Journal of Radiation Research and Radiation Processing, Volume. 43, Issue 2, 020401(2025)
Growth-stimulating effect of 60Co-γ ray irradiation on Idesia polycarpa seeds in M1 generation
Figures & Tables(9)
Fig. 1. Growth status of I. polycarpa under different absorbed doses（the length of the stem is 2 m）
Fig. 2. Effect of 60Co-γ ray treatment on ground diameter (a), seedling height (b), branch diameter (c), branch number (d), branch length (e), and internode length (f) of I. polycarpa; different letters represent significant differences (p<0.05)
Fig. 3. Effect of 60Co-γ ray treatment on leaf length (a), leaf width (b), petiole length (c), leaf perimeter (d), leaf area (e), and number of petiole gland points (f) of I. polycarpa; different letters represent significant differences (p<0.05)
Fig. 4. Effect of 60Co-γ ray treatment on the growth and development of I. polycarpa root
Fig. 5. Effect of 60Co-γ ray treatment on the number of secondary roots (a), the length of secondary roots (b), the thickness of secondary roots (c), and the number of tertiary roots (d) of I. polycarpa; different letters represent significant differences (p<0.05)
Fig. 6. Effect of 60Co-γ ray treatment on chlorophyll content of I. polycarpa leaves; different letters represent significant differences (p<0.05)
Fig. 7. Growth of variant plants of I. polycarpa after 60Co-γ irradiation treatment: (a) control plants (CK); (b) high-stem plants;(c) stem curved plants; (d) brachytic plants; (e) multi-branched plants; (f) dwarf plants
Table 1. Effect of different absorbed doses on I. polycarpa emergence rate and growth vigor
View tableView in ArticleTable 1. Effect of different absorbed doses on I. polycarpa emergence rate and growth vigor
吸收剂量 / Gy Absorbed dose 出苗率 / % Emergence rate 长势 Growth vigor 0 20.4e 植株长势正常 Normal individual growth vigor 30 27.4d 长势较好，植株较高Better growth vigor and better high plant height 60 37.8a 植株长势一般，较矮 General growth vigor and dwarfing 120 29.6c 长势较好，植株高 Better growth vigor and high plant height 150 33.3b 长势较好，植株高 Better growth vigor and high plant height
Table 2. Correlation analysis between 60Co-γ radiation dose and growth traits of I. polycarpa
View tableView in ArticleTable 2. Correlation analysis between 60Co-γ radiation dose and growth traits of I. polycarpa
RD LL LW LA LP GD SH chl BN BL BD DBL GPN SRN SRL SRT TRT PL RD 1 LL 0.356** 1 LW 0.517** 0.711** 1 LA 0.494** 0.794** 0.971** 1 LP 0.441** 0.839** 0.908** 0.932** 1 GD 0.392 0.162 0.529** 0.499* 0.342 1 SH 0.640** 0.189 0.627** 0.585** 0.411* 0.770** 1 chl 0.562** 0.114 0.487* 0.471* 0.302 0.377 0.578** 1 BN 0.460* 0.058 0.175 0.177 0.092 0.048 0.113 0.118 1 BL 0.670** 0.003 0.334 0.297 0.091 0.248 0.359 0.343 0.566** 1 BD 0.608** -0.013 0.278 0.239 0.047 0.261 0.333 0.329 0.592** 0.898** 1 DBL 0.360 0.003 0.332 0.211 0.155 0.439* 0.461* 0.399* 0.194 0.244 0.353 1 GPN -0.163 0.221 -0.052 0.011 0.147 0.137 0.061 -0.107 -0.125 -0.433 -0.408 -0.143 1 SRN -0.312 0.314 0.112 0.147 0.330 0.035 -0.068 -0.324 0.235 -0.265 -0.253 -0.046 0.162 1 SRL 0.784** 0.098 0.457* 0.392 0.213 0.116 0.396 0.333 0.562** 0.725** 0.688** 0.290 -0.314 -0.299 1 SRT 0.455* 0.032 0.169 0.151 0.084 0.060 0.149 0.167 0.299 0.797** 0.725** 0.066 -0.454 -0.376 0.666** 1 TRT 0.628** 0.244 0.602** 0.538** 0.379 0.409* 0.564** 0.350 0.354 0.457** 0.526** 0.566** -0.133 0.046 0.527** 0.313 1 PL 0.439* 0.114 0.368 0.372 0.305 0.290 0.387 0.485* 0.622** 0.220 0.277 0.501* 0.114 0.220 0.359 -0.065 0.423* 1
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Heng XU, Xuehua ZHAO, Wanlu ZHENG, Degui LI, Dandan ZHANG, Zicheng ZHANG, Xiang LI. Growth-stimulating effect of 60Co-γ ray irradiation on Idesia polycarpa seeds in M1 generation[J]. Journal of Radiation Research and Radiation Processing, 2025, 43(2): 020401
Paper Information
Category: RADIATION TECHNOLOGY APPLICATION
Received: Sep. 26, 2024
Accepted: Dec. 2, 2024
Published Online: May. 16, 2025
The Author Email: Xiang LI (李翔)
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