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检索条件"任意字段=中国第三届植物化感作用学术研讨会;第八届全国杂草科学大会;联合国粮农组织——中国“水稻化感作用论坛”"

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STUDIES ON THE OPTIMUM PROPORTION OF MIXING ATRAZINE WITH PROPISOCHLOR

STUDIES ON THE OPTIMUM PROPORTION OF MIXING ATRAZINE WITH PR...

引用

中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Xian XU,Gui-qi WANG,Cui-qin FAN,Bing-hua LI,Li-jun SU Institute of Creal and Oil Crops,Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang 050031,China

Mixing atrazine with propisochlor is one of efficacious methods that can reduce phytotoxicity of triazine herbicides on corn field succeeding *** corn field main weeds bamyardgrass and crabgrass as the treatment weeds,the experiment was conducted in greenhouse to research the optimum proportion on the mixture of atrazine and *** results showed that with soil treatment combining these two herbicides produced synergic action on controlling gramineous *** the results,when the effect of the mixture causing 90%reduction in fresh weight of bamyardgrass,the mixed ratio was choosed at 1.7-3:1 using the least dosage of the mixture,on the while,when the effect of the mixture causing 90%reduction in fresh weight of crabgrass,the mixed ratio was choosed at 1-1.8:1,by using the least dosage of the mixture.

关键词： Atrazine Propisochlor Optimum Proportion

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THE SAFETY OF MESOTRIONE AND NICOSULFURON TO THE DIFFERENT VARIETIES OF MAIZE

THE SAFETY OF MESOTRIONE AND NICOSULFURON TO THE DIFFERENT V...

引用

中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Hai-lan CUI~1,Ling-mei TAO~2,Gui-qi WANG~3,Hong-jun ZHANG~(2*) 1 Department of Weed and Rodent Biology and Management,Institute of Plant Protection, Chinese Academy of Agricultural Sciences,Beijing 100094 Key Laboratory of Weed and Rodent Biology and Management,CAAS,Beijing,100094,China 2 Institute for Control of Agrochemicals,Ministry of Agriculture,Beijing 100026 3 Institute of Food and Oil,Hebei Agricultural Forestry Academy,Shijiazhuang 050031

The trials were carried out during 2005-2006 in the field of Beijing to evaluate the safety of mesotrione and nicosulfuron to the summer *** were two *** treatment with herbicide was the first factor,and the treatments were 300 g a.i./ha mesotrione,120 g a.i./ha nicosulfuron,and no *** second factor was the different varieties of the maize,and there were 46 varieties which were popular cultivated in Beijing,Hebei,Shandong and Henan

关键词： mesotrione nicosulfuron maize safety

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BIOASSAY OF A STRAIN KM0612 FOR THE CONTROL OF ECHINOCHLOA CRUS-GALLI(L.) BEAUV.

BIOASSAY OF A STRAIN KM0612 FOR THE CONTROL OF ECHINOCHLOA C...

引用

中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Rui-mei GENG~1,Jian-ping ZHANG~1,Wen-ming ZHANG~2,Liu-qing YU~(1*) 1 State Key Laboratory of Rice Biology,China National Rice Research Institute,Hangzhou 310006,China 2 Department of Agronomy,Ningxia University,Yinchuan 751200,China

Echinochloa crus-galli(L.) Beauv was one of the most troublesome weeds in the world,which has coursed the resistance to some chemical ***,biological control had more advantage in avoiding the negative influence of chemicals.A new fungal pathogen KM0612 was isolated from diseased barnyardgrass collected in Kunming,*** potential of the fungus

关键词： a fungal pathogen KM0612 Echinochloa crus-galli(L.) Beauv. biological control

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COMPETITION AND INHIBIT RULE OF ALLELOPATHIC RICE HUAKANG 78 TO ECHINOCHLOA CRUSGALLI(L.) BEAUV.

COMPETITION AND INHIBIT RULE OF ALLELOPATHIC RICE HUAKANG 78...

