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196 篇 会议

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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”"

共 196 条记录，以下是151-160 订阅

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PRIMARY INVESTIGATION RESEARCH ON RELATIONSHIP BETWEEN PLANT DIVERSITY AND GROUND BEETLES(CARABIDAE) AMOUNTS IN PEACH ORCHARD

PRIMARY INVESTIGATION RESEARCH ON RELATIONSHIP BETWEEN PLANT...

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： Chun-hong JIA,Guo-yue YU,Ning-xin HUANG,Fan ZHANG and Jia-shen LIU Institute of Plant and Environment Protection,Beijing Academy of Agricultural and Forestry Sciences,Beijing 100097,PR China

Investigation has conducted on relationship between plant diversity and ground beetles in peach orchards with two different weed managements in 2004-2005 in Beijing *** management ways include maintaining vegetation with 3 mowing in the season of weed growth rapid,or weeding by hand as a control in peach *** species and vegetation cover

关键词： Plant diversity Ground beetles(Carabidae) Peach orchard

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THE BIOLOGICAL CHARACTERISTICS,HARM,PREVENTION AND CURE OF LEYMUS SECALINUS

THE BIOLOGICAL CHARACTERISTICS,HARM,PREVENTION AND CURE OF L...

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： Cun-yue XIN,Qing-yun GUO,You-hai WEI,Liang-zhi GUO,Hua WENG,Liang CHENG, Gui-gong GENG Plant protection institute of Qinghai Academy of Agricultural and forestry,Xining 810016, China

In order to control Leymus secalinus efficiently in rhubarb fields and decrease consumption of soil water and nutrient,we have invested and analyzed the biological characteristics,harm, prevention and cure of Leymus *** a result,it was indicated that the Leymus secalinus was 45～120 cm in height,exhibited single or cluster,and expanded their roots transworsely in

关键词： Leymus secalinus biological characteristics harm and loss prevention and cure

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ALLELOCHEMICALS AND MECHANISM OF WEED-SUPPRESSING ACTIVITY FROM ALLELOPATHIC RICE

ALLELOCHEMICALS AND MECHANISM OF WEED-SUPPRESSING ACTIVITY F...

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： Ai-guo LIU,Yan CUI,Ying-dong ZHU,Wei GAO,Chui-hua KONG,Xiao-hua XU College of Chemistry,NanKai University,TianJin 300071,China

Allelochemicals can be produced from the roots of allelopathic *** acids were used to being identified as the primary *** this paper Assay-guided fractionation of the EtOH crude extract of allelopathic Rice PI312777was isolated and 35 secondary metabolites were identified by means of 1D,2DNMR,MS,IR,*** preliminary screening data indicated

关键词： Oryza sativa allelopathy non-phenolic allelochemicals weed-suppressing activity

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INVASIVE ALIEN WEEDS IN HAINAN ISLAND OF CHINA

INVASIVE ALIEN WEEDS IN HAINAN ISLAND OF CHINA

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： Zhi-wei FAN,Yi-de SHEN,Ying LU Environment and Plant Protection Institute,Chinese Academy of Tropical Agricultural Sciences Key Laboratory for Tropical Agricultural Pest Detection and Monitor of Hainan Province, Danzhou,Hainan 571737,China

There are invasive alien weeds of 35 families,103 genera and 140 species in Hainan Island, South China for the moment after ***,the families with more species belong to Leguminosae(31 species),Compositae(19 species),Gramineae(17 species), Amaranthaceae(11 species),Euphorbiaceae(10 species) and Solanaceae(7 species);61.2%of them are native to America and the most of them are native to Tropical America.

关键词： Invasive alien weed Species and origin distribution and harm Hainan Island

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INHIBITORY EFFECT OF SEVEN SPECIES LARGE SEAWEEDS EXTRACTS ON GYMNODINIUM BREVE

INHIBITORY EFFECT OF SEVEN SPECIES LARGE SEAWEEDS EXTRACTS O...

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： Zhi-jia TIAN,Zhen-yu WANG,Feng-min LI ~*,Zhen AN College of Environmental Science and Engineering Ocean University of China,key Laboratory of Ocean Ecology & Environment,QingDao 266100

Using antialgal allelopathy of the large seaweeds to inhibit red tide has been an area of much research *** order to identify which species of large seaweed has a strong allelopathic inhibitory effect on Gymnodinium breve,7 species of large seaweeds were *** of the large seaweeds were put into the cultures of G breve which were precultivated to the

关键词： allelopathy red tide large seaweed Gymnodinium breve GC-MS

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AUTOTOXIC COMPOUNDS FROM FIBROUS ROOTS OF PANAX QUINQUEFOLIUM L. EXTRACTS:ISOLATION,IDENTIFICATION AND BIOLOGICAL ACTIVITY

AUTOTOXIC COMPOUNDS FROM FIBROUS ROOTS OF PANAX QUINQUEFOLIU...

