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Acta Agronomica Sinica ›› 2025, Vol. 51 ›› Issue (10): 2750-2758.doi: 10.3724/SP.J.1006.2025.54031

• TILLAGE & CULTIVATION·PHYSIOLOGY & BIOCHEMISTRY • Previous Articles     Next Articles

Comparative analysis of field traits among different generations of virus-free chewing cane

DING Chu-Wei1(), LYU Yong-Ping1(), WANG Yi-Ting1,2, MAO Ling-Rong3, MOU Hao-Jie1, LI Hai-Ying1, CHEN Jian-Ping1,2,4, CHEN Zhi1,*()   

  1. 1Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
    2Key Laboratory of Green Plant Protection, Zhejiang Province, P.R. China, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
    3Wenling Agriculture, Rural Affairs and Water Resources Bureau, Taizhou 317599, Zhejiang, China
    4Institute of Plant Virology, Ningbo University, Ningbo 315211, Zhejiang, China
  • Received:2025-03-02 Accepted:2025-07-09 Online:2025-10-12 Published:2025-07-15
  • Contact: *E-mail: czdmh@163.com E-mail:17857028304@163.com;lvyongp@163.com;czdmh@163.com
  • About author:First author contact:**Contributed equally to this work
  • Supported by:
    Research and Development of Integrated Equipment System for Industrial-scale Plant Tissue Culture Production and Its Industrialization Application Fund(2024R30A24B02)

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Abstract:

To investigate the effect of virus-free plantlets on chewing cane, a comparative analysis of field traits and juice quality was conducted using three types of planting materials: self-preserved cuttings, first-generation virus-free plantlets, and second-generation virus-free plantlets, with the chewing cane cultivar ‘Guangdong Huangpi' as the experimental material. The results showed that the second-generation virus-free chewing cane exhibited the best field performance among the three sources. Compared with the self-preserved and first-generation virus-free plantlets, the second-generation plantlets showed increases in plant height by 9.08% and 5.80%, respectively (with edible stalk height increasing by 13.64% and 7.19%); stalk diameter increased by 13.98% and 9.71%; and yield increased by 47.76% and 63.72%, reaching 159.5 t hm-2. Juice extractionrate increased by 3.64% and 9.17%, respectively, while total sugar content in the juice decreased by 10.14% and 12.73%. No significant differences were observed among the three treatments in terms of juice density, Brix, or fiber content. Additionally, there were no significant differences in yield or juice quality between the self-preserved and first-generation virus-free materials. These findings suggest that virus-free tissue-cultured seedlings can be used as first-generation seedcane for producing virus-free chewing cane, with optimal transplanting time between March and April. Overall, compared to first-generation virus-free seedlings, the second-generation virus-free chewing cane seedlings—derived from seedcane harvested from the first-generation—are more suitable for commercial cultivation due to their superior growth and yield performance.

Key words: chewing cane, virus-free seedlings, seedcane, field traits, yield

Table 1

Effects of different planting times on first-generation seedcane derived from virus-free tissue-cultured chewing cane plantlets"

种植时间
Planting time (month-day)		 株高
Plant height (cm)		 茎长
Stalk length (cm)		 茎粗
Stalk thickness (mm)		 每茎节间数
Internodes per stalk		 每丛茎数
Stalk per clump
03-15 306.17±14.69 a 251.44±15.07 a 37.43±2.25 a 19.67±1.57 a 4.61±0.61 a
04-01 302.50±25.24 ab 248.17±24.72 a 38.84±1.52 a 20.50±1.93 a 5.00±1.48 a
04-16 288.08±17.48 b 235.58±18.87 a 37.15±3.57 a 20.08±1.44 a 5.00±1.71 a
05-01 260.21±25.09 c 207.36±25.46 b 38.25±3.45 a 18.00±2.25 b 4.29±1.38 a

Fig. 1

Growth rate of chewing cane from different seed sources"

Table 2

Effects of different seed sources on field growth traits of chewing cane"

