Comparison of the Developmental Response of Diploid and Tetraploid &lt;i&gt;Phalaris&lt;/i&gt; Following Irradiation of the Dry Seed

Prasad, A. B.; Godward, M. B. E.

doi:10.1508/cytologia.40.535

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…The efficiency of energy conversion into growth makes use of root and shoot growth that makes it a better measurement of total growth as well as of the reduced growth effect of gamma irradiation on both of them. Studies by Prasad and Godward (1975) on the death of seedlings in Phalaris canariensis L. after X-irradiation revealed that the dying process continues over a long period, which varies with the dosage of the irradiation. Meristematic cells are progressively eliminated.…”

Section: Discussionmentioning

confidence: 99%

Efficiency of energy conversion and growth of gamma irradiated embryos and young seedlings of Triticum monococcum L. cultivar Einkorn

Well¹,

Fossey

Booyse³

2018

Journal of Radiation Research and Applied Sciences

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The study was conducted to determine whether the efficiency of energy conversion into growth can be used as an indicator for the determination of the optimal gamma irradiation dosage for mutation breeding. To meet this objective, embryo growth, shoot growth, root growth, mobilization of food reserves, respiration and energy conversion were studied in gamma-irradiated wheat Triticum monococcum L. cultivar Einkorn kernels. Kernels were exposed to 50, 150, 250 and 350 Gy and germinated. Kernels were collected 12 h after onset of imbibition and then every 12 h until 168 h. Irradiated seed demonstrated retardation in all parameters, which increased as the gamma irradiation dosage increased. For the most, dosage and time, as well as dosage by time interaction were highly significant. Root growth appeared to be the most sensitive to gamma irradiation, followed by shoot growth, mobilization of food reserves and efficiency of energy conversion. Full recovery of the efficiency of energy conversion took place at 50 Gy, with an increase in inefficiency with an increase in dosage. The point where full recovery of efficiency of energy conversion into growth gives way to incomplete recovery (100 Gy) is in line with the suggested dosages for practical mutation breeding in Triticum monococcum L. by the FAO/IAEA and is therefore an ideal indicator for predicting the dosage that will be optimal for plant mutation breeding.

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Section: Discussionmentioning

confidence: 99%

Efficiency of energy conversion and growth of gamma irradiated embryos and young seedlings of Triticum monococcum L. cultivar Einkorn

Well¹,

Fossey

Booyse³

2018

Journal of Radiation Research and Applied Sciences

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“…Each seed variety responds differently. A reduction in percent germination of canary grass seeds by X-ray radiation was observed at doses of 0.2 and 0.3 kGy, but not at 0.1 kGy (34). When lentil seeds are gamma irradiated to 0.1 kGy, Chaudhuri (35) found no significantly different from the control.…”

Section: Germination and Yield Of Irradiated Seedsmentioning

confidence: 96%

Ionizing Radiation of Seeds and Sprouts: A Review: Irradiated Seeds and Sprouts

Rajkowski¹,

Fan²,

Komolprasert³

et al. 2004

ACS Symposium Series

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The sprout seeds used for human consumption are the suspect carrier of bacterial pathogens (Salmonella and Escherichia coli O157:H7), which can cause sprout related food borne illnesses. In 2000, irradiation to doses up to 8 kGy was approved for sprout seeds as a control. Literature exists on the effect of radiation to reduce pathogens on meat and poultry products; however, literature on pathogen reduction on seeds and sprouts by ionizing radiation is limited. Review of the research results on irradiated seeds indicates that each seed variety's germination and growth are affected differently by irradiation.Under the disinfection ruling, irradiation is approved up to 1 kGy for vegetable but not for pathogen reduction. There is a petition for ready-to-eat foods that would permit the use of irradiation to a maximum dose of 4.5 kGy on fresh sprouts. Research has shown that the irradiation process is a promising technology to increase shelf-life of fresh vegetables and sprouts and reduce bacterial pathogen contamination. Future areas of research are outlined for both raw sprout and sprout seeds to identify the approach of providing a safer product for the consumer.

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Changes in Growth and Antioxidant Status of Alfalfa Sprouts during Sprouting as Affected by Gamma Irradiation of Seeds

Fan

Thayer

Sokorai

2004

Journal of Food Protection

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Viking 3000 alfalfa seeds irradiated with gamma rays to doses of 0, 1, 2, 3, or 4 kGy were sprouted and allowed to grow for up to 8 days at 23 degrees C. Germination, growth (yield and length), antioxidant capacity, and ascorbic acid (AA) were measured during sprouting. Results showed percent germination of the seeds and the rates of growth of the sprouts were inversely related to the radiation dose absorbed by the seeds. Both antioxidant capacity and AA content expressed on a fresh weight basis decreased during growth of the sprouts. Sprouts grown from irradiated seeds had greater antioxidant capacity and AA content on a fresh weight basis than those grown from nonirradiated seeds. However, when the nutritive values were expressed on a per gram of seed basis, irradiation had no effect on the nutritive values of sprouts.

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Comparison of the Developmental Response of Diploid and Tetraploid <i>Phalaris</i> Following Irradiation of the Dry Seed

Cited by 3 publications

References 11 publications

Efficiency of energy conversion and growth of gamma irradiated embryos and young seedlings of Triticum monococcum L. cultivar Einkorn

Efficiency of energy conversion and growth of gamma irradiated embryos and young seedlings of Triticum monococcum L. cultivar Einkorn

Ionizing Radiation of Seeds and Sprouts: A Review: Irradiated Seeds and Sprouts

Changes in Growth and Antioxidant Status of Alfalfa Sprouts during Sprouting as Affected by Gamma Irradiation of Seeds

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