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防效
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  “防效”译为未确定词的双语例句
    Antifungal Activity of Penicillium striatisporum Strain P.st10 and Its Inhibition against Pepper Blight Caused by Phytophthora spp.
    一株疫病拮抗青霉P.st10菌株的抗菌活性及其对辣椒疫病的盆栽防效
短句来源
    Among seven juvenile hormone analogues,ZR_(777),ZR_(515),ZR_(512),734-Ⅱ were the more efficient to the big headed ant,Pheidole indica Mayr,and their efficiency might be put in the following order:ZR_(777)>ZR_(515)>ZR_(512)>734-Ⅱ.
    通过保幼激素类似物和饵料对印度大头蚁防效的筛选,选出有效保幼激素类似物 ZR_(777)、ZR_(515)、ZR_(512)和最佳饵料熟鱼肉。
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    The inhibition rate of 5fold diluted filtrate of isolates AS818 and AS929 against Fusarium was 70.5% and 885%, respectively.
    其中5倍稀释的AS818及AS929发酵滤液在PDA平板上的抑菌率分别为70.5%和88.5%,其温室防效分别为77.0%和81.4%。
短句来源
    ·hm -2 would have a good efficacy.
    hm-2 就可以得到很好的杂草防效
短句来源
    Actinomycete strains YIM31658,YIM31679,YIM31777,which had strong activities for restraining pathogenic fungi Botrytis cinerea,isolated from the soil samples collected from Yongsheng and Zhongdian,Yunnan Province.
    从云南永胜、中甸采集的土壤样品中分离到3株放线菌菌株YIM31658,YIM31679,YIM31777.具有很强的抗灰霉病活性,防效均达到100%.
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  biocontrol effect
Protease inhibitors, trans-epoxysuccinyl-L-leucylamido-(4-guanidino)butane (E64), antipain hydrochloride, and a mixture of inhibitors, but not pepstatin A, fully or partially nullified the biocontrol effect of T39.
      
atrum, resulting in a biocontrol effect, only takes place in necrotic plant tissue.
      
Evaluation of biocontrol effect of wild-type and mutant Trichoderma strains on the development of Botrytis cinerea disease symptoms on bean leaves.
      
Evaluation of biocontrol effect of wild-type and mutant Trichoderma harzianum strains on bean seeds in Rhizoctonia solani-infested soil.
      
Several bacteria that exhibit a biocontrol effect on some common bean pathogens have been isolated in our laboratory.
      
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  biocontrol efficiency
were utilized to improve the biocontrol efficiency of the mycoparasitic fungus Trichoderma harzianum by increasing the copy number of the basic proteinase gene prb1.
      
In pot trial, no significant difference on biocontrol efficiency against grapevine crown gall was found between the wide type E26 and its quorum sensing negative mutants.
      


In laboratory conditions the seed oil of angled bittersweet (Celastrus angulatus Maxim.), termed CA oil, possesses obvious antifeedant effect on Pieris rapae, Aulacophora femoralis, Henosepilachna vigintioctopunctata, Locastra muscosalis, Colaphellus bowringi and Calospilos suspecta.In the field experiments the efficiency of controlling Pieris rapae has been shown as follows: 86.5%, 91.16% and 85.37% obtained respectively by using 2%, 0.66% and 0.5% CA oil; 89.6% by using 10% Cypermethrin diluted 5000 times;...

In laboratory conditions the seed oil of angled bittersweet (Celastrus angulatus Maxim.), termed CA oil, possesses obvious antifeedant effect on Pieris rapae, Aulacophora femoralis, Henosepilachna vigintioctopunctata, Locastra muscosalis, Colaphellus bowringi and Calospilos suspecta.In the field experiments the efficiency of controlling Pieris rapae has been shown as follows: 86.5%, 91.16% and 85.37% obtained respectively by using 2%, 0.66% and 0.5% CA oil; 89.6% by using 10% Cypermethrin diluted 5000 times; and 79.81% by using the root-bark powder of angled bittersweet, which indicates that the controlling effect of CA oil is approximate to that of Cypermethrin and better than that of the root-bark powder.The field experiments have also proved that the CA oil exceeds DDVpboth in controlling effect and in yield increase when used against Aulacophora femoralis.Since the angled bittersweet has not only reliable pest-controlling substance in its seed oil, but also many other advantages, such a bundant resources, wide distribution, strong adaptability and high survival rate, it can be expeeted to be an important source of pest-controlling material and the CA oil to be a very promising natural plant insecticide or antifeedant agent.