年份
Year		 种源
Seed source		 株高
Plant height
(cm)		 茎粗
Stalk thickness (mm)		 每茎节间数
Internodes stalk-1		 节间长
Internode length (cm)		 可食茎长
Length of edible stalk (cm)		 可食茎鲜质量
Fresh mass of edible stalk (kg)
2022 自留种
Self preserved seedcane		 311.75±14.82 c 35.80±2.62 c 26.00±1.82 a 10.10±0.71 b 262.81±12.38 c 2.36±0.08 b
脱毒一代
First generation of virus- free seedcane		 327.31±13.42 b 37.87±2.67 b 22.00±1.09 c 12.31±0.45 a 272.31±13.78 b 2.15±0.47 b
脱毒二代
Second generation of virus-free seedcane		 341.75±9.19 a 43.31±2.16 a 24.00±1.45 b 11.99±0.65 a 288.56±9.39 a 3.52±0.39 a
2023 自留种
Self preserved seedcane		 314.50±9.42 b 37.54±1.89 b 18.25±1.06 c 13.40±0.58 a 244.17±9.87 c 2.52±0.24 b
脱毒一代
First generation of virus- free seedcane		 318.42±12.18 b 38.23±1.54 b 21.17±3.04 b 12.67±1.39 ab 264.58±10.87 b 2.25±0.46 b
脱毒二代
Second generation of virus-free seedcane		 341.33±16.43 a 40.16±2.62 a 23.25±1.36 a 12.35±0.70 b 286.83±19.87 a 3.67±0.05 a

Fig. 2

Seedlings and late-stage growth performance of chewing cane from different seed sources A: seedlings from the first generation of tissue cultured virus-free chewing cane; B: sprouts obtained from the seedcane produced by the first generation of virus-free chewing cane; C: chewing cane at the harvest stage."

Fig. 3

Yield of chewing cane from different seed sources Different lowercase letters indicate significant difference (P < 0.05)."

Table 3

Effects of different seed sources on the quality of chewing cane juice"

年份
Year		 种源
Seed sources		 出汁率
Juice rate
(%)		 密度
Density
(g mL-1)		 锤度
Brix
(°Bx)		 总糖含量
Total sugar content (%)		 蔗糖含量Sucrose content (%) 果糖含量Fructose content (%) 葡萄糖含量
Glucose content (%)		 粗纤维含量
Crude fiber content (%)
2022 自留种
Self preserved seedcane		 65.67±1.85 ab 1.04±0.01 a 12.37±0.35 a 9.66±0.54 a 7.20±1.18 a 1.58±0.74 a 0.88±0.10 a 2.20±0.44 a
脱毒一代
First generation of virus-free seedcane		 63.22±1.99 b 1.04±0.00 a 12.13±0.42 a 9.95±0.31 a 8.13±0.32 a 0.85±0.04 ab 0.97±0.03 a 2.13±0.32 a
脱毒二代
Second generation of virus-free
seedcane		 67.62±0.97 a 1.04±0.00 a 12.10±0.26 a 8.68±0.28 b 7.13±0.50 a 0.67±0.12 b 0.87±0.13 a 2.53±0.06 a
2023 自留种
Self preserved seedcane		 64.27±3.24 ab 1.03±0.01 a 11.67±0.31 a 10.41±0.09 a 8.57±1.35 a 0.97±0.32 a 0.87±0.20 a 2.13±0.15 a
脱毒一代
First generation of virus-free seedcane		 60.19±3.65 b 1.04±0.01a 12.63±0.25 a 10.03±0.54 a 8.30±0.70 a 0.77±0.04 a 0.97±0.13 a 2.13±0.12 a
脱毒二代
Second generation of virus-free
seedcane		 67.03±0.74 a 1.04±0.00 a 12.87±0.23 a 10.04±0.32 a 8.13±0.31 a 0.87±0.06 a 1.03±0.06 a 2.30±0.10 a
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