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马尾松
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  masson pine
    A PRELIMINARY STUDY ON THE AGE STRUCTURE AND DISTRIBUTION PATTERN OF MASSON PINE POPULATION ON THE JINYUN MOUNTAIN, SICHUAN PROV., CHINA
    缙云山马尾松种群年龄结构和分布格局的初步研究(英文)
短句来源
    Inheritance and Linkage of GOT, LDH and MDH Isozymes in Masson Pine(Pinas massoniana Lamb.)
    马尾松GOT、LDH和MDH同工酶的遗传方式和连锁关系
短句来源
    A PRELIMINARY STUDY OF THE AGE-STRUCTURE OF MASSON PINE POPULATION AT JINYUN MOUNTAIN
    缙云山马尾松种群年龄结构初步研究
短句来源
    GENETIC STRUCTURE OF NATURAL POPULATION IN MASSON PINE
    马尾松天然群体的遗传结构
短句来源
    ATMOSPHERIC SO_2 POLLUTION AND DECLINE OF MASSON PINE(PINUS MSSONIANA)FOREST IN NANSHAN, CHONGQING
    重庆南山大气SO_2污染与马尾松衰亡的关系
短句来源
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  “马尾松”译为未确定词的双语例句
    NONLINEAR RESPONSE FUNCTION OF GROWTH OF PINUS MASSONIANA TO CLIMATE
    马尾松直径生长与气侯的非线性响应函数
短句来源
    Study on Seed Distribution of P. massonina and P. thunbergiana by Protein electrophorcsis
    马尾松与黑松种子醇溶蛋白鉴别的研究
短句来源
    Effects of Environmental Conditions on the Rate of Seed Germination of the Pinus massoniana and Castanopsis fissa
    环境条件对马尾松和藜蒴种子萌发率的影响
短句来源
    Studies on Litterfall and Carbon Storage of Pinus massoniana Forest in Zhejiang Province
    浙江省马尾松(Pinus massoniana)林凋落物量及土壤碳库的初步研究
短句来源
    Comparison of Five Methods of DNA Extraction From Pinus massoniana
    五种提取马尾松基因组DNA方法的比较
短句来源
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  masson pine
Organic acid exudation from the roots of Chinese fir (Cunninghamia lanceolata) and Masson pine (Pinus massoniana) seedlings under low phosphorus stress was studied using the solution culture method.
      
The results revealed that organic acid exudation from the roots of Chinese fir and Masson pine seedlings under low phosphorus stress increased.
      
Compared with P3 (KH2PO4, 0.5 mmol/L), the average organic acid exudation from the root of Masson pine seedlings under P0 (KH2PO4, 0 mmol/L), P1 (KH2PO4, 0.03 mmol/L) and P2 (KH2PO4, 0.09 mmol/L) increased by 328.6%, 267.9% and 126.4% respectively.
      
Masson pine from Zhejiang Province in China had the highest organic acid exudation.
      
Under low phosphorus stress, the increase in organic acid exudation from the different provinces of Chinese fir and Masson pine varied.
      
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The pine caterpiller is one of the most important pests of pine tree in China.There are many natural enemies of pine caterpillers, such as parasites, predators etc.Determining the influence of natural enemies upon the outbreak of pine caterpiller isa very important task. A systematic study especially on the activities of parasites uponpine caterpiller was carried out in 1954 in Tung-an, Hunan Province. The present paperis a preliminary report, which narrates the results obtained from the examinations andpoints...

