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冬孢子形态
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  “冬孢子形态”译为未确定词的双语例句
     STATISTIC ANALYSIS BASED ON THE TELIOSPORES MORPHOLOGICAL CHARACTERS IN DIFFERENTIATING DWARF SMUT FROM STUNKING SMUT
     根据统计分析冬孢子形态特性区分小麦矮腥黑穗病和网腥黑穗病的方法
短句来源
     Based on these characters,this fungus is considered to be Melampsora rostrupii Wagner,and it is believed to be the first collection in this country.
     根据冬孢子形态,病原菌暂定名为 Melampsora rostrupii Wagner。
短句来源
     After morphological studies under microscope and scanning electro-microscope by observing urediospore, teliospore and in somecase with spemogone and aecidium. Their classification, described their characteristics of each species, their host range and geographical distribution are discussed. In this paper 28 species of Puccinia parasitic on Compositae are repoted, among which, 18 species are known species and 10 species are new records in China: Puccinia saussureae;
     作者1987~1988年采集并收集整理八一农学院真菌标本室保存的自60年代起至今在全疆各地采集的菊科植物锈病标本共103份,经光学显微镜和扫描电子显微镜下观察各份标本的的夏孢子,冬孢子形态,参考性孢子器及锈孢子器形态和寄主,分类鉴定出新疆菊科植物柄锈菌28个种,18个已知种,10个是全国新记录:Puccinia saussureae;
短句来源
  相似匹配句对
     MORPHOLOGY OF THE COSTA
     肋的形态
短句来源
     1 .appearance:In order to overcome the insufficient of the index signs in the past, such three kinds of index signs are selected.
     1.形态
短句来源
     Based on these characters,this fungus is considered to be Melampsora rostrupii Wagner,and it is believed to be the first collection in this country.
     根据冬孢子形态,病原菌暂定名为 Melampsora rostrupii Wagner。
短句来源
     STATISTIC ANALYSIS BASED ON THE TELIOSPORES MORPHOLOGICAL CHARACTERS IN DIFFERENTIATING DWARF SMUT FROM STUNKING SMUT
     根据统计分析冬孢子形态特性区分小麦矮腥黑穗病和网腥黑穗病的方法
短句来源
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  teliospore morphology
Similarities in the teliospore morphology and host relationship of the four Puccinia species suggest their close phylogenetic relationship.
      
This microcyclic fungus is similar to the two macrocyclic fungi in its telial structure and teliospore morphology.
      
Comparative studies on the teliospore morphology and ontogeny ofSpumula serispora, spec.
      
Teliospore morphology can be variable and tends to overlap among species, making identification based solely on teliospores difficult.
      


Melampsora rostrupii Wagner severely infected the seedlings and young trees of Populus tomentosa L,which caused a sharp decreasing in the growth-rate both in length and in width.Generally,the mycelia of the pathogen overwintered in the winter buds, or in the cambium region of the current twigs occasionally.Although the teliospores were existed,yet since no alternate host had been found,that they were of little importance in the occurrence of the disease. Uredospores were produced abundantly on young leaves,leafscars,or...

Melampsora rostrupii Wagner severely infected the seedlings and young trees of Populus tomentosa L,which caused a sharp decreasing in the growth-rate both in length and in width.Generally,the mycelia of the pathogen overwintered in the winter buds, or in the cambium region of the current twigs occasionally.Although the teliospores were existed,yet since no alternate host had been found,that they were of little importance in the occurrence of the disease. Uredospores were produced abundantly on young leaves,leafscars,or infected stems, beginning from the end of March.Such initial infection would soon become an out- break of the disease from May,until the end of September. Uredospores germinated quickly on the back of leaves after inoculated at 19.8— 23.6℃ in 1—2 days at a relative humidity of 100 per cent.However,none or very few spores germinated on the upper surface of the leaf.The development of the epidemic required a monthly mean temperature 18.2—26.8℃,and it would be of little influence when a relative humidity was below 48.1%.Thus,temperature was the main environ- mental factor which influenced the development of this epidemic. Uredinia hypophyllous,scattered or somewhat confluent,roundish,small,1 mm in width;naked when young,somewhat pulverlent,orange-yellow,light-yellow on the oppo- site sides of the pustules,and amphigenous on infected leaves. Uredospores globose,sub-globose or oval,15—22.5×17.5—27.5μ,wall colorless,3μ thick,evenly verrucose with fine papillae;paraphyses capitate or clavate,smooth,50— 75μ long,head 15—23μ broad,wall 3—6μ thick. Telia hypophyllous,sometimes amphigenous,scattered,around the old uredinia,ir- regular roundish,small,1/2—1 mm width,subepidermal,slightly elevated,greyish-brown; teliospous prismatic,1-celled,flat or round at the head,broader in top,7.5—10× 37.5—50μ,light brown,smooth,wall 1—2μ thick. Based on these characters,this fungus is considered to be Melampsora rostrupii Wagner,and it is believed to be the first collection in this country.

