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The research result as follows. 1. The allelopathic effects of aqueous extract, volatile oil and root exudates of White clover (Trifolium repens L.) were studied on four crops: Abutilon theophrasti Medic., Echinochloa crusgalli L.
研究结果如下: 1、以稗草、反枝苋、苘麻和白三叶草自身为受体,对白三叶草地上部分水浸液、挥发物和根系分泌物的化感作用进行生物测定。
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It,s allelchemicals were isolated through extraction, thin-layer chromatography, and column chromatograpathy. After the white clover was infused in ethanol and evaporation, the leavings was dissolved by water. The aqueous extract was extracted by petroleum,chloroform, ethyl acetate and n-Butanol successively, and the bioassay showed that the chloroform phase has obvious inhibitory effect, the inhibitory rate was 44.32%,88.08% on Abutilon theophrasti M., seedling length and root length, 82.08%,92.16% on Echinochloa crusgalli L., seedling length and root length, and the Amaranthus retroflexux L., germination rate is 0, the secondly was ethyl acetate phase.
运用萃取、薄层层析、柱层析等方法对白三叶草地上部分的化感物质进行初步分离,结果表明,白三叶草经乙醇浸提旋转蒸发后用蒸馏水溶解,依次用石油醚、氯仿、乙酸乙酯、正丁醇萃取,生物测定表明氯仿组分对杂草的抑制作用最强,对苘麻芽长和根长抑制率分别为44.32%、88.08%,对稗草芽长和根长的抑制率分别为82.08%、92.16%,反枝苋的发芽率为0;其次是乙酸乙酯相。
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The experiment identified weed control spectrum of toxin and sensitivity to main crops. The result showed that dayflower and goosefoot were most sensitive to toxin with injury response of level 4, followed by redroot pigweed and eragrostioid with injury response of level 3 and level 2, respectively. Among the main crops, corn and sorghum were susceptible to toxin while wheat, soybean and peanut were insensitive.
粗毒素杀草谱和对作物安全性测试结果为:鸭跖草和藜对毒素最敏感,伤害反应为4级;反枝苋和虎尾草伤害反应分别为3级和1级;玉米和高粱对粗毒素敏感,小麦、大豆和花生对粗毒素不敏感。
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The result showed that dayflower and goosefoot was most sensitive to toxin which injury response reached to level 4,then redroot pigweed and eragrostioid which injury response was level 3 and level 2 respectively.Among main crops corn and sorghum were susceptible to toxin while wheat,soybean and peanut were insensitive to toxin.
粗毒素杀草谱和对作物安全性测试结果为鸭跖草和藜对毒素最敏感,伤害反应为4级,反枝苋和虎尾草伤害反应分别为3级和1级;玉米和高粱对粗毒素敏感,小麦、大豆和花生不敏感。6。
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The test of host range showed SYAU-06 strain was safe to eighteen species of crops and vegetable besides corn and sorghum had slight injury response.Among twenty-seven species weeds from fourteen family the dayflower was most sensitive to the fungi,redroot amaranth and emarginated amaranth was slightly sensitive as well as goosefoot.
SYAU-06菌株寄主范围测试表明在供试的7科18种大田作物和蔬菜中仅玉米和高粱叶片有轻微的伤害反应,在供试的14科27种杂草中,对鸭跖草高度敏感,对苋科的反枝苋、凹头苋和藜科的藜轻度敏感。
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The main content and result of this research is as following:(1) Using Vis/NIR spectroscopy techniques differentiated the soybean seedling, Goose grass, Alligator Alternanthera and Emarginate amaranth, which are often living together in southern China.
本文的主要研究内容与结果如下:(1)采用Vis/NIR 光谱技术,区分了苗期的大豆与牛筋草、空心莲子草、凹头苋等几种南方地区常见的植物。
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Greenhouse pot experiments were conducted to evaluate the joint effect of nicosulfuron + mesotrione and nicosulfuron + cyanazine against Amaranthus retroflexus L.
通过温室盆栽试验,采用Gowing法评价了烟嘧磺隆分别与硝磺草酮、氰草津混用对反枝苋、马唐的联合作用。
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Amaranthus retroflexux L. and Trifolium repens L.. The result showed that three different extracts inhibited the germination rate of seeds and inhibited the growth of seeding and young root. The experiment showed that White clover existed obvious allelopathy and autotoxidity effect.
