水稻纹枯病时空生态位施药干扰研究

应用生态学报 ›› 2005, Vol. 16 ›› Issue (8): 1493-1496.

水稻纹枯病时空生态位施药干扰研究

王子迎^1,3, 檀根甲²

1. 安徽教育学院生物系, 合肥 230061;
2. 安徽农业大学植保系, 合肥 230036;
3. 南京农业大学农业部病虫监测与治理重点开放实验室, 南京 210095

收稿日期:2004-07-26 修回日期:2004-10-29 出版日期:2005-08-15 发布日期:2005-08-15
通讯作者: 王子迎,男,1976年生,博士研究生,讲师.主要从事生态植物病理学和流行学研究.Tel:025-84396972;E-mail:sjywzy@yahoo.com.cn
基金资助:
安徽省自然科学基金项目(97411001,03041404)和安徽省"十五"科技攻关资助项目(01013011).

Effects of fungicide on temporal and spatial niches of Rhizoctonia solani

WANG Ziying^1,3, TAN Genjia ²

1. Department of Biology, Anhui Institute of Education, Hefei 230061, China;
2. Department of Plant Protection, Anhui Agricultural University, Hefei 230036, China;
3. Key Laboratory of Monitoring and Management of Plant Disease and Insects of Agriculture Ministry, Nanjing Agricultural University, Nanjing 210095, China

Received:2004-07-26 Revised:2004-10-29 Online:2005-08-15 Published:2005-08-15

摘要/Abstract

摘要： 以施药作为干扰因子,研究干扰条件下水稻纹枯病菌的时间和空间生态位变化.结果表明,各施药处理与对照纹枯病菌的空间生态位存在差异,其中孕穗期施药+齐穗期施药和孕穗期施药+灌浆期施药两处理的空间生态位宽度指数分别为0.520、0.572,与对照的空间生态位宽度指数0.8563相差最大;分蘖盛期一次施药处理的空间生态位宽度指数为0.8577,与对照相差最小.各施药处理和对照的时间生态位宽度无显著差异,表明施药对纹枯病菌的时间生态位宽度影响不大.空间生态位宽度指数、病叶(鞘)率、病情指数及防治效果等计测结果表明,两次施药对病害的控制好于一次施药,其中两次施药中以孕穗期施药+齐穗期施药和孕穗期施药+灌浆期施药对病害的控制作用最强.施药不但压缩了水稻纹枯病菌的空间生态位宽度,限制了其在产量形成较为重要的上部叶位的扩张,而且压缩了水稻纹枯病菌的时间生态位宽度,限制了其在水稻产量形成时期的扩张.但施药只改变了病菌生态位的分布,调整压缩了水稻产量形成期的病害生态位,病菌生态位势的总和不变.

关键词: 水稻纹枯病, 生态位, 生态位宽度

Abstract: This paper studied the variation of the temporal and spatial niches of rice sheath blight-causing Rhizoctonia solani under spraying fungicide.The results showed that between fungicide treatments and control,the spatial niche breadth of Rhizoctonia solani was different,while its temporal niche breadth was similar.The spatial niche breadth of Rhizoctonia solani was 0.5240 when spraying fungicide at booting and full heading stages,0.5742 at booting and milkfilling stages,and 0.8577 at tillering stage,while the control was 0.8563.Spraying fungicide had little effect on temporal niche breath.The spatial niche breath,percentage of diseased leaves and sheathes,index of disease,and control effect all suggested that spraying fungicide two times in rice growth period was better than spraying it one time.Spraying fungicide at booting and full heading stages and at booting stage and milkfilling stages had the best effects.Fungicide could not only narrow the spatial niche breadth,limit the spread of Rhizoctonia solani on top leaves which were important for the yield,but also narrow the temporal niche breadth,limit the spread of Rhizoctonia solani during the yield formation period of rice.But,spraying fungicide only changed the distribution of the fungus niches and narrowed the niches during rice yield formation period,with no changes in the whole niches of Rhizoctonia solani.

Key words: Rice sheath blight, Niche, Niche breadth

中图分类号:

王子迎, 檀根甲. 水稻纹枯病时空生态位施药干扰研究[J]. 应用生态学报, 2005, 16(8): 1493-1496.

WANG Ziying, TAN Genjia . Effects of fungicide on temporal and spatial niches of Rhizoctonia solani[J]. Chinese Journal of Applied Ecology, 2005, 16(8): 1493-1496.