毛白杨锈病对于毛白杨苗木和幼树生长是极不利的。这种病害在我国尚系初次发现。病原菌以菌丝状态在寄主冬芽或嫩梢中越冬,春季3、4月间冬芽开展时即在嫩叶上出现夏孢子堆,成为初灰侵染的主要来源。4月下旬—5月上旬是病害的大暴发期,6月底—7月初达到高峰,并持续到9月底。接种在叶背面绒毛上者,予以大气饱和湿度,在19.8—23.6℃中,1—2天即萌发;但接种在叶面者极少萌发。潜育期在日平均温度14.2—19℃中(变温范围15.6—23℃)为时4—4.5天。病害流行期中,月平均温度为18.2—26.8℃,相对湿度低达48.1%时仍不受影响。冬孢子堆多生于叶背面原来生夏孢子堆处的外围或附近处,隆起作馒头状,其上复有寄主的表皮组织。各孢子为棱柱状,顶端略平而圆,无棱角,上宽下窄,淡褐色,37.5—50×7.5—10微米大小,壁厚2微米,表面平滑。根据冬孢子形态,病原菌暂定名为 Melampsora rostrupii Wagner。

Quarantine inspection of wheat dwarf smut (Tilletia controversa Ku-hn) in thousand-tons of wheat imported from foreign countries has beenhampered by scarcity,if not complete absence of the characteristic un-broken smut galls as well as by intermingle of the teliospores of thesetwo smuts on the wheat grains,furthermore the morphological charac-ters of these two kind smuts (T.controvecsa and T.casies) are,as a rule,overlapped each other,thus making differentiation of smut species withdifficulty.Accordingly,statistical...

Quarantine inspection of wheat dwarf smut (Tilletia controversa Ku-hn) in thousand-tons of wheat imported from foreign countries has beenhampered by scarcity,if not complete absence of the characteristic un-broken smut galls as well as by intermingle of the teliospores of thesetwo smuts on the wheat grains,furthermore the morphological charac-ters of these two kind smuts (T.controvecsa and T.casies) are,as a rule,overlapped each other,thus making differentiation of smut species withdifficulty.Accordingly,statistical analysis of the ridge height and thegelatinoid sheaths thickness were undertaken.The results have revealedthat among 70% of the spores with height of ridge ranged between 1.5-2.5 μ and thickness of gelatinoid sheaths ranged between 2-3 μ couldbe attributed to T.controversa while those with lower values to T.ca-ries.The results of spore morphology analyses and teliospore germinationtests are agreeable.

检查进口小麦矮腥黑穗病(Tilletia controversa Kühn)病瘿的形态、硬度,粘着性,不育孢子等是经常采用的比较可靠的鉴定性状,然而,在大量的进口小麦中,往往不易获得完整病瘿。此外,小麦矮腥黑穗病和网腥黑穗病菌的冬孢子形态特征交叉重叠,不易明确地划分。因此作者采用统计方法分析孢子的各个形态特征,结果发现凡70%以上的孢子,其网脊高度集中在1.5~2.5微米之间,胶质鞘厚度集中在2~3微米之间者认为可鉴定为小麦矮腥黑穗病;小于这些数值的为小麦网腥黑穗病。这个方法与孢子萌芽生理鉴定方法比较,两者所取得的结果是一致的。

The blister rusts of Chinese pine and Japanese red pine are most seri- ous on the branches and stems of the double needlelike leaf pines.The aecidiospores taken from the diseased barks of Chinese pines and Japanese red pines were separately inoculated on Paeonia obovata Haxim,P.lactiflora Pall.,Pedicularis resupinata L.,P.verticillata L.,Ri- bes komrovii A.Poark.,[R.manschuricum(Maxim.)Kom.],R.odoratum Wendl.and[Gro- ssularia burejensis(Er.Schmidt)Berger]both indoors and outdoors.Inoculations were suc- cessful...

The blister rusts of Chinese pine and Japanese red pine are most seri- ous on the branches and stems of the double needlelike leaf pines.The aecidiospores taken from the diseased barks of Chinese pines and Japanese red pines were separately inoculated on Paeonia obovata Haxim,P.lactiflora Pall.,Pedicularis resupinata L.,P.verticillata L.,Ri- bes komrovii A.Poark.,[R.manschuricum(Maxim.)Kom.],R.odoratum Wendl.and[Gro- ssularia burejensis(Er.Schmidt)Berger]both indoors and outdoors.Inoculations were suc- cessful only on the peonies.Typical symptoms appeared on the leaves.Inoculations with ure- diniospores were also successful.On peonies urediniospore,uredium,teleutospore and te- leutosorus are of same shape.It was therefore confirmed that the blister rust of Chinese pine and the blister rust of Japanese red pine are caused by the same pathogen——[Cronartium flaceidum(Alb.et Schw.)Wint.] It was not successful to inoculate the pathogen on other tested plants.The alternate hosts of the blister rusts in Liaoning Province,based on our inoculation results,are Paeonia obovata Haxim.and P.lactiflora Pall.

油松与赤松疱锈病是两针松类枝干上的重要病害,从油松和赤松主干病皮上取锈孢子分别向山芍药、芍药、返顾马先蒿、轮花马先蒿、长白茶藨子、东北茶藨子、香茶藨子和刺李进行室内和室外人工接种试验,终于在山芍药、芍药上接种成功,产生与自然状态下相同的典型症状。同样方法用夏孢子接种也都成功,在两种芍药上所产生的夏孢子堆与冬孢子柱以及夏孢子与冬孢子的形态也基本相同。由此可以肯定,油松疱锈病与赤松疱锈病是同一病原,病原菌为松芍柱锈菌[cronartium flaccidum(Alb·et Schw·)Wint]。取锈孢子用同样方法经多次在返顾马先蒿、轮花马先蒿、长白茶藨子、东北茶藨子、香茶藨子和刺李上接种,均未成功,因此认为这些植物与此两种疱锈病的发生无关,两种疱锈病在辽宁的转主寄主是山芍药(Paeonia obovata Haxim.)和芍药(P.lactiflora Pall.)。

 
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