ZHANG Jiazhi,ZHAO Yuhan,YANG Xiaohe,et al.Effects of Different Chemicals and Seed Coating Agents on Rice Seed Germination[J].HEILONGJIANG AGRICULTURAL SCIENCES,2026,(09):1-7.[doi:10.11942/j.issn1002-2767.2026.09.0001]
不同化学物质及种衣剂对水稻种子萌发的影响
- Title:
- Effects of Different Chemicals and Seed Coating Agents on Rice Seed Germination
- 文章编号:
- 1
- Keywords:
- cold-regin rice; seed germination; seed coating agent; plant growth regulator; seed soaking
- 文献标志码:
- A
- 摘要:
- 为筛选适宜寒地水稻的高效浸种调控物质，以垦粳8号为材料，采用单因素随机区组设计，探究不同浓度肌醇-6磷酸（IP6）、腐胺（PUT）、利农种衣剂、CS8、侧芽孢杆菌及赤霉素（GA3）对水稻种子萌发、种子活力及幼苗生长的影响。结果表明，0.15% IP6（I1）处理种子破胸率、发芽势提升幅度最大，7 d破胸率较CK提升17.00%，发芽势提升15.77%；6倍稀释CS8（C2）处理对发芽率与根长促进效果最优，发芽率较CK提升13.22%，根长提升30.49%；GA3对芽长促进效果极显著，3~9 mg·kg-1 GA3（G1~G3）处理使芽长提升50.55%~67.58%，且6 mg·kg-1 GA3发芽指数、活力指数与幼苗生物量均达最优水平。各试剂整体呈低、中浓度促进，高浓度抑制的规律，IP6 随浓度升高水稻种子霉变率显著上升，高浓度严重抑制萌发；而侧芽孢杆菌与种衣剂作用温和、安全性高。综合来看，GA3对水稻种子萌发及幼苗生长的整体调控效果最优。
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备注/Memo
收稿日期：2026-02-28 基金项目：中国科学院东北地理生态研究所黑土地保护与利用科技创新工程专项资助（XDA28100000）；黑龙江省农业科技创新跨越工程专项（CX23GG13）。 第一作者：张家智（1995-），男，硕士，研究实习员，从事水稻栽培与植物病理研究。E-mail：781325632@qq.com。 通信作者：丁俊杰（1974-），男，博士，研究员，从事作物病虫害防治研究。E-mail：me999@126.com。