The pine caterpiller is one of the most important pests of pine tree in China.There are many natural enemies of pine caterpillers, such as parasites, predators etc.Determining the influence of natural enemies upon the outbreak of pine caterpiller isa very important task. A systematic study especially on the activities of parasites uponpine caterpiller was carried out in 1954 in Tung-an, Hunan Province. The present paperis a preliminary report, which narrates the results obtained from the examinations andpoints out that the parasites exert great influence on the outbreak of the pine cater-piller. The results are as follows: 1. According to the observation in 1954, there are many natural enemies, whichprey upon the pine caterpiller on Pinus massoniana in Tung-An district. Among these,the parasites are the most decisive factor in limiting or suppressing the outbreak ofpine caterpiller. 2. The egg parasites are:Telcnomus dendrolimusi Chu, Trichogramma evanescensWestwood, Anastatus gastropachae Ashmead, Enterus tabatae Ishii, Pachyneuron nawaiAshmead and Eupteromalus sp. Among these, the first three are more important. 3. The percentage of egg parasitization of the first brood is 12.76%, of which,5.83% is due to T. dendrolimusi. As to the second brood, it increases to 40.61%, ofwhich 33.45% is due to T. dendrolimusi. 4. From the observations made during the peroids of emergence of the egg para-sites, we have obtained some knowledge about the biological characteristics of them.These ideas offered some important suggestions for the practical application of egg para-sites. 5. The larval parasites are: Campoplex bicolor Ashmead, Rhythmonotus takagii(Mats.), Rhogas spectabilis (Mats.), Phanerotoma flavida Enderlein, Apanteles liparidisBouche, Sarcophaga peregrina R.-D., Beauveria bassiana (Bals.)ere. Among these, B.bassiana and the parasitic flies are the major ones. 6. The results of three sets of observations on larval parasites show that the deathrate (including parasitization) of the overwintered larvae is 56.62%, of the first brood82.83%, and of the second brood 40.83%. Thus the death rate (mainly parasitization) isconsiderably high. 7. The pupal parasites are: Xanthopimpla japonica Krieger, Brachymeria obscurata(Walker), Stenaraeoides octocinctus (Ashmead), Pimpla disparis Viereek, Iseropus sa-tanas (Morley), Sarcophaga peregrina R.-D., Beauveria bassiana (Bals.) etc. Amongthese, X. japonica, the parasitic flies and B. bassiana are the major ones. But it mustbe noted that probably due to the parasitization of the fungus, a high percentage ofpupae failed to transform into adults. For example, for the overwintered brood, it is86.68%, the first brood 40.11%. It is worthy for further study. 8. The results of two sets of observations on pupal parasites show that the deathrate (including parasitization) of the overwintered brood pupae is 54.72%, that of thefirst brood pupae is 66.70%. Thus the death rate (mainly parasitization) is also consi-derably high.

1.据1954年考查,东安马尾松毛虫的天敌很多,尤其是寄生天敌,它是限制或抑制松毛虫大发生的决定性因素。 2.卵期的寄生天敌有:松毛虫黑卵蜂,赤眼蜂,平腹小蜂,白角小蜂,名和小蜂及金小蜂等六种,其中以前三种较为重要。 3.第一代松毛虫的卵寄生率为12.76%,其中黑卵峰的寄生率达5.83%,第二代松毛虫的卵寄生率为40.61%,其中黑卵蜂的寄生率达33.45%。 4.松毛虫各种卵蜂羽化时期及数量的观察,使我们初步了解卵蜂的一些生物学特性,对于今后饲放卵寄生蜂防治松毛虫的措施提供了重要依据。 5.幼虫期的寄生天敌有:两色瘦姬蜂,黑胸姬蜂,红头小茧蜂,黄甲腹小茧蜂,毒蛾绒茧蜂,寄生蝇类及白僵病菌等,其中以白僵病菌及寄生蝇类较为重要。 6.三次幼虫期寄生天敌的考查可以看出:越冬代老熟幼虫的死亡率(包括寄生率)达56.62%,第一代幼虫的死亡率(包括寄生率)达82.83%,第二代幼龄幼虫的死亡率(包括寄生率)达40.83%,幼虫期的死亡率(主要是寄生率)相当高。 7.蛹期的寄生天敌有:日本黑点姬蜂,大腿蜂,花胸姬蜂,黑瘤姬蜂,松毛虫瘤姬蜂,寄生蝇类及白僵病菌等,其中以日本黑点姬蜂、寄生蝇类及白僵病菌等较为...

