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Effect of gamma irradiation on the indole acetic acid synthesizing system and its significance in sprout inhibition of potatoes 辐照对吲哚乙酸合成体系的影响及其在马铃薯抑芽中的意义
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80015-3
K. K. Ussuf, Nair Pm
{"title":"Effect of gamma irradiation on the indole acetic acid synthesizing system and its significance in sprout inhibition of potatoes","authors":"K. K. Ussuf, Nair Pm","doi":"10.1016/S0033-7560(74)80015-3","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80015-3","url":null,"abstract":"","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91195266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 40
Effects of ionizing irradiation on mushrooms as influenced by physiological and environmental conditions 生理和环境条件下电离辐照对蘑菇的影响
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80020-7
J. Skou, K. Bech, Kirsten Lundsten
{"title":"Effects of ionizing irradiation on mushrooms as influenced by physiological and environmental conditions","authors":"J. Skou, K. Bech, Kirsten Lundsten","doi":"10.1016/S0033-7560(74)80020-7","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80020-7","url":null,"abstract":"","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88307588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Effects of chronic gamma radiation on the composition of the herb community of an oak-pine forest* 慢性γ辐射对栎树松林草本植物群落组成的影响
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80017-7
E. Flaccus, T. Armentano, M. Archer
{"title":"Effects of chronic gamma radiation on the composition of the herb community of an oak-pine forest*","authors":"E. Flaccus, T. Armentano, M. Archer","doi":"10.1016/S0033-7560(74)80017-7","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80017-7","url":null,"abstract":"","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83594913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
The effects of ultra-violet irradiation on survival and on nucleic acids and protein synthesis in plant protoplasts 紫外线照射对植物原生质体存活及核酸和蛋白质合成的影响
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80026-8
K. Ohyama, L. Pelcher, O. Gamborg
{"title":"The effects of ultra-violet irradiation on survival and on nucleic acids and protein synthesis in plant protoplasts","authors":"K. Ohyama, L. Pelcher, O. Gamborg","doi":"10.1016/S0033-7560(74)80026-8","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80026-8","url":null,"abstract":"","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82706712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Effect of simulated dew on fallout retention and beta radiation damage to a bean crop 模拟露珠对豆荚作物沉降物滞留和辐射危害的影响
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80018-9
R. Schulz, J. Ulrich, K. L. Babcock
{"title":"Effect of simulated dew on fallout retention and beta radiation damage to a bean crop","authors":"R. Schulz, J. Ulrich, K. L. Babcock","doi":"10.1016/S0033-7560(74)80018-9","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80018-9","url":null,"abstract":"","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75755833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Induction and photoreversal of bean leaf peroxidase isoenzymes by germicidal and near ultraviolet radiation 杀菌和近紫外辐射对大豆叶片过氧化物酶同工酶的诱导及光逆转作用
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80014-1
H. Habeck, C.R. Curtis
{"title":"Induction and photoreversal of bean leaf peroxidase isoenzymes by germicidal and near ultraviolet radiation","authors":"H. Habeck,&nbsp;C.R. Curtis","doi":"10.1016/S0033-7560(74)80014-1","DOIUrl":"10.1016/S0033-7560(74)80014-1","url":null,"abstract":"<div><p>The effects of germicidal u.v. and near-u.v. irradiation on bean leaf peroxidase activity were studied by means of isoelectric focusing techniques. The results indicated that peroxidase levels can be stimulated in detached leaves by an appropriate dose of germicidal u.v. The peroxidase stimulation due to germicidal u.v. irradiation could be partially reversed by a subsequent exposure to near-u.v. Near-u.v. alone at lower exposures failed to stimulate peroxidase activity. By isoelectric focusing of samples of leaf extracts it was determined that two peroxidase isoenzymes were induced by germicidal u.v. These two isoenzymes were absent in control leaves receiving no irradiation. The isoenzymes could be induced by germicidal u.v. and then reduced in activity by exposing the leaves to near-u.v. Among several peroxidase isoenzymes induced by the tumor producing bacterial pathogen, <em>Agrobacterium tumefaciens</em>, two were similar in isoelectric points to the two isoenzymes induced by germicidal u.v.</p></div>","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0033-7560(74)80014-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75124010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Effect of recurrent mutagen seed treatments on mutation frequency and combining ability for forage yield in pearl millet (Pennisetum americanum (L.) K. Schum.) 反复诱变剂种子处理对珍珠粟(Pennisetum americanum (L.))饲料产量突变频率和配合力的影响k . Schum)。
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80024-4
G.W. Burton (Research Geneticist) , J.B. PowellResearch Geneticist , W.W. HannaResearch Geneticist
