花生芽对温度变化的生长动态响应

doi:10.12190/j.issn.2096-1197.2026.02.12

Journal of Northern Agriculture ›› 2026, Vol. 54 ›› Issue (2): 125-134.doi: 10.12190/j.issn.2096-1197.2026.02.12

• Agrometeorology • Previous Articles

Dynamic growth response of peanut sprouts to temperature changes

XU Haitao¹, WU Yin², LI Changhong³, MA Hongzhen¹, GUO Haibin¹, SHI Hongge¹, GAO Haiyan⁴, ZENG Jie⁴, WANG Na⁵, FENG Li⁶

1. Institute of Agricultural Products Processing, Zhumadian Academy of Agricultural Sciences/Research Center for the Sprout Processing Engineering Technology in Henan Province/Zhumadian Key Laboratory of Production and Processing of Five Cereals Sprouting Vegetables, Zhumadian 463000, China;
2. Henan Academy of Agricultural Sciences, Zhengzhou 450002, China;
3. Zhumadian Agricultural Comprehensive Administrative Law Enforcement Detachment, Zhumadian 463000, China;
4. School of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China;
5. College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China;
6. Henan Zhongkun Agricultural Technology Co., Ltd., Zhengyang 463600, China

Received:2025-10-09 Online:2026-04-20 Published:2026-06-10

Abstract

Abstract: 【Objective】 To clarify the dynamic growth response of peanut sprouts to temperature changes and to provide a reference for peanut sprout production. 【Methods】 Luhua No. 8,Yuhua 155,Yuhua 9326,and Yuhua 9719 were used as experimental materials. They were cultivated in darkness at environmental temperatures of 20,25,and 30 ℃. From the day of germination to flowering of peanut sprouts,hypocotyl length and fresh weight,radicle length and fresh weight,and radicle number were measured,and the length root to shoot ratio and the fresh weight root to shoot ratio were calculated. 【Results】 At 20,25,and 30 ℃,the growth time of each peanut sprout variety to flowering was 132,108,and 84 h,respectively. At flowering of each peanut sprout variety,the environmental temperatures for hypocotyl length （from high to low）was 25 ℃>30 ℃>20 ℃,while the hypocotyl fresh weight was 25 ℃>30 ℃>20 ℃. The environmental temperatures for radicle length（from high to low）of Luhua No. 8,Yuhua 155,and Yuhua 9326 were 25 ℃>30 ℃>20 ℃,and Yuhua 9719 was 25 ℃>20 ℃>30 ℃. Radicle fresh weight of Luhua No. 8,Yuhua 9326,and Yuhua 9719 were 25 ℃>30 ℃>20 ℃,while Yuhua 155 was 30 ℃>25 ℃>20 ℃. The radicle numbers of Luhua No. 8 and Yuhua 9326 were 30 ℃>25 ℃>20 ℃,while Yuhua 155 and Yuhua 9719 were 25 ℃>30 ℃>20 ℃. The environmental temperatures for length root to shoot ratio（from high to low） of Luhua No. 8,Yuhua 155,and Yuhua 9326 were 20 ℃>30 ℃>25 ℃,while Yuhua 9719 was 20 ℃>25 ℃>30 ℃. Fresh weight root to shoot ratio of Luhua No. 8 was 30 ℃>25 ℃>20 ℃,Yuhua 155 and Yuhua 9326 were 30 ℃>20 ℃>25 ℃,and Yuhua 9719 was 20 ℃>25 ℃>30 ℃. Correlation analysis showed that all growth traits of peanut sprouts were extremely significantly positively correlated at 20,25,and 30 ℃（P<0.01）. The correlation coefficients at 20 ℃ were 0.968 5 to 0.994 9,the correlation coefficients at 25 ℃ were 0.952 7 to 0.998 4,and the correlation coefficients at 30 ℃ were 0.976 9 to 0.997 9. 【Conclusion】 An environmental temperature of 25 ℃ can ensure optimal dynamic growth advantages for hypocotyl length,hypocotyl fresh weight,radicle length,radicle fresh weight,radicle number,length root to shoot ratio,and fresh weight root to shoot ratio of peanut sprouts.

Key words: Peanut sprouts, Environmental temperature, Dynamic growth, Hypocotyl, Radicle, Root to shoot ratio

CLC Number:

S649

XU Haitao, WU Yin, LI Changhong, MA Hongzhen, GUO Haibin, SHI Hongge, GAO Haiyan, ZENG Jie, WANG Na, FENG Li. Dynamic growth response of peanut sprouts to temperature changes[J].Journal of Northern Agriculture, 2026, 54(2): 125-134.

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Dynamic growth response of peanut sprouts to temperature changes

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