1.据1954年考查,东安马尾松毛虫的天敌很多,尤其是寄生天敌,它是限制或抑制松毛虫大发生的决定性因素。 2.卵期的寄生天敌有:松毛虫黑卵蜂,赤眼蜂,平腹小蜂,白角小蜂,名和小蜂及金小蜂等六种,其中以前三种较为重要。 3.第一代松毛虫的卵寄生率为12.76%,其中黑卵峰的寄生率达5.83%,第二代松毛虫的卵寄生率为40.61%,其中黑卵蜂的寄生率达33.45%。 4.松毛虫各种卵蜂羽化时期及数量的观察,使我们初步了解卵蜂的一些生物学特性,对于今后饲放卵寄生蜂防治松毛虫的措施提供了重要依据。 5.幼虫期的寄生天敌有:两色瘦姬蜂,黑胸姬蜂,红头小茧蜂,黄甲腹小茧蜂,毒蛾绒茧蜂,寄生蝇类及白僵病菌等,其中以白僵病菌及寄生蝇类较为重要。 6.三次幼虫期寄生天敌的考查可以看出:越冬代老熟幼虫的死亡率(包括寄生率)达56.62%,第一代幼虫的死亡率(包括寄生率)达82.83%,第二代幼龄幼虫的死亡率(包括寄生率)达40.83%,幼虫期的死亡率(主要是寄生率)相当高。 7.蛹期的寄生天敌有:日本黑点姬蜂,大腿蜂,花胸姬蜂,黑瘤姬蜂,松毛虫瘤姬蜂,寄生蝇类及白僵病菌等,其中以日本黑点姬蜂、寄生蝇类及白僵病菌等较为重要,但需指出,可能是因为病菌寄生的原因,未羽化蛹的比例很大,如在越冬代占36.68%,第一代占40.11%,这是值得今后深?

Six known species, two new species and one new subspecies are described, which arecollected in China, and all belonging to the genus Dendrolimus Germar. The charactersused for the identification of species are: the patterns of the forewing, the structure of thescales and genital organs; the size and structures surrounding the micropyle of the eggs;tufts of the subdorsalis anterior of the mature larvae and the shapes of the pupal cre- masters. Besides, keys to adults, eggs and larvae are prepared separately,...

Six known species, two new species and one new subspecies are described, which arecollected in China, and all belonging to the genus Dendrolimus Germar. The charactersused for the identification of species are: the patterns of the forewing, the structure of thescales and genital organs; the size and structures surrounding the micropyle of the eggs;tufts of the subdorsalis anterior of the mature larvae and the shapes of the pupal cre- masters. Besides, keys to adults, eggs and larvae are prepared separately, each basedupon the more common and conspicuous characteristics. Types are preserved in theMuseum of the Institute of Zoology, Academia Sinica, Peking. Dendrolimus tabulaeformis Tsai et Liu, n. sp. Colour variable, being pale greyish brown to deep brown. closely allied to D.punctatus Wk., but with distinguished transverse stripes and not strongly curved costalmargin on the primaries. Submarginal line broken into black spot-series, to line through2 spots in the 1st and 2nd interspaces crossed with the termen. white discocellularspot on primaries much clear than ; transverse stripes distinct; submarginal black spot-series is defined internally by reddish brown colour which is quite different from thatof D. punctatus. Minor harpe. of male genitalia approached to 1/2 the length of the major;mid-antevaginalis of female genitalia large, latero-antevaginalis nearly round. Micropyleend of the eggs without distinct protuberance; surrounding micropyle with 2--3 layers ofinner-layer cells; outer-layer cells with irregular stripe like central invaginations. Abovethe mid- and metathoracic segment of larvae with black belt-like hairy scales; tufts ofsubdorsalis anterior strongly developed; the base of tufts not covered with spindle-shapedscales, only with black hairs; spatulate hairs small, scarcely with dental ends.: length,20—28 mm.; exp., 45—61 mm. : length, 23—30 mm.; exp., 57—75 mm. Holotype: , Hopeh: Lanping (1961, Ⅷ, 2), allotype: , Peking (1955, Ⅶ,21), paratype: 15 specimens (,) from various localities of Hopeh and Liao-ning provinces. Dendrolimus xichangensis Tsai et Liu, n. sp. Primaries light brown; median and postmedian lines deep brown, the interspacebrown; costal margin 1/3 near the apex strongly curved; outer margin wavy. Submarginalline broken into black spot-series, to line through 2 spots in the 1st and 2nd interspacescrossed with the apex. Minor harpe of male genitalia strongly chitinized, with a 90°turning, closely connected with major, mid-antevaginalis and latero-antevaginalis of fe-male genitalia fused together. Micropyle end of the eggs without distinct protuberane;surrounding micropyle without middle layer cells; outer layer cells without central in-vaginations; corner-setae sometimes not distinct, but with distinct basal papilla. Abovethe mid- and metathoracic segment of larvae without black belt-like hairy scales; lateralside of each abdominal segment with black tufts. : length, 37 mm.; exp., 60 mm.: length, 37 mm.; exp., 78 mm. Holotype: , allotype: , Szechuan: Xichang (1959). Dendrolimus kikuchii ochraceus Tsai et Liu, n. ssp. The characters used for the identification of this subspecies are closely allied to D.kikuchii Mats., but with distinguish dark brown color in , distributed in Hunan andKiangsi provinces, with Pinus massoniana Lambert as its hostplant. : length, 38 mm.;exp., 62 mm. : length, 38 mm.; exp., 83 mm. Holotype: , allotype: , Kiangsi: Yifeng (1959, Ⅶ, 3).

