Weed survey in maize was conducted using an inverted W pattern with 9 sampling points in corn producing area of *** appeared 50 species,belonging to 20 families,among which Echinochloa crusgalli(l.) Beauv,Ixeris chine...
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Weed survey in maize was conducted using an inverted W pattern with 9 sampling points in corn producing area of *** appeared 50 species,belonging to 20 families,among which Echinochloa crusgalli(l.) Beauv,Ixeris chinensis(Thunb.) Nakai,Ixeris chinensis (Thunb.) Nakai,Abutilon theophrasti Medic,Amaranthus retroflexus L,Sonchus brachyotus D, Cephalanoplos segetum(Bunge.) Kitam are dominated in the *** effect of herbicides
As the rapid expansion of directly sowing rice in Jiang-Huai region,malignant weeds such as bamyardgrass[Echinochloa crusgalli(L.) Beauv],Chinese sprangletop[Leptochloa chinensis (L.) Nees]and common crabgrass[Digitar...
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As the rapid expansion of directly sowing rice in Jiang-Huai region,malignant weeds such as bamyardgrass[Echinochloa crusgalli(L.) Beauv],Chinese sprangletop[Leptochloa chinensis (L.) Nees]and common crabgrass[Digitaria sanguinalis(Linn.) Scop.]occur widely in directly sowing rice field and do serious harm to ***,chemical herbicide application is an
Harmful red tide is a severe oceanic disaster,having inducing huge economic loss and adversely impacts to environmental and human health all over the *** inhibition of marine macroalgae on red tide microalgae has been...
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Harmful red tide is a severe oceanic disaster,having inducing huge economic loss and adversely impacts to environmental and human health all over the *** inhibition of marine macroalgae on red tide microalgae has been reported,but the exact responsible chemicals are largely *** objective of this work was to identify effective and safe antialgal
Antioxidants are important inhibitors of lipid peroxidation used not only in food preservation but also as a defence mechanism of living cells against oxidative *** present,such chemical antioxidants as BHT,BHA,PG ***...
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Antioxidants are important inhibitors of lipid peroxidation used not only in food preservation but also as a defence mechanism of living cells against oxidative *** present,such chemical antioxidants as BHT,BHA,PG *** commonly used,but they are harmful to human liver and lung,while natural antioxiditive substances extracted from natural plants do no harm to human
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 b...
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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
Praxelis(Praxelis clematidea) plants showing witches'-broom symptoms typical of phytoplasmas were observed from Danzhou,Hainan in *** were detected from symptomatic samples by PCR amplification of their *** expect...
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Praxelis(Praxelis clematidea) plants showing witches'-broom symptoms typical of phytoplasmas were observed from Danzhou,Hainan in *** were detected from symptomatic samples by PCR amplification of their *** expected 1189bp DNA fragment was amplified from diseased plants but not from known healthy or symptomless plants.
Currently,approximately 70 million ha of crop fields are receiving herbicide treatments annually throughout the country,herbicide production and market shares have increased rapidly with the development of chemical we...
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Currently,approximately 70 million ha of crop fields are receiving herbicide treatments annually throughout the country,herbicide production and market shares have increased rapidly with the development of chemical weed control in *** asstimated,about 8.5 million farmers will move into towns annually in the next 10 years,and 0.3 billion people will be citizenised in the
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 i...
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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
The inhibitory effects of allelochemicals of Arundo donax Linn,extracted by the solvents with different polarities including methanol,ethyl acetate and hexane on the growth of Microcystis aeruginosa were studied *** r...
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The inhibitory effects of allelochemicals of Arundo donax Linn,extracted by the solvents with different polarities including methanol,ethyl acetate and hexane on the growth of Microcystis aeruginosa were studied *** results show the allelochemicals extracted with all the three solvents had inhibition on *** occurrence of inhibition of the
The author studies the species of major weed,occurrence characteristics and changes in control techniques from hand weeding to chemical control by herbicides oxyfluorfen, bensulfuron-methyl+metsulfuron-methyl,bensulfu...
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The author studies the species of major weed,occurrence characteristics and changes in control techniques from hand weeding to chemical control by herbicides oxyfluorfen, bensulfuron-methyl+metsulfuron-methyl,bensulfuron-methyl,butachlor and ethachlor in transplanted paddy fields in Xishuangbanna,Yunnan *** results show that standard cultivation of non-polluted rice is very important to help Dai nationality to develop modern rice production technology and necessary to promote agricultural quality and benefit in this area.
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