反枝苋

词组短语

Amaranthus retroflexus L.

与反枝苋相关的网络例句 [注：此内容来源于网络，仅供参考]

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。

The chloroform phase was isolated into 7 phases by column chromatograpathy, and the bioassy showed that the 1 phase has strong inhibitory effect, was 91.01% on Abutilon theophrasti M., root length, 51.35%、63.93%on Echinochloa crusgalli L, seedling length and root length, and the Amaranthus retroflexux L.,germination rate is 0, the secondly was 2 phase and 5 phas, and next we continued iaolated these two phases.

用硅胶柱对氯仿组分进行分离得到7个组分，生物测定表明组分1化感作用最强，对苘麻根长抑制率为91.01%，对稗草芽长和根长的抑制率分别为51.35%、63.93%，反枝苋的发芽率为0；其次是组分2和组分5，由于组分2的含量相对较少，对组分1和组分5继续分离。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。

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。

4 Had the most intensive herbicidal activity. The inhibiting rate of No. 4 was 95.8%, 93.76% and 86.36% against the taproot ,caulis and the bourgeon of retroflexus L. respectively.

经HPLC分离后得到8个馏份，其中馏份4的除草活性最强，对反枝苋的种子萌发抑制率为86.36%，主根生长抑制率为95.84%，主茎生长抑制率为93.76%。

But there had lower control effets to Convolvulus arvensis, the average number of trees and fresh weight control effect were 50.3 and 85.5%, respectively.

对田旋花的防效较对藜、大刺儿菜、猪毛菜、反枝苋防效偏低，药后30d的平均株防效和鲜重防效分别为50.3%和85.5%。

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。

And Cucumis sativus L. were tested by bioassay-guided separation. The extracts from P. tomentosa flower with ethanol were extracted with petroleum ether, ethyl acetate and n-butanol. The inhibition rate of the ethyl acetate extract to growth of the 3 kinds of plant radicel were 99.89%, 63.53% and 32.74% respectively at 0.5 mg/mL concentration, and that of petroleum ether were 76.30%, 56.17% and 23.36%.

绒叶泡桐Paulownia tomentosa花乙醇提取物依次用石油醚、乙酸乙酯、正丁醇和水萃取后进行活性测定，结果表明，石油醚萃取物在浓度为0.5mg/mL时，对反枝苋、生菜和黄瓜种子胚根生长的抑制率分别为76.30%、56.17%和23.36%；乙酸乙酯萃取物在浓度为0.5mg/mL时，对反枝苋、生菜和黄瓜种子胚根生长的抑制率分别为99.89%、63.53%和32.74%。

The results indicated that the values of EC50 of compound 1# was 0.019 mg·L-1, against germination of Amaranthus retroflexus.

测定了1#化合物对反枝苋的抑制活性，结果表明，1#化合物对反枝苋种子萌发的EC50 分别为0.019mg·L-1。

Thirdly, we also examine the effect of these extracts on maize seed germination rate, maize seeding height and fresh weight, and the results show that three extracts are safe to maize at the concentration of 1:20, with a inhibit rate under 4 %.We further identified and purified organic acids, alkaloids hydroxybenzenes and neutral materials from extract and examined their effects on Amaranthus retroflexus L. seeds.

实验结果表明在干样：水为1：50以内，这三种向日葵的叶片提取液对反枝苋种子萌发和幼苗株高、鲜重及出叶数的抑制效果都非常显著；随着提取液浓度的下降抑制作用也呈明显的下降趋势；通过实验数据比较，这三种向日葵叶片提取液对反枝苋种子萌发抑制和对反枝苋幼苗株高、鲜重及出叶数的抑制效果略有差异。

与反枝苋相关的网络解释 [注：此内容来源于网络，仅供参考]

Amaranthus spinosus：物种名称:刺苋 拉丁文名

008物种名称:反枝苋 拉丁文名: Amaranthus retroflexus | 009物种名称:刺苋 拉丁文名: Amaranthus spinosus | 010物种名称:皱果苋 拉丁文名: Amaranthus viridis

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,

Amaranthus retroflexus：物种名称:反枝苋 拉丁文名

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 | 009物种名称:刺苋 拉丁文名: Amaranthus spinosus

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

Amaranthus polygonoides：合被苋

反枝苋 Amaranthus retroflexus | 合被苋Amaranthus polygonoides | 苋 Amaranthus tricolor

Digitaria sanguinalis：马唐

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,

Digitaria ciliaris：升馬唐

一旦番茄和紫花苜蓿的根接触到黑核桃的根,前二者就将死亡;刺槐树皮分泌的挥发性物质,能抑制多种草本植物生长;小麦提取物能抑制反枝苋(Amaranthus retroflexus)、繁缕(Stellaria media)、升马唐(Digitaria ciliaris)等的生长;一些水稻