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中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Yi-zhuan WANG,Jing-lun WU,Gui LI,Li-ping LIU Institutute of Plant Protection,Jiangsu Academy of Agricultural Sciences,Nanjing 210014, China

Compare inhibit rank of various growth index by Different leaf-age allelopathic rice huakang 78 and non- allelopathic rice Lemont to different leaf-age Echinochloa Crusgalli(L.) *** results showed that effect of growth control by huakang 78 to Echinochloa Crusgalli(L.) Beauv were evidently better than Lemont to Echinochloa Crusgalli(L.) Beauv Competitive capability of huakang 78 were decrease with the leaf-age of Echinochloa Crusgalli(L.) ***, but the decrease were slowly than *** effect of 6 leaf-age huakang 78 to Echinochloa Crusgalli(L.) Beauv were better than 3 *** effect of huakang 78 to abovegrand parts of Echinochloa Crusgalli(L.) Beauv were better than which to roots.

关键词： rice allelopathy Competition inhibit

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WEED RISK ASSESSMENT AND POST-ENTRY WEED RISK MANAGEMENT IN CHINA

WEED RISK ASSESSMENT AND POST-ENTRY WEED RISK MANAGEMENT IN ...

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中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Chao-xian ZHANG,Shou-hui WEI,Hong-juan HUANG Department of Weed and Rodent Biology and Management,Institute of Plant Protection, Chinese Academy of Agricultural Sciences,Beijing 100094 Key Laboratory of Weed and Rodent Biology and Management,CAAS,Beijing 100094,China

China is one of the largest countries in the world,with variant ecosystems,and environments that maybe well suited as habitation for most invasive alien species,and seriously threatened by alien invasive *** was estimation that there are over 600 naturalized exotic plant species in China,among them 108 species were exotic weeds,belonging to 23 families and 76 genera, and 90 species determined as invasive *** species grew and spread rapidly,directly lead to decline of plant communities and biodiversity,and serious economic damage.

关键词： WEED RISK ASSESSMENT AND POST-ENTRY WEED RISK MANAGEMENT IN CHINA

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STUDIES ON THE ALLELOPATHY AMONG SEVERAL TROPICAL PLANTS IN HAINAN

STUDIES ON THE ALLELOPATHY AMONG SEVERAL TROPICAL PLANTS IN ...

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中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Gui-jun YAN,Chao-hua ZHU ~*,Yan-ping LUO and Qing-jun QIU College of Plant Protection,SCUTA Danzhou 571737,Hainan,China

The cultivated land in Hainan utilizes the state to be researched,the multiple crop index of the crops is relatively low,189%*** much cultivated land have not been adopted rationally complex cultivated and inter space plant or crop rotation and so *** cropping system is relatively *** crops such as pepper,mango,Phellodendron chinense Schneid,of the large area,*** planted in Hainan at present,far relatively interval,if we can plant some short cycle crops among,so there can be more *** compounds systematic setting-up needs to analyze various inter action among plants such as industrial crops, crops and herb,***,make out reasonable crop rotation system,culture and choose and plant the configuration *** them,take research of Allelopathy to compound agriculture systematic foundation and optimization have important meanings.

关键词： Allelopathy extraction tropical plant

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ALLELOPATHIC RESEARCH AMONG SEVERAL PASTURE SPECIES DURING GERMINATION STAGE

ALLELOPATHIC RESEARCH AMONG SEVERAL PASTURE SPECIES DURING G...

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中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Yi-ming QIN,Yu-qing HUANG,Liu-wang NIE College of Life Science,Anhui Normal University,Wuhu 241000,China

Allelopathy is the chemical inhibition of one organism by *** effects are often observed between plant species at *** plants contain biologically active substances that are allelopathic to intra- and *** study was conducted to investigate varietals differences in allelopathic potential in pastures *** common varieties of pasture plants seeds of Sorghum sudanense(Piper) Stapf)(Gramineae),Cichorium intybus Linn.)(Compositae),Medicago sativa L.(Leguminosae),Lolium perenne Linn. (Gramineae) and Trrifolium repens L.(Leguminosae),were grown by mix culture of each other species and bioassayed of exudates from germinated seeds against other *** demonstrated that the allelopathic effect in every plant species was existent whether in seeds mix-cultured or in the exudates from seeds *** degree of inhibition or promotion of seeds germination and growth of seedling varied with the variety of pasture *** results suggested that some pasture species cultivation conditions should be based on the varieties of allelopathic characteristics of difference pastures species as their various allelopathic potentials.