室内测定表明:苦皮藤种油对菜青虫、黄守瓜、猿叶虫、28星瓢虫,丝绵木金星■蠖、缀叶丛螟等六种害虫有明显的拒食作用;田间试验效果:防治菜青虫,用2%、0.66%、0.5%的苦皮藤种油防效分别为86.5%、91.16%、85.37%,10%氯氰菊酯5000倍液为89.6%,苦皮藤根皮粉为79.81%,所以,苦皮藤种油与氯氰菊酯的效果相近,但优于苦皮藤根皮粉;防治黄守瓜,其防效与增产均优于DDVp。苦皮藤资源丰富,其种油将有可能成为一种很有发展前途的植物性天然产物杀虫剂或拒食剂。

Among seven juvenile hormone analogues,ZR_(777),ZR_(515),ZR_(512),734-Ⅱ were the more efficient to the big headed ant,Pheidole indica Mayr,and their efficiency might be put in the following order:ZR_(777)>ZR_(515)>ZR_(512)>734-Ⅱ.It was found that the colony of Pheidole indica Mayr could be eradi-cated with 0.06% hydroprene(ZR_(512))baits,and 0.6% hydroprene wasmore signficantly efficient.In the control of the nest with a colony si-ze as 2.0×π×0.725cm~3(four queens,changing the baits 0.4g and sup-plying water...

Among seven juvenile hormone analogues,ZR_(777),ZR_(515),ZR_(512),734-Ⅱ were the more efficient to the big headed ant,Pheidole indica Mayr,and their efficiency might be put in the following order:ZR_(777)>ZR_(515)>ZR_(512)>734-Ⅱ.It was found that the colony of Pheidole indica Mayr could be eradi-cated with 0.06% hydroprene(ZR_(512))baits,and 0.6% hydroprene wasmore signficantly efficient.In the control of the nest with a colony si-ze as 2.0×π×0.725cm~3(four queens,changing the baits 0.4g and sup-plying water every other day),the eradication period was 48.25 days,34.75 days and 33.00 days,while the dosage of hydroprene was 0.06%,0.6%,1.5% respectively.After treating with hydroprene baits,theovary of queen would be atrophied.Food preference test showed that cooked fish would be best attrac-tive and could be used as best material for bait.

通过保幼激素类似物和饵料对印度大头蚁防效的筛选,选出有效保幼激素类似物 ZR_(777)、ZR_(515)、ZR_(512)和最佳饵料熟鱼肉。0.06%的 ZR_(512)能杀灭蚁巢,0.6%效果更佳。在2.0×π×0.725cm~3的蚁巢中,用 ZR_(512)含量为0.06%、0.6%、1.5%的熟鱼肉作饵料时(每巢有4个蚁后,隔天加水并换饵0.40g),根绝蚁群所需时间分别为48.25天、34.75天和33.00天。经 ZR_(512)处理蚁巢的,蚁后卵巢萎缩、体积变小、卵巢管少,一般只有少数临产的卵,有些甚至没有卵或卵母细胞。

The strain 1-1-4 isolated from soil in shanghai was identified by the sim- ple and quick cross-antagonistic plate assay in the process of screening antagonistic bacteria for biocontrol of peach crown gall disease.The disease control rate by the strain was more than 95% in the fields. The cells of the strain are rod-shaped(0.6—0.8×2—4μm)gram negative and do not form capsule and spores.They are motile by polar flagella.The strain could produce diffusible orange-green pigment when cultured in King's media.In the...

The strain 1-1-4 isolated from soil in shanghai was identified by the sim- ple and quick cross-antagonistic plate assay in the process of screening antagonistic bacteria for biocontrol of peach crown gall disease.The disease control rate by the strain was more than 95% in the fields. The cells of the strain are rod-shaped(0.6—0.8×2—4μm)gram negative and do not form capsule and spores.They are motile by polar flagella.The strain could produce diffusible orange-green pigment when cultured in King's media.In the glucose oxida- tion ferment ation test,it showed the reaction of oxidative acid production.Being oxidase-positive and 3-ketolactose negative,it did not require growth factor,and did not accumulate poly-β-hydroxybutyrate intracellularly,and Could hydrolyze gelatin. According to the morphological and physiological charateristics,the strain 1-1-4 is identical to Pseudomonas fluorescens that is completely different from the strain K84 (A grobacterium radiobacter K84).

运用平皿相互拮抗筛选法,从上海市郊桃园土壤中分离得到一株编号为1-1-4的细菌菌株,田间防效可达95%以上。本文报道了菌株1-1-4细菌分类鉴定的结果。鉴定菌株细胞杆状,0.5—0.6×0.6×2—4μm,不产生芽孢和荚膜,极生鞭毛(鞭毛数目大于1),格兰氏染色阴性。在金氏(king)培养基上能产生黄绿色荧光色素。氧化酶阳性,葡萄糖氧化发酵试验显示氧化产酸,3-酮基乳糖的产生呈阴性,不需要特殊的生长因子,在细胞内不积聚β-羟基丁酸盐颗粒,能水解明胶等。在主要的形态和生理生化特征上比较鉴定菌株与荧光假单胞菌(Pseudomonas fluore-cens),两者十分相似,被认为是同一个种,明显不同于菌株 K84(Agrobacterium radiobacterK84)

 
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