稀土积累与油菜菌核病发生的关系研究

应用生态学报 ›› 2002, Vol. ›› Issue (5): 589-592.

稀土积累与油菜菌核病发生的关系研究

章健, 承河元, 金旺枝, 李国良, 张自立

安徽农业大学植保系, 合肥 230036

收稿日期:2000-04-03 修回日期:2000-05-30
通讯作者: 章健,女,1965年生,硕士,副教授,从事植物病理学和环境微生物学研究,发表论文14篇.
基金资助:
国家自然科学基金重大资助项目(29890280)

Relationship between rare earth accumulation and rape sclerotiniose

ZHANG Jian, CHENG Heyuan, JIN Wangzhi, LI Guoliang, ZHANG Zili

Department of Plant Protection, Anhui Agricultural University, Hefei 230036

Received:2000-04-03 Revised:2000-05-30

摘要/Abstract

摘要： 在试验生态小区的土壤中,模拟长期使用稀土,以探讨稀土积累与油菜菌核病发生发展的关系.结果表明,0.5%、1%、3%、5%、7%、10%吸附容量和0.6kg·hm^-2的稀土以及土壤中3.0kg·hm^-2和0.6kg·hm^-2的稀土复合肥添加剂对油菜菌核病自然发生的病情指数和病株率影响无显著差异;对人工接种发病后的病斑绕茎度、病斑扩展速率、单株平均产量和千粒重的影响也无显著差异.

关键词: 稀土, 油菜菌核病, 病情指数, 景观异质性, 尺度效应, 黄河中下游, 诱捕盘法, 传粉昆虫多样性

Abstract: Field plot experiment with long term application of rare earth fertilizers showed that 0.5～10% of adsorption capactiy and 0.6kg·hm^-2 of rare earth application had no remarkable effect on natural incidence of rape sclerotiniose,ratio of diseased plants,natural disease index,expanding rate of diseased spots,yield of single plant,and 1000 seed weight.

Key words: Rare earth, Rape sclerotiniose, Disease index, multi-scale effects, pollinators diversity, landscape heterogeneity, pan traps, the lower reaches of the Yellow River.

中图分类号:

S435.654

章健, 承河元, 金旺枝, 李国良, 张自立. 稀土积累与油菜菌核病发生的关系研究[J]. 应用生态学报, 2002, (5): 589-592.

ZHANG Jian, CHENG Heyuan, JIN Wangzhi, LI Guoliang, ZHANG Zili . Relationship between rare earth accumulation and rape sclerotiniose[J]. Chinese Journal of Applied Ecology, 2002, (5): 589-592.

参考文献

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