结果表明,地上部分水浸液、挥发物和根系分泌物显著抑制了反枝苋、苘麻和自身种子的发芽率,三部分提取物显著的抑制了苘麻、稗草和自身种子在萌发过程中芽长和根长的生长;试验表明白三叶草存在明显的化感作用且有一定的自毒作用。
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The nine antidiabetic medicinal plants were Anredera cordifolia van Steenis, Alternanthera paronychioides St. Hil., Basella alba L., Callisia repens L., Duchesnea indica Focke, Psidium guajava L., Ruellia tuberosa L., Tripogandra cordifolia Aristeg., Talinum paniculatum Gaertn.. Their antioxidant activities were assessed using trolox equivalent antioxidant capacity, DPPH (1,1-diphenyl-2- picrylhydrazyl) staining, DPPH radical scavenging, reducing power and ferric reducing antioxidant power methods.
这九种治疗糖尿病的药用植物包括藤三七、绿苋草、落葵、铺地锦竹草、蛇莓、芭乐、消渴草、怡心草、土人参等,它们的抗氧化活性分析方法包括:Trolox当量的总抗氧化能力、DPPH染色法、清除DPPH自由基能力、还原力及铁还原抗氧化能力等。
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Of alfalfa grass against as many as 65 kinds of products, including dicotyledonous weeds against the most serious, there are: Ma theophrasti, Xanthium, green salsa, salsa fin, Cephalanoplos vegetables, Salsola collina, flat hair, trionum wild, East City, quinoa, small Chenopodium, Portulaca oleracea, Amaranthus retroflexus, Capsella bursa-pastoris, iron amaranth, playing a bowl of flowers, vegetables brachyotus Chicory; monocotyledons mainly Setaria grass, barnyard grass, Chloris virgata, reed, Dichotomanthes grass, Digitaria Descurainia sophia, and so on.
对苜蓿有危害的杂草多达65个种,其中以双子叶杂草危害最为严重,主要有:苘麻、苍耳、灰绿碱蓬、翅碱蓬、刺儿菜、猪毛菜、扁蓄、野西瓜苗、东亚市藜、小藜、马齿苋、反枝苋、荠菜、铁苋菜、打碗花、苣荬菜;单子叶杂草主要有狗尾草、稗草、虎尾草、芦苇、牛筋草、播娘蒿和马唐等。
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HERBA ABRI:鸡骨草
物密花豆的藤茎鸡冠花(Flos Celosiae Cristatae) 苋科植物冠花的花序鸡屎藤(Herba Paederiae) 茜草科植物鸡屎藤的全草或其任何部分鸡骨香(Radix Crotonis Crassifolii) 大戟科植物鸡骨香的根鸡骨草(Herba Abri) 豆科植物广州相思
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Amaranthaceae Amaranth Family:苋科
绿帚(扫帚菜、地肤) f.trichophila Schinz.et Thell. Belvedere,Broom Cypress | 苋科 Amaranthaceae Amaranth Family | 锦绣苋属(莲子草属) Alternanthera Forsk. Alterrnan-thera
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chay:驱虫苋
chavicolmethylether 爱草脑 | chay 驱虫苋 | chaya 驱虫苋
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Evening Primrose Oil:月苋草油
>:YangCheng Evening | 月苋草油:evening primrose oil | 彝语:Beijing language
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Alternanthera bettzickiana:五色苋
02 红草五色苋 Alternanthera amoena | 93,95 五色苋 Alternanthera bettzickiana | 雁来红 Amaranthus tricolor
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Amaranthus spinosus:刺苋(刺苋菜)
空心莲子草(水花生、喜旱莲子草)Alternanthera philoxeroides | 刺苋(刺苋菜)Amaranthus spinosus | 皱果苋(绿苋、野苋)Amaranthus viridis
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Amaranthus viridis:野苋
导致杂草相的分布有明显差异;高温多湿之夏季蔬菜田,杂草主要以牛筋草(Eleusine indica) 、稗草及马唐草(Digitaria sanguinalis)等禾本草等主;另外还有野苋(Amaranthus viridis) 、加拿大蓬(Erigeron canadensis)及马齿苋(Portulaca oleracea)等阔叶草,
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Amaranthus viridis:皱果苋
长芒苋Amaranthus palmeri | 皱果苋 Amaranthus viridis | 喜旱莲子草Alternanthera philoxeroides
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Amaranthus retroflexus:反枝苋
温室盆栽条件下,以扑草净、莠去津分别为对照药剂,研究了特丁津对马唐(Digitaria sanguinalis)、反枝苋(Amaranthus retroflexus)、马齿苋(Portulaca olercea)和稗草(Echinochloa crus-galli)的除草活性.结果表明:3种除草剂对阔叶杂草的防效都优于对禾本科杂草的防效,
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Amaranthus polygonoides:物种名称:合被苋 拉丁文名
006物种名称:刺花莲子草 拉丁文名: Alternanthera pungens | 007物种名称:合被苋 拉丁文名: Amaranthus polygonoides | 008物种名称:反枝苋 拉丁文名: Amaranthus retroflexus