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regional test     
相关语句
  区域试验
     The mean yield was 14 574.1 kg/hm~2 in Jilin regional test from 2003 to 2004,8.9% higher than that of the control variety "Kennian 1";
     2003—2004年吉林省区域试验结果:平均产量14 574.1 kg/hm2,比对照“垦黏1号”增产8.9%。
短句来源
     The results of two-year regional test showed: its mean yield is 40 300 kg/hm~2,34.29% higher than that of the control"Fuer".
     2年区域试验结果:平均产量40 300 kg/hm2,比对照“富尔”增产34.29%。
短句来源
     In Hebei East Cotton Regional Test in 2003-2004,the pre-frost lint yield increased 40.6% and 39.2% than Xinmian33~(B) and DP99~(B).
     2003-2004年在河北省冀东棉花品种区域试验中,霜前皮棉较对照品种新棉33B、DP99B分别增产40.6%和39.2%;
短句来源
     During 2 years country regional test of northwest dry land spring wheat,its average yield is 2 716.88 kg/hm~2,and more than the contrast Dingxi 35 6.39%.
     该品系在2 a的国家西北旱地春小麦区域试验中,平均折合产量2 716.88 kg/hm2,比对照品种定西35增产6.39%;
短句来源
     The average yield in regional test is(178 488.8)(kg/)hm~2,and more than Wanfeng by 23.4% in mountainous areas of south Ningxia.
     在宁南山区区域试验中,平均折合产量178 488.75 kg/hm2,较对照品种晚丰增产23.4%。
短句来源
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  区试
     Its average yield was(8 019.0) kg/hm~2 from 2003 to 2004 in national regional test,which was 5.3% and 6.8% higher than that of the check Jinza 12 and Jinza 93,respectively.
     在2003-2004年的国家高粱区试中平杂8号平均折合产量8 019.0 kg/hm2,较对照晋杂12和锦杂93分别增长5.3%和6.8%。
短句来源
     The variety gave a average yield of 3 992.10kg/hm 2 which outyielded the control Shanyou 27 by 8.76% in Regional Test of Guangdong during 1988~1989, and the highest yield were 7 746.75kg/hm 2 in Production Test of Guangdong province.
     广东省区试平均产量 3 992 .1 0 kg/ hm2 ,比对照汕油 2 7增产8.76% ,生产示范最高产量达 774 6.75kg/ hm2 。
短句来源
     The yield of regional test at five sites was 182.8~280 kg/667m~(2),the highest even reached at 306.3(kg/667m~(2)),7.76%~32.7% higher than the check Jingsong 49;
     其区试平均产量182.8~280.0 kg/667m2,最高产量达306.3 kg/667m2,比(CK)增产7.76%~32.7%,生产试验平均产量222.75 kg/667m2,比(CK)增产14.2%。
短句来源
     The average yield of the new line amounted to 1 042.5 kg/hm~2 in the Dingxi regional test in 1997-1999,an increase of 40.40% over check Vareity Green Pea.
     该品系在1997-1999年地区区试中,平均折合产量1042.5kg/hm2,比对照品种绿豌豆增产40.4%;
短句来源
     Total 34 sites data was analyzed from the National Sugarbeet Variety Regional Test from 2002 to 2003.The mean root yield was 61950.8 kg/ha,increased by 25.3% in comparison with control variety;
     在2002~2003年的国家甜菜品种区试中,全国两年34个点次平均根产量61950.8 kg/hm2,比对照品种提高25.3%;
短句来源
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  区域性试验
     New two line hybrid rice, Liangyou 363 was outstanding for its yield, quality and aroma comparing with the check hybrid rice, Shanyouwan 3, for the regional test and production tests in Guizhou province.
     优质两系杂交稻两优 363经区域性试验和生产试验 ,产量与对照汕优晚 3相当 ,12项稻米品质检测除垩白米率 ( 14% )外 ,其余 11项指标均达农业部颁优质稻米标准二级以上 ,并具有香味。
短句来源
     Regional test of 3 Cichorium intybus varieties was done during 2001-2003 in Luodian、Duanshan、Dafang county. The green yield、regeneration、seed yield was measured.
     2001-2003年以3个菊苣Cichorium intybus品种在罗甸、独山、大方等地区进行区域性试验
短句来源
     Regional test of Cichorium intybus in Guizhou
     菊苣在贵州的区域性试验
短句来源
     A lot of excellent fast growing families were selected by selecting puls-trees, establishing seed orchards, progeny test etc. The regional test plantation was established with the selected excellent families. The analytical results of 5-year old plantation were showed as follows: (1) 41 excellent families were selected, and the average volume genetic gain was 23.9%, the selection rate was 39.4%.
     以全国10个省(区)14个杉木初级种子园的112个优良家系为试材,在浙江两个点进行区域性试验,5年的调查资料分析结果如下:①选出了41个优良家系,其选择率为39.4%,平均材积遗传增益达23.9%。
短句来源
     Regional test on 35 prelimiary selected excellent families in 1983 showed that after 4 years observation, 8 families were better than others which had evident high yield; 17 dominant trees selected,there yield of the 4th year was 138.2% of the primary improved families,besides, 37.7% could be increased during mature period; it was reasonable to select excellent family at the 4-year.
     1959年,将初选出的35个优良家系作进一步的区域性试验,经过4a观测研究后认为.①61号等8个家系,表现突出,在我市推广,增产明显,②选出的17株优树,同初级良种相比,第4年增产138.2%,成熟期可望增产37.7%,③杉木4a生时,进行选择是较为可靠的.
短句来源
  区域试验的
     8 varieties were comprehensively evaluated in the peanut regional test during 1994 ~ 1996 by the method of grey relativity analysis.
     应用灰色关联度原理和方法,综合评价了1994~1996年度花生区域试验的8个参试品种。
短句来源
     A Cross-nest Mixed Model in the Design and Analysis of Regional Test of Variety
     甜菜品种区域试验的交叉──巢式混合设计模型
短句来源
     Evaluating the varieties in Henan provincial regional test by grey relational analysis indicated that the varieties 9111-21 and NC89 exceeded in the yield, quality and disease resistance.
     采用灰色关联分析法,对河南省烤烟品种区域试验的参试品种(系)进行多个性状的综合评估,分析结果表明:在产量、品质、抗病性三者兼顾的情况下,9111-21、NC89等表现优良。
短句来源
     newly_breeded rice variety in Jilin province regional test from 1996 to 1998 were identified in resistant to rice blast by artifical infection in seedling stage and natural induced in field for 3 years.
     对 1996~ 1998年参加吉林省区域试验的 35个水稻新品种 ,进行了 3年的苗期人工接种、本田期异地自然诱发抗瘟性鉴定。
短句来源
     Study on Identical and Different Analysis Method of Wheat Variety Regional Test
     小麦品种区域试验的同异分析方法研究
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      regional test
    A regional test of the ricardian theory of comparative advantage
          