关键词： Allelopathic effects seed exudates seeds germination pasture species bioassay

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THE COMPARISON OF POSTEMERGENCE HERBICIDES SIGMABROAD 3.6%WG,SIGMABROAD OD12G/L AND SIGMA OF 30G/L ON CONTROL EFFICACY OF GRAMINEAE AND THE BROAD-LEAF WEED AND WINTER WHEAT SAFETY

THE COMPARISON OF POSTEMERGENCE HERBICIDES SIGMABROAD 3.6%WG...

引用

中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Qing-hua CHEN~1,Xiao-gang ZHOU~1,Zhen-guo YOU~2,Han GAO~1,Yong-sheng ZHEN~1 1 Institute of Plant Protection,Sichuan Acdemy of Agricultural Science,Chengdu 610066,China. 2 Bayer crop science(China)limited company,Beijing 100022.China

The test indicated that,SigmaBroad 3.6%WG、SigmaBroad OD12g/l and Sigma OF30g/l are inner extravagant *** efficacy increases progressively on lOdays,20 day,45 day after *** fresh weight efficacy is superior to the number efficacy on 45 day after spraying. SigmaBroad 3.6%WG-、SigmaBroad OD12g/l and Sigma OF30g/l can kill the weeds excellently such as Common Aeschynomene,Compositae,Cruciferae,chickweed and so on,extremely supuier to Common Polypogon and Kanmainiang,poor to Siebold Buttercup,Laxflower Speedwell and Tend Catchweed Bedstraw.

关键词： SigmaBroad 3.6%WG SigmaBroad OD12g/l Sigma OF30g/l weeds of Winter wheat field herbicide safety control efficacy

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ALLELOPATHY AND MANAGEMENT OF THREE INVASIVE WEEDS (AMBROSIA TRIFIDA,LANTANA CAMARA AND AGERATUM CONYZOIDES) IN CHINA

ALLELOPATHY AND MANAGEMENT OF THREE INVASIVE WEEDS (AMBROSIA...

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中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： C.H.KONG~(1,2),F.HU~2,P.WANG~1,X.H.XU~3 1 Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China 2 South China Agricultural University,Guangzhou 510642,China 3 State Key Laboratory of Elemento-organic Chemistry,Nankai University,Tianjin 300071,China

Ambrosia trifida,Lantana camara and Ageratum conyzoides are American in origin and invade natural and managed ecosystems to reduce biodiversity and crop productivity in *** A conyzoides and *** occur mainly in South China,but *** in North *** plants species become economically destructive weeds and could produce and release allelochemicals to interfere with other species in agricultural *** of

关键词： origin ALLELOPATHY AND MANAGEMENT OF THREE INVASIVE WEEDS AMBROSIA TRIFIDA,LANTANA CAMARA AND AGERATUM CONYZOIDES IN CHINA

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STUDY ON ALLELOPATHIC POTENTIAL OF ASTRAGALUS ADSURGENS PALL IN DIFFERENTL GROWTH STAGES

STUDY ON ALLELOPATHIC POTENTIAL OF ASTRAGALUS ADSURGENS PALL...

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中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”

作者： Fu-ke YU ~(1,2) Yong-qing MA ~(*2,3) 1 Laboratory for Conservation and Utilization of Bio-Resource & School of Life Science,Yunnan University,Kunming,Yunnan 650091,China 2 Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Yangling,Shaanxi 712100,China 3 Northwest Sci-Tech University of Agriculture and Forestry,Yangling,Shaanxi 712100,China

Allelopathic potential of Astragalus adsurgens Pall in nutritional growth stage,blossom and seed stage,mature stage was studied by using radish seeds as *** result showed that A. adsurgens in different growth stage has different allelopathic effect on radish seedling *** included:(i).Extract partitioned with ethyl acetate(1:60,g/mL,the same below) from leaves of

关键词： Allelopathic potential Astragalus adsurgens Pall Growth stage

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