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单株成穗
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  ears per plant
     We investigated and quantitatively described the rule of ear formation per plant and the interrelationships among ears per plant, number of spilelets, grains per ear and weight of 1000 grains in winter wheat Yangmai No. 5 under different sowing time and baise seedlings.
     1987~1989年对扬麦5号在不同播期和基本苗下的单株成穗规律以及单株成穗数、小穗数、每穗粒数和干粒重等穗部性状之间的相互关系进行了分析研究,在基本苗4~20万、播期10月9日~11月9日范围内,基本苗越少、播期越早、个体的潜力越大;
短句来源
     The relationship between ears per plant (x) and grains per ear (y) could be deseribed by equation (?) = ax~b.
     单株成穗数(x)与每穗粒数(y)的关系可用y=ax~b方程加以描述。
短句来源
  “单株成穗”译为未确定词的双语例句
     When the temperature rose to 2-3癈 in early spring, the plastic film was removed, and the number of seed-setting spikes per plant which doubled naturally was 9.1, the number of seeds per plant was 249.7 and the number of seeds per spike was 27.4. They were 3.37, 6.05, 1.86 times as much as those of the plants which doubled naturally in the greenhouse, respectively.
     当早春气温(日均温)回升到2~3℃时,揭去塑料膜,自然加倍的植株单株成穗9.1个,结实249.7粒,穗粒数27.4粒,分别是温室自然加倍的3.37、6.05和1.86倍.
短句来源
     The results showed that with the increase of ion bundle dosage, rate of emergence, spike-bearing numbers per plant, grain numbers per spike and weight per thousand grains all trended to decrease, the decrease rate were not linear with the dosage. wheat seeds were more sensitive between 4×1017 N+.
     结果表明:随着剂量的增加,小麦的出苗率、单株成穗数、穗粒数、千粒重均呈现下降趋势,下降幅度为非直线型,剂量4×1017 N+.
短句来源
     P deficiency significantly decreased ear forming rate of JM2,and the number of grains per ear and thousand-grain weight of CA9325.
     缺磷显著降低JM2的单株成穗数及CA932 5的穗粒数和千粒重。
短句来源
     however the heredity of ear number and yield per plant was affected by dominant gene, their special heredity abilities were 33.04%and 10.71% respectively.
     而单株成穗和单株产量的遗传受显性基因作用较大 ,其狭义遗传力分别只有 33.0 4 %和 10 .71%。
短句来源
     Comparing with the autumn sown winter wheat, the plant height and spike length of summer sown winter wheat became shorter, the spike number per plant and kernel number per spike decreased, kernel number per spike was 10—20, kernel weight per 100 grains wits about 2—3g.
     与正季秋播相比,夏播小麦株高降低,单株成穗少,穗长缩短,每穗小穗数减少,每穗粒数10~20粒,百粒重2~3g。 夏播主要作用在于加速育种世代。
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  相似匹配句对
     r_ 1 , percentage of the available total tillers;
     r1—单株带的所有分蘖的率;
短句来源
     enhancing productive panicle rate;
     提高率;
短句来源
     (2)Raising rate of effect ear.
     提高率;
短句来源
     RESEARCH FOR CORRELATIONS BETWEEN WHEAT YIELD PROPERTIES AND NUMBER OF EARS PER PLANT
     冬小麦产量性状与单株数的相关性研究
短句来源
     MODELING STUDY OF WINTER WHEAT'S TILLERING AND EARING STAGE ( PART I ) -DYNAMIC-STATISTICAL MODEL OF SINGLE PLANT
     冬小麦分蘖的模式研究之一——单株分蘖的动态统计模式
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  ears per plant
Inoculated plants in which the virus failed to multiply tended to show an increase in the number of ears per plant, resulting in higher grain yield per plant.
      
The behaviour of 19 varieties of spring wheat under different environmental conditions is discussed in terms of the following five characters: weight per grain, grains per spikelet, spikelets per ear, ears per plant and yield of grain per plant.
      
Predictions on the potentialities of the parental combinations involved are made, based on the analysis of yielding capacity and its principal components (grain weight, grains per ear and ears per plant) obtained in F1 and F2 trials.
      
Grain yield and number of ears per plant showed very skew distributions, whereas strawlength was approximately normally distributed.
      
Significant differences between diploids and tetraploids were found in strawdiameter, heading time, number of ears per plant, number of flowers per ear, strawstiffness and resistance to Fusarium nivale.
      
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In order to gain optimum number of panicls for high yielding inrice prodention, a experimental formula was set up as: X=Y/(1+t_1)〔1+(N-n-SN-1-a)r_1〕+t_2r_2In the formula, X stands for the number of basic seedlings needed pemu, Y stands for the optimum number of panicles, N-n stands for thecritical leaf-age-period of effective tillers, SN for the leaf age of theseedlings fransplanted, t_1 for the number of tillers having more than 1leaves, t_2 for the number of tillers being less than two leaves. The r_1and r_2...

