To evaluate the efficacy of 6 herbicides against Galium aparina L.,two experiments were conducted in winter and spring based on different temperature conditions in wheat field, *** result showed that bensulfuron and d...
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To evaluate the efficacy of 6 herbicides against Galium aparina L.,two experiments were conducted in winter and spring based on different temperature conditions in wheat field, *** result showed that bensulfuron and dicamba had higher control effect against Galium aparina *** others,both of them had no remarkable difference on different
Ecological adaptability of 6 cover crops and their effectiveniss of controlling weeds was evaluated in Chestnut(Castanea Mollissia) orchard of Beijing in order to replace herbicide, avoid bare soil,reduce soil erosion...
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Ecological adaptability of 6 cover crops and their effectiveniss of controlling weeds was evaluated in Chestnut(Castanea Mollissia) orchard of Beijing in order to replace herbicide, avoid bare soil,reduce soil erosion by water and increase plant *** repens, Dactylis glomerata,Festuca arundinacea,Lolium perenne,Poa pratensis and Bromus inermis
We studied the effects of a-naphthylacetic acid,a plant growth regulator,on the growth of photosynthetic bacteria(PSB).Our experimental results showed that a-naphthylacetic acid OD{(660) promoted 9%,16.1%and 23.6%of t...
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We studied the effects of a-naphthylacetic acid,a plant growth regulator,on the growth of photosynthetic bacteria(PSB).Our experimental results showed that a-naphthylacetic acid OD{(660) promoted 9%,16.1%and 23.6%of the growth of PSB with the optimal a-naphthylacetic acid concentration at 0.1,0.5,1.0 mg / L afeter inoculation 6 ***
The dry weight of the various weed species were respectively determined in transplanting allelopathic rice 777 and non- allelopathic yangdao 6 widely cultivated in Yangzi River at full heading stage under different N ...
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The dry weight of the various weed species were respectively determined in transplanting allelopathic rice 777 and non- allelopathic yangdao 6 widely cultivated in Yangzi River at full heading stage under different N fertilizer with field ***-inhibiting effects of test rice varieties and weed Parameters of weed community structure at full heading stage in paddy were
Orobanche minor parasitize many kinds of crops and cause serious damage to host,but it's difficult to *** it's important on how to utilize the germination characters of small broomrape to reduce its soil bank,...
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Orobanche minor parasitize many kinds of crops and cause serious damage to host,but it's difficult to *** it's important on how to utilize the germination characters of small broomrape to reduce its soil bank,especially to induct or inhibit germination using nonhost root *** screened the extracts of 240 traditional Chinese medicinal herbs to test their
This paper reports the results of exogenous DNA of bean tolerant to glyphosate directly introduced into the soybean through formed passage of the pollen *** SSR and RAPD molecular verification indicated that it was po...
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This paper reports the results of exogenous DNA of bean tolerant to glyphosate directly introduced into the soybean through formed passage of the pollen *** SSR and RAPD molecular verification indicated that it was possible to created soybean resistant to glyphosate. Using the pollen tube passage to introduce foreign DNA into soybean.
Allelopathic potentials of barnyard grass(Echinochloa crus-galli) on rice(Oryza sativa) and soil microbes in paddy were *** a result,rice growth was inhibited in the barnyard grass infested soil in which the growth of...
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Allelopathic potentials of barnyard grass(Echinochloa crus-galli) on rice(Oryza sativa) and soil microbes in paddy were *** a result,rice growth was inhibited in the barnyard grass infested soil in which the growth of non-allelopathic rice variety Liaojing-9 was considerably reduced compared to that of allelopathic rice variety *** experiments showed the germination and growth of rice were suppressed by barnyard grass
The summary of the herbicide precise application technology being conducted from 2003 to 2007 in the field of the soybean,maize and wheat in Hei longjiang province,He bei province, Shan dong province and Beijing *** b...
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The summary of the herbicide precise application technology being conducted from 2003 to 2007 in the field of the soybean,maize and wheat in Hei longjiang province,He bei province, Shan dong province and Beijing *** bentazone,atrazine,mesotrione,isoproturon,broxynil and some others were applied as tanked mixture with adjuvant to control the young weed
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),G...
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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.
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 PI312777wa...
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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
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