参考文献

[1] Ding K-J(丁克坚),Tan G-J(檀根甲).1992.Studies on the damage of rice sheath blight and the concerned factors.Anhui Agric Coll(安徽农学院学报),19(2):144～149(in Chinese)
[2] Fleet NL,Rush MC.1983.Rice sheath blight:A major rice disease.Plant Dis,67:829～832
[3] Gao Z-X(高增祥),Ji R(季荣),Xu R-M(徐汝梅),et al.2003.Biological invasions:Process,mechanism and prediction.Acta Ecol Sin(生态学报),23(3):559～570(in Chinese)
[4] Grinnel J.1917.The nice-relationships of the California thrasher.The Auk,34(4):427～433
[5] Holt RD,Michael EH.1997.When biological control evolutionarily stable(or is it)? Ecology,78(6):1673～1683
[6] Hutchinson GE.1978.An Introduction to Population Ecology.New Yale:Haven University Press.54～66
[7] Kaszubiak A,Klein S,Hoogb GS,et al.2004.Population structure and evolutionary origins of Microsporumcanis,M.ferrugineum and M.audouinii.Infect Genet Evol,4:179～186
[8] Katja S,Sonja M,Roy AN,et al.2004.Trophic niche differentiation in soil microarthropods(Oribatida,Acari):Evidence from stable isotope ratios(15N/14N).Soil Biol Biochem,36(11):1769～1774
[9] Laurie RG,Gins MS,William LJ,et al.2004.Dental use wear in extinct lemurs:Evidence of diet and niche differentiation.J Hum Evol,47(3):145～169
[10] Levins R.1968.Evolution in Changing Environment.Princeton:Princeton University Press.120～120
[11] Li Y(李瑶),Cheng H-Y(承河元).2000.Niche breadth of gymnosporangium hareanum.Chin J Appl Ecol(应用生态学报),11(4):612～614(in Chinese)
[12] Ma F-Y(马富裕),Shao J-H(邵继红),Li L-H(李鲁华).2004.Principle of "multiple ecological niche of one-species(variety)"and its application in high yield cotton cultivation.Chin J Appl Ecol(应用生态学报),15(7):1285～1288(in Chinese)
[13] MiaoY(缪勇),ZouY-D(邹运鼎),SunS-J(孙善教),et al.2003.Spatial and temporal niches of Aphis gossypii and its predatory enemies.Chin J Appl Ecol(应用生态学报),14(4):549～552(in Chinese)
[14] Miyake I.1910.Studies on the fungus diseases of rice in Japan.J Coll Agric Imper Tokyo Univ,2:237～276
[15] NATESC(全国农业技术推广服务中心).2002.Current trends of major diseases and pests of crops in China in 2002.World Agric(世界农业),6:24～25(in Chinese)
[16] Q in Y-C(秦玉川),Shen Z-R(沈佐锐),Huang K-X(黄可训).1994.On niche of Tetranychus viennensis,Panonychus ulmi and their predatory enemies-Trophic niches.Acta Ecol Sin(生态学报),14(1):1～8(in Chinese)
[17] Rabin R,Vidhyasekaran P.1996.Development of a formulation of Pseudomonas fluorescens PfALR2 for management of rice sheath blight.Crop Prot,15(8):715～721
[18] Rush MC,Lindberg GD.1996.Rice disease research.Rice J,77:49～52
[19] Schlosser IJ.1998.Niche relationships of clonal and sexual fish in a heterogeneous landscape.Ecology,79(3):953～968
[20] Shang Y-C(尚玉昌).2002.General Ecology(2rd ed).Beijing:Beijing University Press.(in Chinese)
[21] Silvertown J.2004.Plant coexistence and the niche.Trends Ecol Evol,19(11):605～611
[22] Su Z-Y(苏志尧),Wu D-R(吴大荣),Chen B-G(陈北光).2003.Niche characteristics of dominant population in natural forest in north Guangdong.Chin J Appl Ecol(应用生态学报),14(1):25～29(in Chinese)
[23] Tan G-J(檀根甲),Wang Z-Y(王子迎).2002.Temporal and spatial niches of rice sheath blight.Chin J Rice Sci(中国水稻科学),16(2):182～184(in Chinese)
[24] Tan G-J(檀根甲),Wang Z-Y(王子迎),Wu F-F(吴芳芳).2003.Trophic and host niches of rice sheath blight fungus.Acta Ecol Sin(生态学报),23(1):205～210(in Chinese)
[25] Wang Z-Y(王子迎),Wu F-F(吴芳芳),Tan G-J(檀根甲).2000.Niche theory and its application prospects in plant disease.J Anhui Agric Univ(安徽农业大学学报),27(3):250～253(in Chinese)
[26] Yuan X-P(袁筱萍),Wei X-H(魏兴华),Yu H-Y(余汉勇),et al.2004.Effects of different cultivars and relative factors on sheath blight resistance of rice.Acta Agron Sin(作物学报),30(8):739～744(in Chinese)
[27] Zhang S(张穗),Guo Y-X(郭永霞),Tang W-H(唐文华),et al.2001.Studies on the toxicity and mechanism of jinggang·mycin A on Rhizoctonia solani.Chin J Pestic Sci(农药学学报),3(4):31～37(in Chinese)
[28] Zhao Y-H(赵永华),Lei R-D(雷瑞德),He X-Y(何兴元).2004.Niche characteristics of plant populations in Quercus aliena var.acuteserrata stands in Qinling Mountains.Chin J Appl Ecol(应用生态学报),15(6):913～918(in Chinese)
[29] Zheng S-M(曾士迈),Yang Y(杨演).1986.Botanical Epidemiology.Beijing:Agriculture Press.(in Chinese)
[30] Zhu C-Q(朱春全).1997.The niche ecostate-ecorole theory and expansion hypothesis.Acta Ecol Sin(生态学报),17(3):324～332(in Chinese)