{"title":"Effect of recurrent mutagen seed treatments on mutation frequency and combining ability for forage yield in pearl millet (Pennisetum americanum (L.) K. Schum.)","authors":"G.W. Burton (Research Geneticist) ,&nbsp;J.B. PowellResearch Geneticist ,&nbsp;W.W. HannaResearch Geneticist","doi":"10.1016/S0033-7560(74)80024-4","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80024-4","url":null,"abstract":"<div><p>The effects of 3 cycles of recurrent seed treatment with thermal neutrons (TN), ethyl methane sulfonate (EMS), and diethyl sulfate (DS) on mutant frequency and combining ability in pearl millet (<em>Pennisetum americanum</em> (L.) K. Schum., formerly <em>P. typhoides</em>) were studied for eleven years. TN seed treatments gave the highest percentages of M<sub>1</sub> striped plants, the lowest percentage of M<sub>1</sub> selfed seed set, and the highest M<sub>2</sub> frequency of chlorophyll-deficient seedlings of the mutagens tested. Combining a low dose of EMS or DS with high and low TN treatments generally increased these effects. Normal lines, which looked like the controls, selected from lines subjected to 3 cycles of mutagen treatment, were compared with controls in 3 × 3 or larger Design II hybrid matings in 9 × 9 forage-yield trials. The 1,637 singlecrosses between normal lines from mutagen treatment failed to exceed the 825 control singlecrosses in average forage yield or highest forage yield. These results suggest that pearl millet has many specific-yield genes, none of which exerts a very great effect on yield. Genetic variances estimated from the Design II diallels were not significantly altered by mutagen seed treatment. EMS treatments increased the percentage of non-additive genetic variance over that in the control and TN treatments, but the failure of any of the 486 hybrids from EMS lines to outyield the best control hybrid suggested that these variance estimates might not be significant. The study suggests that attempts to improve the combining ability of inbred lines of pearl millet by mutagen treatment without several cycles of recurrent selection are not likely to succeed.</p></div>","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0033-7560(74)80024-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91741449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Respiration rates of red pine along a gradient of gamma radiation following eight years of exposure 8年辐照后沿辐射梯度的红松呼吸速率
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80025-6
C. Jordan
{"title":"Respiration rates of red pine along a gradient of gamma radiation following eight years of exposure","authors":"C. Jordan","doi":"10.1016/S0033-7560(74)80025-6","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80025-6","url":null,"abstract":"","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81268179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of gamma irradiation on the indole acetic acid synthesizing system and its significance in sprout inhibition of potatoes 辐照对吲哚乙酸合成体系的影响及其在马铃薯抑芽中的意义
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80015-3
K.K. Ussuf, P.M. Nair
{"title":"Effect of gamma irradiation on the indole acetic acid synthesizing system and its significance in sprout inhibition of potatoes","authors":"K.K. Ussuf,&nbsp;P.M. Nair","doi":"10.1016/S0033-7560(74)80015-3","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80015-3","url":null,"abstract":"<div><p>Gamma irradiation interfered with the synthesis of the IAA synthesizing system and exogenous application of 20 ppm IAA within 6 hr after irradiation, triggered the synthesis of this enzyme. This fact is ascertained by the inhibition with protein synthesis inhibitors such as actinomycin D, puromycin and cyclohexamide, on the recovery of enzyme activity on treatment with IAA. Irradiation accelerated the degradation of the existing enzyme by activating proteolytic activity. IAA in irradiated potatoes is completely depleted and this is associated with the activation of H<sub>2</sub>O<sub>2</sub> dependent IAA oxidase. A 50 per cent decrease in the level of tryptophan, the substrate for IAA synthesis is observed at 24 hr after irradiation.</p></div>","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0033-7560(74)80015-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91741443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 40
Mutations induced in red gram (Cajanus cajan (L) Millsp.) by gamma radiation and EMS 伽玛辐射和电磁辐射诱导红毛豆(Cajanus cajan (L) Millsp.)突变
Radiation Botany Pub Date : 1974-12-01 DOI: 10.1016/S0033-7560(74)80013-X
W. Mohamed Ali Khan, R. Veeraswamy
{"title":"Mutations induced in red gram (Cajanus cajan (L) Millsp.) by gamma radiation and EMS","authors":"W. Mohamed Ali Khan,&nbsp;R. Veeraswamy","doi":"10.1016/S0033-7560(74)80013-X","DOIUrl":"https://doi.org/10.1016/S0033-7560(74)80013-X","url":null,"abstract":"<div><p>The seeds of Co. 1 red gram (<em>Cajanus cajan (L) Millsp.)</em> were treated with gamma rays (0, 14, 16, 18, 20, 22, 24 and 26 kR) and EMS (0, 60, 70 and 80 mM for 4 hr at room temperature) and observations were recorded in the M<sub>1</sub> and M<sub>2</sub> generations. The chlorophyll mutations in M<sub>2</sub> were maximum at 24 kR of gamma rays and 70 mM of EMS, but the maximum frequency of viable mutations was noted around 16 kR and 60 mM. The percentage of viable mutations was found to be greater for gamma ray treatments compared to those for EMS. Some morphological mutants have been reported for the first time.</p></div>","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0033-7560(74)80013-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91741444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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