, Sanjeev; Singhal, R. K.; Babu, Prashanth

doi:10.1007/s10967-012-2342-5

Cited by 35 publications

(19 citation statements)

References 27 publications

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“…In addition, 11 of the 41 protein spots were identifi ed as the RuBisCO large subunit, and were detected in groups A, E, G and I. Previously, at a higher dose of 100 Gy, there was a drastic reduction in the fl ag leaf membrane stability index (MSI), photosynthesis, RuBisCO, nitrate reductase (NR), and nutrients (Singh et al 2013). Moreover, there was also a gradual decrease in the concentration with increased irradiation dosages for 6kR, which indicates that the rbcL genes that are responsible for coding the RuBisCO enzyme were inhibited in mulberry (Reddy et al 2103).…”

Section: Discussionmentioning

confidence: 99%

The effects of chronic radiation of gamma ray on protein expression and oxidative stress inBrachypodium distachyon

Kim

Hong

Park

et al. 2015

International Journal of Radiation Biology

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Section: Discussionmentioning

confidence: 99%

The effects of chronic radiation of gamma ray on protein expression and oxidative stress inBrachypodium distachyon

Kim

Hong

Park

et al. 2015

International Journal of Radiation Biology

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“…This difference was similar between species (Figures 2 and 3). In contrast, Singh and Datta (2010) and Singh et al (2013) reported that the dry matter weight increased at 700 Gy and that the effect on the SL of wheat was insignificant at 500 Gy. In another study, these authors found that at 50 Gy, root biomass and length were increased.…”

Section: Effect Of the Radiation Dose On Seedling Growthmentioning

confidence: 89%

“…This result is novel because of two aspects. First, only few works have determined the effects of radiation on stem survival (Singh et al, 2013;Sparrow et al, 1971), and have shown different sensitivity to gamma radiation between germination and stem survival. Second, it confirms the high sensitivity of wheat and triticale seeds to gamma radiation, even at twelve days after germination.…”

Section: Effect Of the Radiation Dose On Seedling Growthmentioning

confidence: 99%

Effect of different gamma radiation doses on the germination and seedling growth of wheat and triticale cultivars

Pane¹,

López²,

Cantamutto³

et al. 2018

Aust J Crop Sci

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Plan breeding of wheat and triticale in Argentina is based on the objective of improving an individual crop, with respect to resistance to drought stress. The use of gamma radiation holds promise for physiological crop improvement. The objective of this study was to determine and compare the effect of different gamma radiation doses on the germination and seedling growth of Argentine wheat and triticale cultivars. Seeds of wheat cv. Baguette 10 and triticale cv. Espinillo INTA were irradiated at doses of 0, 50, 200, 400, 550, 700, 850 and 1000 Gy s-1. The final germination percentage (FGP), sprout length (SL) and median lethal dose (LD 50) were used as metrics of germination, seedling growth and lethal dose, respectively. Two experimental designs were used. First, a completely randomized factorial was used to compare the effect of the doses within species by using ANOVA; second, a completely repeated measures design was used to evaluate the effect of days after germination on plant survival by species using a mixed linear model. The results suggest that at the early germination stage, gamma radiation limited root growth and stem length. The FGP of wheat seeds was significantly affected by gamma radiation at a dose of 550 Gy, whereas triticale seeds were significantly affected at a dose of 700 Gy. The SL of both species was similarly affected at 50 Gy. The stem mortality of wheat and triticale seeds increased at an increasing gamma radiation dose and days after germination. Finally, the LD 50 value for wheat and triticale seeds was ~450 Gy. These results might be useful to set a benchmark of the effect of the gamma radiation dose to induce mutations in wheat and triticale seeds from Argentine cultivars.

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“…However, Rubisco activity did not decline in response to gamma irradiation treatment in wheat and that an increase in total carboxylation efficiency was measured in comparison to the unirradiated control at low doses. Nitrate reductase activity, on the other hand, declined even at low doses 87 .…”

Section: Gamma Irradiation and Activity Of Functional Enzymesmentioning

confidence: 95%

Gamma Ray Irradiation for Crop Protection Against Salt Stress

et al. 2017

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Legumes have tremendous dietary value for human nutrition. However, the productivity of food legumes is always compromised owing to their insufficient ability to tolerate abiotic stresses such as drought or water logging, marginal soil, low/high temperatures and salt stress. Stress induces changes at the morphological, physiological, biochemical and molecular level which are consequently manifested in terms of reduced seed yield and quality. Salt stress is one of the most important constraints to crop production particularly in the arid and semi-arid regions of the world. Low dose of ionising radiation like gamma ray is reported to induce growth and several other physiological attributes in non-legume and legume crops. Relationship between seed gamma irradiation and salinity stress response could be related to favourable maintenance of gas exchange attributes (P n , g s and E), 14 C partitioning, activity of antioxidative enzymes (SOD, CAT and POX), membrane stability index (MSI) K+ to Na+ ratio, proline and glycine betaine content. One or more mechanisms may contribute simultaneously towards salt tolerance response of crop plants. The present review critically analyses the effect of gamma ray irradiation on growth and development of legumes under salt stress and evaluates the contribution of various physiological and biochemical mechanisms towards radiation mediated alleviation of salt stress response.

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Effect of gamma radiation on wheat plant growth due to impact on gas exchange characteristics and mineral nutrient uptake and utilization

Cited by 35 publications

References 27 publications

The effects of chronic radiation of gamma ray on protein expression and oxidative stress inBrachypodium distachyon

The effects of chronic radiation of gamma ray on protein expression and oxidative stress inBrachypodium distachyon

Effect of different gamma radiation doses on the germination and seedling growth of wheat and triticale cultivars

Gamma Ray Irradiation for Crop Protection Against Salt Stress

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