In order to gain optimum number of panicls for high yielding inrice prodention, a experimental formula was set up as: X=Y/(1+t_1)〔1+(N-n-SN-1-a)r_1〕+t_2r_2In the formula, X stands for the number of basic seedlings needed pemu, Y stands for the optimum number of panicles, N-n stands for thecritical leaf-age-period of effective tillers, SN for the leaf age of theseedlings fransplanted, t_1 for the number of tillers having more than 1leaves, t_2 for the number of tillers being less than two leaves. The r_1and r_2 represent the rate of effective tillers occured in main tillers andthe rate of survived small tillers respectively. With different vepresentative rice varieties an 1 different treatmentssuch as the sowing norms, the seedlings being of different leaf-age-per-iod, the forms of transplanting different densities of plants transplantedand different fertility levels, the experiment weve carried out in variousecological districts in Jiangsu Province. It was confivmed that the formulaconld be comprehensively used to determine the desirable number ofpanicles developed per seedling the panicles which depend on the mainstems or on the tillers and the proportion of panicles which shoulddevelop from tillers, and that the formula was feasible to direct riceproduction.

本文根据适宜穗数(Y)与单株成穗数的关系,即有效分蘖临界叶龄期(N-n),秧龄(SN),秧苗单株3叶以上大蘖(t_1)与2叶以下小蘖(t_2),以及主茎与大蘖本田的有效分蘖发生率(r_1)与小蘖移栽成活率(r_2),建立基本苗(X)经验公式为: X=Y/((1+t_2)[1+(N-n-SN-1-a)r_1]+t_2r_2) 试验在江苏省不同生态区进行,选择不同类型代表品种,秧苗经密度、秧龄等处理,大田进行不同移栽方式和密,肥处理,并通过4年大面积生产实践,确认该公式能较全面地反映单株成穗数,依靠主茎还是分蘖成穗以及分蘖穗应占的比例,在指导生产上是切实可行的。

The breeding technique of increasing generations for winter wheat sown in summer using cool conditions of an air-raid shelter were studied for 5 years in 1984—1988. Based on the successful technique, winter wheat breeding with three generations in one year under local conditions could be conducted. The key factors for seedling growth over summer were cool temperature ranged from 18~20℃ and certain amount of illumination above 2500 Lux. The process of growth and development of wheat sown in summer was sped up,...

The breeding technique of increasing generations for winter wheat sown in summer using cool conditions of an air-raid shelter were studied for 5 years in 1984—1988. Based on the successful technique, winter wheat breeding with three generations in one year under local conditions could be conducted. The key factors for seedling growth over summer were cool temperature ranged from 18~20℃ and certain amount of illumination above 2500 Lux. The process of growth and development of wheat sown in summer was sped up, especially at the early stage, only 35~46 days between seedling emergence and heading and 80—90 days for whole growing period. Comparing with the autumn sown winter wheat, the plant height and spike length of summer sown winter wheat became shorter, the spike number per plant and kernel number per spike decreased, kernel number per spike was 10—20, kernel weight per 100 grains wits about 2—3g.

1984~1988年利用本校防空洞夏季冷凉条什进行冬小麦复播加代,经五年探索获得成功,实现了冬小麦就地一年三代的快速育种。实践证明,夏播成功的关键是幼苗安全越夏,较低的温度和一定的光照是幼苗安全越夏的保证。防空洞夏季温度稳定在18~20℃,只要其内装置简易的加光设备,光照强度不低于2500~3000勒克斯,即可基本满足麦苗生长所需。夏播小麦生育进程特别快,尤其是发育前期历时很短,一般苗穗天数只35~46天,全生育期80~90天。与正季秋播相比,夏播小麦株高降低,单株成穗少,穗长缩短,每穗小穗数减少,每穗粒数10~20粒,百粒重2~3g。夏播主要作用在于加速育种世代。

The young seedlings, characterized by suitable age, uniformity and vigour, were cultured by means of the simple wet-raising seedlings in the field following the barley (or rape) during the period from the harvest of barley to rice transplant; The population beginning density was determined on the basis of the optimum LAI, the high yield plant type, the number of ear per plant and so on; The population quality was improved in the middle and late period, which was achieved by means of balancing the model of the...

The young seedlings, characterized by suitable age, uniformity and vigour, were cultured by means of the simple wet-raising seedlings in the field following the barley (or rape) during the period from the harvest of barley to rice transplant; The population beginning density was determined on the basis of the optimum LAI, the high yield plant type, the number of ear per plant and so on; The population quality was improved in the middle and late period, which was achieved by means of balancing the model of the nitrogen fertilizer application fitting in with the model of the irrigation that kept shallow water in the early period, dry and wet alternately in the middle and late period. The two modles might inhibit earlier unavailable growth on condition that the seedlings growed luxuriantly in the early-period, then enlarge growth increment of individual in the middle period. The above three main respects constituted the new system of the high yield and low cost cultivation technique of the young seedling rice.

在油菜、大麦茬上,利用接茬问隙,以简易的湿润育秧法,培育适龄、整齐、健壮的小苗;据最适LAI、高产株型及单株成穗等要素确定群体最适起点;以平衡施N模式配合水湿灌溉模式。在稻苗早发条件下提前抑制无效生长。平衡扩大中期个体生长量。改善生育中、后期群体质量,由这三方面为主体构成了麦茬小苗稻高产节本的栽培技术新体系。

 
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