    Factor prices, factor proportions, and factor endowments in the pacific northwest: a regional test of the Heckscher-Ohlin theore
          
    crassa cytoplasm proved the best in production test, demonstration and regional test axtd was consequently pre-approved for large-scale plantation.
          


    The Breeding work of Octoploid Triticale since 1957 is summarized as follows:1. The use of crossable gene. The genetic analysis of the crossability between common wheat and rye has shown that s, ss, SA, SN and SQ belong to a multiple allelic series of a single locus. The degree of crossability of these genes can be arranged in such an order, namely, s > ss > SA > SN > SQ. According to the degree of dominance, the order should be reversed as: SQ > SN > ss > SA > s. These findings were properly used in the routine...

    The Breeding work of Octoploid Triticale since 1957 is summarized as follows:1. The use of crossable gene. The genetic analysis of the crossability between common wheat and rye has shown that s, ss, SA, SN and SQ belong to a multiple allelic series of a single locus. The degree of crossability of these genes can be arranged in such an order, namely, s > ss > SA > SN > SQ. According to the degree of dominance, the order should be reversed as: SQ > SN > ss > SA > s. These findings were properly used in the routine work of crosses between wheat and rye.2. Chromosome doubling. Before treatment the wheat-rye hybrid seedlings should be slightly wounded on crown part by a sharp razor blade. Then the hybrid seedlings are exposed in 0.04-0.05% aqueous solution of colchicine for 4 days in room temperature not over 15℃. More than 90% of the treated seedlings could be recovered in greenhouse below 10℃. Among the recovered seedlings, about 40.8% of the sterile F1 hybrid plants would be turned to be partial fertile and various amount of seeds could be obtained from these successful plants. By this procedure, 4,700 primary Triticale strains have been created. In 1961, a new polyploidizing agent was discovered. The name of the agent is Fumiron, or Phenyl mercury-p-toluene sulfonanilide which is a fungicide and has comparable cfficiency in chromosome doubling as colchicine does.3. Fertility and seed plumpness. It was suggested that recombination of genes by hybridization and molding the segregation generations by heavy selection pressure could be the effective measures for the improvement of the fertility and seed plumpness of the octoploid Triticale strains. About two thousand of cross-combinations have been made with various parental stocks which were mostly selected from the primary Triticale strains, and in recent years, hybrid strains and elite plants in segregation generation were used in crosses more frequently than the primary types. The hybrid strains thus developed with normal fertility and acceptible seed plumpness were released to different localities with various natural conditions for yield tests.4. Regional tests. The data collected from regional tests have shown a tendency that the Triticale hybrid strains at present state might be successful in those regions where the yield of common wheat is usually very low and unstable due to severe natural conditions. For example, 10 Triticale strains were tested for yield performance with one rye and two common wheat varieties as checks in 1972-1973 growing season in Weining, a mountainous region of Kweiehow with altitude between 2-3 thousand meters. Eight out of ten Triticale strains have higher yields than both rye and wheat varieties. The best strain, Triticale No. 2 has a yield about 20% higher than that of rye, and 24% and 61% higher than the two varieties of common wheat Ahpo and No. 778 respectively. However, it, should not thus be concluded that the octoploid Tri-ticale is especially suitable for the marginal habitats of common wheat. It is only apparently seeming so at the present state of the Triticale strains which were developed from selection solely directed to the improvement of fertility and seed plumpness without much consideration for other characteristics of agricultural importance. Now, only the hardiness from rye and good seed quality from common wheat generally incoporated in the amphiploid have shown their favourable effect in the marginal regions of these two crops. This might be considered therefore that it is merely a preliminary stage of the Triticale program.

