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¿Þ1¡¡The three different development classes distinguishable at flowering time after irradiation of Arabidopsis seeds. ¡Ê¸¶ÏÀʸ1¤è¤ê°úÍÑ¡£¡¡Reproduced from Environmental and Experimental Botany 20: 309-323, 1980, Fig.2(p.311), Didwine M.W.Dellaert, Dose response curves after irradiation of Arabidopsis seeds: A possible explanation for the "saturation" in mutant frequency at higher radiation doses; Copyright(1980), with permission from Elsevier Science.¡Ë
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ɽ1¡¡Mutant frequency in different M1-plant development classes after treatment with fast neutrons (Nf) or X-rays. I.=Plants with normal apical dominace; II=Plants with reduced apical dominace; III=Plants without apical dominace of the main inflorescence. ¡Ê¸¶ÏÀʸ1¤è¤ê°úÍÑ¡£¡¡Reproduced from Environmental and Experimental Botany 20: 309-323, 1980, Tab.2(p.314), with permission from Elsevier Science.¡Ë
-----------------------------------------------------------------------------------------
Irradiation No.of Non-fertilized
siliques ovules(%) Embryonic lethals(%)
-----------------------------------------------------------------------------------------
Dose
Type (Gy) µ ¶ · µ ¶ · µ ¶ ·
-----------------------------------------------------------------------------------------
Control 0 481 5¢÷ - 7.6¡Þ0.5 - - 1.0¡Þ0.2 - -
Nf 33 254 99 29 34.2¡Þ1.9 33.6¡Þ3.2 41.7¡Þ6.1 4.4¡Þ0.6 8.8¡Þ1.7 3.8¡Þ1.3
47 163 182 39 50.6¡Þ2.7 50.9¡Þ2.7 50.9¡Þ2.7 7.4¡Þ1.1 9.9¡Þ1.3 10.0¡Þ2.9
60 142 176 54 54.8¡Þ3.1 61.3¡Þ2.5 54.2¡Þ4.4 9.9¡Þ1.5 9.2¡Þ1.5 10.0¡Þ2.6
X-rays 60 443 7¢÷ 1¢÷ 13.8¡Þ0.9 - - 2.3¡Þ0.3 - -
233 430 141 29 34.4¡Þ1.5 46.0¡Þ3.0 49.4¡Þ6.6 6.4¡Þ0.6 9.4¡Þ1.6 4.8¡Þ1.7
327 92 69 13 40.4¡Þ3.3 45.6¡Þ3.0 45.4¡Þ8.9 6.5¡Þ1.4 11.7¡Þ2.7 4.2¡Þ2.8
-----------------------------------------------------------------------------------------
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Irradiation
Chlorophyll mutant freq.¡ß10-2/cell*
--------------------------------------------------------------------
Dose
Type (Gy) µ ¶ ·
--------------------------------------------------------------------
Control 0 0.01<0.11<0.87 - -
Nf 33 1.18<2.56< 5.49 0.59<2.55< 8.23 0<14.97
47 3.08<6.23<12.27 5.16<9.04<15.44 0.35< 2.64<17.91
60 1.55<4.21<11.03 0.65<2.24< 7.50 0.08< 1.05<12.19
X-rays 60 0.06<0.28< 1.25 - -
233 0.96<1.93< 3.86 1.66<4.14<10.05 1.91< 7.81<27.78
327 1.78<4.74<12.10 1.57<5.23<16.33 5.10<18.91<53.33
--------------------------------------------------------------------
*For segregation frequency recessive mutants f=0.20;90% confidence interval,z=1.645.
¢÷Items with number of siliques<10 have been omitted.
