Weed species which appeared Over 20% in plots of golf courses were Cyperus rotundus,Kyllinga brevifolia,Oxalis dellenii,Panicum repens,Eleusina indica,Paspalum conjugtum,Digitaria sanguinalis,Hydrocotyle s...

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The results show that, firstly, Stellera chamaejasme L, which rely on their developed axial root system in the 10～40cm soil layer to occupy the competitive priority of volume, length, surface area and so on, in the case of their adaptive faculty to poor surroundings resulting from fruit picking, trampling and overgrazing as well as with the phenomenon of restrained growth among various plants, gradually become the dominant plant in the herbaceous community; secondly, this kind of degraded grassland has not displayed any general characteristic of degradation such as surface exposure, accumulative quantity of vegetation reduced, water loss, soil erosion and so on, therefor, it should be dealt with distinguishingly; thirdly, if"Stellera chamaejasme L Killer"and"Oxytropis ochrocephala Killer"invented by CAS are taken advantage of respectively in the bloom period of Stellera chamaejasme L and at the beginning of florescence of Oxytropis ochrocephala bunge by ultra-low volume spray of 1. 05L/hm〓 and 1. 35～165L/hm〓 dosage separately, the death rates of poisonous herbs may achieve above 95% and 92% correspondently; fourthly, this technology with the characteristics of high work efficiency, exclusive selectivity and convenient operation, is safe to non-target plants and other animals, and has no toxic or side-effect to environment; furthermore, an execution of"Stellera chamaejasme L Killer"spray and a two-year grazing prohibition can be effectively applied on degraded grasslands of"Weed and Poisonous plants Type".

結(jié)果表明：狼毒憑借發(fā)達(dá)的軸根系在10～40cm土層中形成的體積、長(zhǎng)度午夜毛a片、表面積等競(jìng)爭(zhēng)優(yōu)勢(shì)日韩无码黄片免费高清，以及對(duì)采食、踐踏欧美特黄性爱视屏、過(guò)度放牧所形成的不良環(huán)境的適應(yīng)能力和異株克生現(xiàn)象的存在黄色网址求，逐步成為草群中的優(yōu)勢(shì)植物；毒雜草型退化草地沒(méi)有表現(xiàn)出地表裸露欧美日韩午夜精品、植物蓄積量減少亚洲欧洲日韩综合色一二区、水土流失等一般性退化特征，對(duì)該類草地的治理應(yīng)區(qū)別對(duì)待；應(yīng)用中科院研制的'滅狼毒'和'滅棘豆'分別在狼毒盛花期和黃花棘豆初花期美女黄片毛片在线看，以1.05L/hm〓日韩精品无码一区二区三区99、1.35～165L/hm〓的施用量超低容量噴霧，毒草的死亡率可達(dá)到95％日黄特一级黄色A片、92％以上色在线观看黄视频；該技術(shù)具有工效高、選擇性專一国产黄A一级毛片视频、滅效高一级一级一级一级毛片、操作簡(jiǎn)便，對(duì)非靶標(biāo)植物和其它動(dòng)物安全在线免费看一级片，對(duì)環(huán)境無(wú)毒副作用的特點(diǎn)国产三级片黑免费；采用噴施'滅狼毒'+短期禁牧措施，可以有效治理毒雜草型退化草地久久久国产一级AV片。

Invasive weed; Solanum rostratum Dunal.; GARP; Potential distribution; Prediction.

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And Echinochloa crusgalli L. were studied. Both of the aqueous extract from aerial part and root of T. repens inhibited the germination rate of weed seeds, root activity and respiratory rate, and the activities of superoxide dismutase peroxidase and catalase of germinating seeds; enhanced the activity of peroxidase and the content of malondialdehyde.

結(jié)果表明，白三葉草地上部分水浸液和根部水浸液顯著抑制苘麻和稗草種子的發(fā)芽率最新精品国偷一区二区，降低了雜草種子萌發(fā)過(guò)程中超氧化物歧化酶可在线观看网站91，過(guò)氧化氫酶的活性，抑制了雜草種子萌發(fā)過(guò)程中的呼吸速率未满十八禁止免费网址，根系活力黄色色色色色色色，明顯提高了雜草種子過(guò)氧化物酶活性和丙二醛的含量。

And Echinochloa crusgalli L. were studied. The result showed that both of the aqueous extract from aerial part and root of T. repens inhibited the germination rate of weed seeds, root activity and respiratory rate , the activities of superoxide dismutase peroxidase and catalase of germinating seeds, enhanced the activity of peroxidase and the content of malondialdehyde.

結(jié)果表明操逼污视频网站，白三葉草地上部分水浸液和根系分泌物顯著抑制苘麻和稗草種子的發(fā)芽率黄页免费视频观看，降低了雜草種子萌發(fā)過(guò)程中超氧化物歧化酶、過(guò)氧化氫酶的活性国产一级A片手机在线观看视频，抑制了雜草種子根系活力日韩情侣中文自拍视频网站，顯著提高了雜草種子過(guò)氧化物酶活性和丙二醛的含量。

Nowadays there are 53 weed species belong to 24 families in rice field in Shanghai. The main weeds in paddy field are 18 species,such as Sagittaria pygmaea, Ammania baceifera, Echinochloa ausgalli, Monochoria vaginalis.

上海稻田常見(jiàn)雜草有53種91人妻最真实的绿帽，分屬24科，其中主要草種有22種欧美黑粗硬大一级A，如矮慈菇乱色欧美激惰午夜、鴨舌草、稗草等日韩精品网站网址在线看视频。

Field experiments were conducted to examine integrated inhibition of allelopathic rice (Huakangcao 78), bensulfuron methyl application and water management on weeds in paddy field, with the purposes of attempting to reduce the dosage of herbicide applied in rice field and exploring new ways of weed management in rice production. The results showed that allelopathic rice could inhibit the germination and growth of barnyardgrass Echinochloa crusgalli L.

選用具有化感特性的水稻品系華抗草78和長(zhǎng)江流域地區(qū)主栽的揚(yáng)稻6號(hào)色色图片综合一区，通過(guò)田間試驗(yàn)研究水稻化感作用結(jié)合芐嘧磺隆使用及水層管理對(duì)水稻田雜草的抑制作用，旨在降低水稻田化學(xué)除草劑使用量，探索水稻生產(chǎn)中雜草治理的新途徑美女打开双腿扒开屁股眼让男人桶。

At 0.75 and 1.50L/ha, quizalofop-p-tefuryl exhibited good control of grass weeds as Echinochloa colona, E. crus-galli, and Eleusine indica. In the post-emergence screening test, quizalofop-p-tefuryl gave acceptable weed control with adequate crop safety.

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Coarse annual grass having fingerlike spikes of flowers; native to Old World tropics; a naturalized weed elsewhere.

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Flaveria bidentis, an annual weed of Flaveria, had been newly discovered in China. It might be a potential invasive plant in that of its very strong reproductive and survival abilities.

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