    从1957年以来的八倍体小黑麦育种工作的主要结果总结如下: 1.可杂交基因的应用 小麦和黑麦之间的可杂交遗传分析表明s,s~S,s~A,s~N和s~Q是属于一个基因座的复等位基因。根据可杂交的程度,这些基因可以排成如下的次序,即s>s~S>s~A>s~N>s~Q。根据显性的程度,则其次序就要倒过来成为:s~Q>S~N>s~S>s~A>s。这个发现已被适当地应用于小麦与黑麦的日常杂交工作中。 2.染色体数加倍 小麦-黑麦杂种分蘖苗于处理前在基部用刀片切一浅伤口,而后浸在0.04—0.05%的秋水仙精溶液中4天,室温保持在15℃以下。在10℃以下的温室中,90%以上的处理苗能恢复生长。恢复苗中约有40.8%的F_1不育杂种植株能转变成部分可育的,并以这些成功株上将获得数目不等的种子。用这个方法,曾经制造了4,700个小黑麦原始品系。在1961年,发现了一个新的多倍体诱变剂。药品的名字是富民隆,或称对甲苯磺硫苯胺基苯汞,它是一个杀菌剂,加倍染色体数的效果和秋水仙精一样。 3.结实率和种子饱满度 通过杂交的基因重组和加重分离世代的选择压力是改进八倍体小黑麦的结实率和种子饱满度的有效方法。从小黑麦原始品系中选用各种亲本...

    从1957年以来的八倍体小黑麦育种工作的主要结果总结如下: 1.可杂交基因的应用 小麦和黑麦之间的可杂交遗传分析表明s,s~S,s~A,s~N和s~Q是属于一个基因座的复等位基因。根据可杂交的程度,这些基因可以排成如下的次序,即s>s~S>s~A>s~N>s~Q。根据显性的程度,则其次序就要倒过来成为:s~Q>S~N>s~S>s~A>s。这个发现已被适当地应用于小麦与黑麦的日常杂交工作中。 2.染色体数加倍 小麦-黑麦杂种分蘖苗于处理前在基部用刀片切一浅伤口,而后浸在0.04—0.05%的秋水仙精溶液中4天,室温保持在15℃以下。在10℃以下的温室中,90%以上的处理苗能恢复生长。恢复苗中约有40.8%的F_1不育杂种植株能转变成部分可育的,并以这些成功株上将获得数目不等的种子。用这个方法,曾经制造了4,700个小黑麦原始品系。在1961年,发现了一个新的多倍体诱变剂。药品的名字是富民隆,或称对甲苯磺硫苯胺基苯汞,它是一个杀菌剂,加倍染色体数的效果和秋水仙精一样。 3.结实率和种子饱满度 通过杂交的基因重组和加重分离世代的选择压力是改进八倍体小黑麦的结实率和种子饱满度的有效方法。从小黑麦原始品系中选用各种亲本大约已经做了两千个杂交组合,近年来更多的是用杂种选系和分离世代中好的植株来进行杂交。由此而选育出来的,结实率正常,

    Six varieties of wheat and eleven sites in the Lower Yangtse Yalleywere included in this study.These varieties were grown in a three-replica-te,randomized block layout at each site during the 1981-1983 cropseason.For the regression analysis,the model of Eberhart and Russellwas used.The results of this study showed that these varieties differed conside-rably in values of both two stability parameters,responding to their yield sta-bility and adaptability in this regional test.Simple correlation coefficientsbetween...