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： Chun-nian HE,Wei-wei GAO ~*,Wu BI,Jia-xue YANG,Yang-jing ZHAO Institute of Medicinal Plant Development,Chinese Academy of Medical Sciences and Peking Union Medical College,Beijing 100094

The phenomenon of autotoxicity of Panax quinquefolium(American ginseng) has been reported by many investigators,but the autotoxic compounds was not *** this paper,9 phenolics and 5 aliphatic acids that could inhibit the radicle growth of American ginseng were reported for the first time,which were the potential autotoxic compounds to American *** the active

关键词： Panax quinquefolium L. autotoxicity phenolic acid aliphatic acid soil bioassay replant problem

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SHIKIMATE ACCUMULATION IN FIELD BINDWEED AND JAPANESE FALSE BINDWEED AFTER GLYPHOSATE APPLICATION

SHIKIMATE ACCUMULATION IN FIELD BINDWEED AND JAPANESE FALSE ...

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： Yan LIU and Chao-xian ZHANG~* 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

Field bindweed(Convolvulus arvensis L.) and Japanese false bindweed(Calystegia hederacea wall.) have become the main noxious weeds of wheat,maize,and soybean field in North of China,also enlarged to all glebe *** a general way,farms seed corn or soybean after wheat harvested for saving *** they spay broad-spectrum herbicide such as

关键词： Glyphosate Convolvulus arvensis L. Calystegia hederacea wall. Shikimate

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STUDY ON WEED COMMUNITY OF CORN FIELD IN LIAONING PROVINCE

STUDY ON WEED COMMUNITY OF CORN FIELD IN LIAONING PROVINCE

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： Ming-shan JI,Yang ZHANG,Hui-jie SUN,Song-hong WEI,Zu-min GU,Zhi-qiu QI, Xing-hai LI and Ying-zi WANG College of Plant Protection,Shenyang Agricultural University,Shenyang 110161,China

Weed damage is the major factor that affecting the growth and yield of corn in Liaoning *** is immediate significance to make clear the present situation of weed damage and community composition for preventing weeds in corn *** the first particularly and concretely study during the last 20 years of the different regions in Liaoning Province was carried *** was according to the method of fixed-point arithmetic and five rating damage

关键词： corn weed community control

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ACTIVITY AND ALLELOPATHY OF SOIL OF FLAVONE O-GLYCOSIDES FROM RICE

ACTIVITY AND ALLELOPATHY OF SOIL OF FLAVONE O-GLYCOSIDES FRO...

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： C.H.KONG,~(,a,b) H.ZHAO,~(a,c) X.H.XU,~(,b) P.WANG,~(a,c) AND Y.GU~(a,c) a Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China,b State Key Laboratory of Elemento-organic Chemistry,Nankai University,Tianjin 300071,China,c Graduate School,Chinese Academy of Sciences,Beijing 100039,China

Two flavone O-glycosides were isolated from allelopathic rice seedlings and have been identified as 5,4'-dihydroxy-3',5'-dimethoxy-7-O-β-glucopyranosylflavone and 7,4'-dihydroxy- 3',5'-dimethoxy-5-O-β-*** levels of these glycosides could be found in allelopathic rice *** could not be detected in the soils growing allelopathic

关键词： ACTIVITY AND ALLELOPATHY OF SOIL OF FLAVONE O-GLYCOSIDES FROM RICE

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ALLANTOIN INVOLVED IN SPECIES INTERACTIONS WITH RICE AND OTHER ORGANISMS IN PADDY SOIL

ALLANTOIN INVOLVED IN SPECIES INTERACTIONS WITH RICE AND OTH...

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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： P.WANG~(a,d),C.H.KONG ~(a,b*) F.HU ~b,X.H.XU ~c a Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China,b South China Agricultural University,Guangzhou 510642,China,c State Key Laboratory of Elemento-organic Chemistry,Nankai University,Tianjin 300071,China,d Graduate University, Chinese Academy of Sciences,Beijing 100039,China

Allantoin(5-ureidohydantoin) plays an essential role in the assimilation,metabolism,transport, and storage of nitrogen in numerous higher plants,but its ecological implications are largely *** this study,allantoin was found in tissues of 11 rice(Oryza saliva) varieties tested and its structure was characterized by X-ray diffraction analysis to confirm the fact that allantoin

关键词： ALLANTOIN INVOLVED IN SPECIES INTERACTIONS WITH RICE AND OTHER ORGANISMS IN PADDY SOIL

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