松毛虫属变异较复杂,过去文献上的记载比较紊乱,本篇着重以各虫期的形态特征为主,修订记载了我国严重为害松柏科的6种松毛虫,计:西伯利亚松毛虫(Dendrolimus sibiricus Tschetv.),赤松毛虫(D.spectabilis Butler),马尾松毛虫(D.punctatus Walker),铁杉毛虫(D.superansButler),云南松毛虫(D.latipennis Walker),和思茅松毛虫(D.kikuchii Mats.),同时记述了2个新种,计:油松毛虫 (D.tabulaeformis Tsai et Liu)和西昌松毛虫(D. xichangensis Tsai et Liu)及1个新亚种:赭色松毛虫(D.kikuchii ochraceus Tsai et Liu)。模式标本保存在中国科学院动物研究所。 新种油松毛虫和赤松毛虫、马尾松毛虫很近似,但其成虫前翅较狭长,中横线与外横线为白色,亚外缘斑列内侧有白色斑;外生殖器小抱针长度约为大抱针的1/2;外生殖器侧前阴片接近圆形。卵壳上内层室和中层室壁很薄,外层室中央凹下部分呈不规则条状。幼虫毛片束发达...

松毛虫属变异较复杂,过去文献上的记载比较紊乱,本篇着重以各虫期的形态特征为主,修订记载了我国严重为害松柏科的6种松毛虫,计:西伯利亚松毛虫(Dendrolimus sibiricus Tschetv.),赤松毛虫(D.spectabilis Butler),马尾松毛虫(D.punctatus Walker),铁杉毛虫(D.superansButler),云南松毛虫(D.latipennis Walker),和思茅松毛虫(D.kikuchii Mats.),同时记述了2个新种,计:油松毛虫 (D.tabulaeformis Tsai et Liu)和西昌松毛虫(D. xichangensis Tsai et Liu)及1个新亚种:赭色松毛虫(D.kikuchii ochraceus Tsai et Liu)。模式标本保存在中国科学院动物研究所。 新种油松毛虫和赤松毛虫、马尾松毛虫很近似,但其成虫前翅较狭长,中横线与外横线为白色,亚外缘斑列内侧有白色斑;外生殖器小抱针长度约为大抱针的1/2;外生殖器侧前阴片接近圆形。卵壳上内层室和中层室壁很薄,外层室中央凹下部分呈不规则条状。幼虫毛片束发达,片状毛小,先端极少有齿状突起,无贴体倒伏鳞毛。 新种西昌松毛虫和云南松毛虫、思茅松毛虫比较近似,但成虫前翅中横线与外横线之间明显形成褐色宽带;外生殖器前阴片愈合成一块。卵壳表面无花斑。幼虫胸部背面无明显毒毛带,但体侧有黑丛毛。根据以上几点,显然和其他两种松毛虫有区别。 新亚种赭色?

China is one of the countries with the most numerous species of Dendrolimus in theworld. There are 13 known species. According to the research on the classification anddistribution of Dendrolimus in the country, by the Institute of Zoology, Academia Sinica,during the past years, the results indicate distinctly that their geographic distribution andthe distribution of their host-plant are closely related. Selecting the highest grade flora of China, we draw a line which divides the wholecountry into two main portions:...