    Six varieties of wheat and eleven sites in the Lower Yangtse Yalleywere included in this study.These varieties were grown in a three-replica-te,randomized block layout at each site during the 1981-1983 cropseason.For the regression analysis,the model of Eberhart and Russellwas used.The results of this study showed that these varieties differed conside-rably in values of both two stability parameters,responding to their yield sta-bility and adaptability in this regional test.Simple correlation coefficientsbetween mean yields and stability parameters for comparing varieties werenonsignificant,and one of these varieties was found to be high yielding,stable and widely adapted.Evidence was presented to show that thestability for yield components appeared to have direct influence on yieldstability,and the stability for grains per spike and kernel weight showedgreater effect on yield stability of wheat in this region.This method of analysis should be a valuable tool for breeders to use instudying varietal performence and stability over a range of environments.The results of this method of analysis on the data from uniform re-gional test could be used as an additional criterion to evaluate comprehen-sively new varieties for recommenendation.

    用 Eberhart—Russell 的模式和方法分析了长江下游地区1981~1982年区域试验中6个小麦品种的稳产性。3次重复的随机区组设计的试验在11个地点进行。结果表明各参试品种的两种产量稳定性参数值都有相当大的差异,反映了各品种在本地区有不同的稳产性和适应性。产量与两种稳定性参数之间并没有相关性。有的品种表现了高产、稳产和适应性广。在本地区,每穗粒数和粒重的稳定性对品种的稳产性影响较大。通过研究认为这种分析方法应该可以作为研究品种的稳产性和适应性的有价值的手段,利用区域试验的数据进行这样分析的结果会有助于对参试品种作出较全面的评价,以便加以合理的推广利用。

    The authors point out the problems of the concept and method of stu-dying the physiologic specialization of rust established by Dr.E.C.Stakman and prefer to study the host:pathogen interaction directly.Twenty four wheat materials belonging to commercial cultivars ofHebei,wheat selection in regional test and to be released and source of resistance have been inoculated respectively with 86 isolates of Puccinia recondita f.sp.tritici colleected from various regions in Hebei Province.The result shows obviously...

    The authors point out the problems of the concept and method of stu-dying the physiologic specialization of rust established by Dr.E.C.Stakman and prefer to study the host:pathogen interaction directly.Twenty four wheat materials belonging to commercial cultivars ofHebei,wheat selection in regional test and to be released and source of resistance have been inoculated respectively with 86 isolates of Puccinia recondita f.sp.tritici colleected from various regions in Hebei Province.The result shows obviously that all the commercial cultivars are high-ly susceptible with virulence frequency 89.5~98.8%.The selections in regional test and to be released and source of resistance are either highly susceptible,intermediate or highly resistant.Five varieties namely,shiji-azhuang 74531,78-4020,PKB L16,Lovrin 10,and Lovrin 13,coded by 9,10,18,23,and 24 respectively are highly resistant with virulence frequency 5.8,5.8,11.6,10.7 and 15.1% respectively.Based on the interactions of the 5 resistant varieties mentioned above with the leaf rust,14 virulence formulae can be formulated.The formula 9,10,18,23,24/occurs most frequently with the frequency of 67.44%,

    本文指出了斯塔克曼(Stakman)等建立的研究禾谷类锈菌生理分化的概念和方法存在的一些问题。并改用以河北省的叶锈菌测河北省的小麦品种,来直接研究寄主和病原物的相互作用。试验用了来自河北省的叶锈菌菌株86个,分别测河北省的主要推广品种、将推广或参加区域的品系和抗源共24个。从毒力频率,可以看出已推广的品种都严重感染叶锈病。在将推广或参加区试的品系和抗源中都有感病、抗病和中间类型的材料。有5个品种,即石家庄74531、78—4020、PKB L—16、洛夫林10和洛夫林13是高度抗病的。从寄主和病原物伪相互关系可以看出有14种不同的毒性公式。从公式分析,可以看出2个以上的品种与一系列菌株的关系,即可以看出小麦品种的联合抗病性或叶锈菌的联合致病性。作者们认为,用这种方法直接研究寄主和病原物的相互作用,对抗病育种和生产提供的情报,要比单纯提供一份以编号对小种命名的小种名单要直接和有用得多。这种情报,对于选择品种进行杂交,考虑品种合理布局或进行生物间遗传学研究等都有好处。

     
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