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D¡¡Ë¨²ÌȾʬ¤¢¤¿¤ê¤Î¼ï»Ò¿ô¤Çɽ¤·¤¿Ì¼ÂΨ¤ò3Ãʳ¬(0-10¡¢11-20¡¢20°Ê¾å)¤Ëʬ¤±¤Æ¡¢Ì¼ÂΨ¤ÈÍÕÎÐÁÇÆÍÁ³ÊÑ°ÛÉÑÅ٤δط¸¤òÄ´¤Ù¤¿¤È¤³¤í¡¢Ä㤢¤ë¤¤¤Ï¹âÀþÎ̾ȼͶè¤Ç¤Ï̼ÂΨ¤ÈÆÍÁ³ÊÑ°ÛÉÑÅ٤ˤϴط¸¤¬Ç§¤á¤é¤ì¤Ê¤¤¤¬¡¢ÃæÄøÅÙ¤ÎÀþÎ̾ȼͶè¤Ë¤ª¤¤¤Æ¤Ï̼ÂΨ¤Î¾å¾º¤È¶¦¤ËÆÍÁ³ÊÑ°ÛÉÑÅÙ¤¬Äã²¼¤¹¤ë¤³¤È¤¬Ç§¤á¤é¤ì¤¿(ɽ2)¡£
ɽ2¡¡Mutant frequency in different M1-fertility classes after treatment with fast neutrons (Nf) or X-rays.*Fertility classes are: 0 to 10 embryos per 1/2 silique (0-10); 11 to 20 embryos per 1/2 silique (11-20); more than 20 embryos per 1/2 silique (> 20). ¡Ê¸¶ÏÀʸ1¤è¤ê°úÍÑ¡£¡¡Reproduced from Environmental and Experimental Botany 20: 309-323, 1980, Tab.4a(p.316), with permission from Elsevier Science.¡Ë
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No.of
fertilized ovules
Irradiation No.of siliques per 1/2 silique Embryonic lethals(%)
---------------------------------------------------------------------------------
Dose
Type (Gy) 0-10 11-20 >20 0-10 11-20 >20 0-10 11-20 >20
---------------------------------------------------------------------------------
Control 0 41 54 877 4.2 16.8 28.9 16.8¡Þ4.1 6.5¡Þ2.1 1.0¡Þ0.1
Nf 33 310 241 337 5.0 15.2 26.4 9.9¡Þ1.1 8.2¡Þ0.9 4.3¡Þ0.5
47 518 221 149 3.9 15.0 24.8 12.3¡Þ1.1 8.9¡Þ1.0 6.5¡Þ0.9
60 555 165 94 3.4 14.9 24.7 16.9¡Þ1.3 11.5¡Þ1.4 5.2¡Þ1.0
X-rays 60 89 132 693 5.0 15.7 27.8 9.6¡Þ1.9 4.7¡Þ1.1 2.3¡Þ0.2
233 525 371 454 4.3 15.1 26.4 14.0¡Þ1.1 7.5¡Þ1.4 6.2¡Þ0.6
327 214 198 86 3.9 15.4 24.9 13.1¡Þ1.7 11.6¡Þ1.6 7.2¡Þ1.4
---------------------------------------------------------------------------------
----------------------------------------------------------------------------
Irradiation
Chlorophyll mutant freq.¡ß10-2/cell¢÷
----------------------------------------------------------------------------
Dose
Type (Gy) 0-10 11-20 ¡¡>20
----------------------------------------------------------------------------
Control 0 0 0 0.03¡ã 0.14¡ã 0.60
Nf 33 1.68¡ã 3.58¡ã 7.54 2.00¡ã 3.73¡ã 6.86 1.77¡ã 3.06¡ã 5.52
47 5.82¡ã 8.87¡ã13.37 4.83¡ã 7.61¡ã11.84 0.66¡å 1.21¡ã 2.21
60 3.32¡ã 5.75¡ã 9.85 0.52¡ã 1.61¡ã 4.87 0.93¡ã 2.72¡ã 7.73
X-rays 60 0.94¡ã 3.71¡ã13.88 0.02¡ã 0.25¡ã 3.11 0.38¡ã 0.80¡ã 1.66
233 4.82¡ã 7.51¡ã11.57 1.50¡ã 2.71¡ã 4.85 1.14¡ã 2.04¡ã 3.63
327 6.10¡ã10.99¡ã19.30 2.96¡ã 6.12¡ã12.33 3.14¡ã 6.55¡ã13.23
----------------------------------------------------------------------------
*All data obtained per treatment are combined,i.e.data obtained from the main and
lateral inflorescences of plants with normal apical dominance and
reduced apical dominance and the data obtained from plants without apical dominance
(including fasciation).
¢÷For segregation frequency recessive mutants f=0.20;90% confidence interval,z=1.645.
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Dose response curves after irradiation of Arabidopsis seeds: A possible explanation for the "saturation" in mutant frequency at higher radiation doses
Didwine M.W.Dellaert
Institute for Atomic Sciences in Agriculture, P.O.Box 48, Wageningen, The Netherlands
Environmental and Experimental Botany 20: 309-323, 1980
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X-ray, neutron, mutation, dose response, saturation effect, Arabidopsis thaliana, seed fertility, apical dominace, inicial cell
ʬÎॳ¡¼¥É¡§020501, 020101