China is one of the countries with the most numerous species of Dendrolimus in theworld. There are 13 known species. According to the research on the classification anddistribution of Dendrolimus in the country, by the Institute of Zoology, Academia Sinica,during the past years, the results indicate distinctly that their geographic distribution andthe distribution of their host-plant are closely related. Selecting the highest grade flora of China, we draw a line which divides the wholecountry into two main portions: the eastern and western divisions. The former, wherethe climate is humid and pine forests are luxuriant, is the main distributional region ofDendrolimus, while the latter, where weather is arid and with plenty of desert stepp-es, generally there are no Dendrolimus. At the same time, it has also been discoveredthat the distribution of Dendrolimus is not only closely related to altitude, but also tolatitude. According to the distribution of their host-plant, Larix olgensis var. koreanaand Pinus massoniana (with the isotherm of an average temperature of January at--12℃ and 0℃), we assume to subdivide the eastern division to 3 regions as north-eastern, northern and southern districts of China. In each of the districts there are dif-ferent distributions of Dendrolimus. Generally in the northeastern district of China, theD. sibiricus Tschetv. is distributed. The northern and the southern districts of China mayagain be subdivided into its own inland and coastal parts. The D. tabulaeformis Tsaiet Liu is distributed in the terrestrial and the D. spectabilis Butler in the coastal partof northern district of China. A great part of southern district of China is distributedwith coastal D. punctatus Walker, and the southwestern inland region is distributed withthe D. latipennis Walker, D. xichangensis Tsai et Liu and D. kikuchii Mats. The divisionbetween inland and coastal parts within the two districts mainly depends upon the dis-tribution of the host-plant of Pinus tabulaeformis Carr. and Pinus massoniana Lamb.

我国的松毛虫种类已知的有13种,是世界上已记载的松毛虫种类最多的国家。 根据中国科学院动物研究所历年来在国内所收集的松毛虫种类和分布的资料,结合已知主要松树种类的天然分布进行综合分析的结果,显示出松毛虫不同种类的地理分布与其寄主植物的天然分布有着密切的相关。例如西伯利亚松毛虫的分布只限制在东北地区兴安落叶松、黄花松的天然分布范围里,油松毛虫在油松分布区,赤松毛虫在赤松分布区,云南极毛虫在云南极分布区以及马尾松毛虫在马尾松分布区等。 由于这些松树种类彼此间的天然分布界限十分明显而基本上少有重迭,因此试将我国东部地区松毛虫不同种类的地理分布按照其寄主植物划分为以下三个部分、五个松毛虫区: 一、东北部分 北界大兴安岭,南至安东—沈阳线(相当于全国一月份平均-12℃等温线),是西伯利亚松毛虫主要分布区,也是兴安落叶松和黄花松天然分布所在地。故名1)西伯利亚松毛虫区。 二、华北部分 北界西伯利亚松毛虫区,南至淮河流域(相当于全国一月份平均0℃等温线),是油松毛虫和赤松毛虫主要分布区,也是油松和赤松的主要分布所在。因此可分为2区: 2)油松毛虫区 主要位置在冀热山地和黄土高原东部,是油松毛虫分布区...

我国的松毛虫种类已知的有13种,是世界上已记载的松毛虫种类最多的国家。 根据中国科学院动物研究所历年来在国内所收集的松毛虫种类和分布的资料,结合已知主要松树种类的天然分布进行综合分析的结果,显示出松毛虫不同种类的地理分布与其寄主植物的天然分布有着密切的相关。例如西伯利亚松毛虫的分布只限制在东北地区兴安落叶松、黄花松的天然分布范围里,油松毛虫在油松分布区,赤松毛虫在赤松分布区,云南极毛虫在云南极分布区以及马尾松毛虫在马尾松分布区等。 由于这些松树种类彼此间的天然分布界限十分明显而基本上少有重迭,因此试将我国东部地区松毛虫不同种类的地理分布按照其寄主植物划分为以下三个部分、五个松毛虫区: 一、东北部分 北界大兴安岭,南至安东—沈阳线(相当于全国一月份平均-12℃等温线),是西伯利亚松毛虫主要分布区,也是兴安落叶松和黄花松天然分布所在地。故名1)西伯利亚松毛虫区。 二、华北部分 北界西伯利亚松毛虫区,南至淮河流域(相当于全国一月份平均0℃等温线),是油松毛虫和赤松毛虫主要分布区,也是油松和赤松的主要分布所在。因此可分为2区: 2)油松毛虫区 主要位置在冀热山地和黄土高原东部,是油松毛虫分布区,是油松分布所在地。 3)赤松毛虫区 主要位置在山东半岛、辽东半岛?

 
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