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leaf color
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  “leaf color”译为未确定词的双语例句
     With some botany characters,such as expansion 47.2 cm×46.6 cm,11~14 out leaves,leaf color green,ball head,per leaf head weight 0.85~1 kg,degree of compactness 0.8 ,its early mature,yield,tolerant splitting,purity,and tolerant bolting are better than the other varies.
     植株开展度为 47.2 cm× 46 .6 cm,外叶 1 1~ 1 4片 ,叶绿色 ,叶球近圆形 ,单球重 0 .85~ 1 kg,紧实度 0 .8,定植后 45~ 5 0天可以收获。
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     Genetic study indicated that the mutated green-revertible albino (gra) leaf color trait was controlled by a single recessive gene located on the short arm of chromosome 10. The SSR marker RM590 is closely linked with the gra gene, and the genetic distance is 2.5 cM.
     2. 遗传研究表明,白化转绿型突变性状受单隐性基因控制,该基因位于第10条染色体的短臂上,与SSR标记RM590紧密连锁,连锁值为2.5cM。
短句来源
     The experimental result showed the best standard of leaf color in the late tillering, middle booting and heading stage was 4.8, 5.5 and 6.0 respectively.
     研究结果表明 :培矮 6 4S/E3 2分蘖末期、孕穗中期、始穗期的最佳叶色级分别为 4.8、5 .5、6 .0。
短句来源
     Seedling of F_1 behaved green, seedling of F_2 appeared separation of leaf color (albino and green).
     并观察后代的表现,经观察各个组合F_1代的苗期在低温情况下均表现正常,而F_2代的苗期在同样的环境条件下则会发生白化苗与正常绿苗的分离,经x~2检验均符合3:1的分离比例,正常绿苗对白化苗显性,符合孟德尔的单基因遗传。
短句来源
     Variations of top leaf shape, leaf shape, top leaf color, leaf vein color, vein base color, root shape, root flesh color, root yield, dry matter content, taste after steaming, and root Brix were observed in progenies M 1V 1 and M 1V 2. The results indicated these variations were stably inherited.
     结果表明 ,辐照后代 M1 V1 和 M1 V2 在顶叶形、叶形、顶叶色、叶脉色、脉基色、薯形及薯肉色、产量、干物率、食味、Brix等性状上发生了广泛的变异 ,并且这些变异是稳定的。
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  相似匹配句对
     COLOR
     冬季女装色彩预测
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     On "Leaf"
     说“葉子”
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     Plant Leaf Color Mutants
     植物叶色突变体
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     The Tissue Culture of Color leaf Taro
     花叶芋的组织培养
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     The Color of Snow
     雪的颜色
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  leaf color
Leaf color, leaf N, and N concentration of one-year-old wood and roots were similarly increased relative to control by both soil and foliar N application.
      
Leaf color (as SPAD readings) and N concentrations (mg/g), and soil NH4+-N and NO3--N were measured periodically throughout the two seasons.
      
Leaf color was scored on a scale of 1 to 5, in which 1 was dark green and 5 was bright yellow.
      
The group is defined by fruit flavor, mature leaf color, number of tertiary divergent veins, and pubescent bracts in the inflorescence.
      
Only the diversity indices for leaf color of seedlings, starch composition and 1000-grain weight showed significant differences among regions.
      
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The results obtained from the experiments on the leaf-color shift in relation to the forma-tion of high yield of wheat in Nanking during 1961 and 1962 are summarized as follows:1.The leaf-color shift of wheat plant is an inherited biological character.The highyield is closely connected with these rhythmic shifts.The appearance of “green-yellow-green”at the early spring,shooting,and booting stages is determined by the fluctuation of thechlorophyll content and the level of nitrogen of the leaves.2.On account of...

The results obtained from the experiments on the leaf-color shift in relation to the forma-tion of high yield of wheat in Nanking during 1961 and 1962 are summarized as follows:1.The leaf-color shift of wheat plant is an inherited biological character.The highyield is closely connected with these rhythmic shifts.The appearance of “green-yellow-green”at the early spring,shooting,and booting stages is determined by the fluctuation of thechlorophyll content and the level of nitrogen of the leaves.2.On account of the 7-9th leaves of high-yielding plant having Comparatively large areaand high dry matter,the accumulation of dry matter in the internodes and leaf sheathes atthe basal part of the plant is promoted,whereby the formation of stiff culm is favored.Under the conditions of high-yielding cultural practices,a higher level of nitrogen of theplant body stimulates the differentiation of spikelets and florets.3.Under high-yielding cultural conditions,the normal shift to green color of the leaves atthe booting stage promotes the translocation of stored matter from vegetative organs to thekernels and favors the process of grain filling.The number of spikelets per head,the grainweight and the yield are consequently increased,while the number of sterile florets is loweredsignificantly.4.A proper lay-out of fertilizer practices is necessary for controlling leaf color shift andgetting a high yield.According to the results of our experiments,a moderate amount ofbasic fertilizers benefits the growing of Well-developed seedlings,while a heavy applicationof farmyard manure at the early winter increases the accumulation of the soil nutrients andtherefore favores the formation of strong tillers and large spikes.The shooting fertilizershould be applied when the green color fades away at shooting stage.The amount offertilizers applied depends upon the degree of leaf color.This application of fertilizers pro-motes the growth of the last three leaves,accelerates the translocation of nutrients to thespike and favors the formation of grain.Besides,the “heading rate”of tiller and the numberof spikelets are also increased.A further application of a proper amount of nitrogen beforethe emergence of the boot leaf enlarges the area of that leaf,significantly increases the rateof photosynthesis,the rate of grain formation and the grain weight,and finally raises theyield by 17.5 percent.

南京地区丰产小麦的叶色在返青、拔节、孕穗阶段显现“青、黄、青”节奏变化。返青阶段叶片正常显“青”,植株体内有适当高的氮素水平,有利于小穗、小花发育,成长大穗;拔节阶段正常显“黄”,叶、鞘、茎生长协调,有利于茎节发育及壮秆形成;孕穗阶段叶色转“青”,有利物质运转,籽粒灌浆顺利,不实小穗减少,增粒、增重。在壮苗基础上重施腊肥,合理掌握春期追肥,控制叶片正常显青、落黄,有利形成壮秆、大穗,增粒增重、稳定高产。

The leaf color is a reliable indicator of the physiological state of the rice plant.Plantswith different leaf color differ in their susceptibility to various diseases,and one of the mosteffective means to control the leaf color is varying the level of nitrogen fertilizers.Rice plantsgiven higher level of nitrogen in the form of ammonium sulphate are usually darker in leafcolor and more susceptible to the bacterial leaf blight (Xanthomonas oryzae).The composi-tion of the leaf varies...

The leaf color is a reliable indicator of the physiological state of the rice plant.Plantswith different leaf color differ in their susceptibility to various diseases,and one of the mosteffective means to control the leaf color is varying the level of nitrogen fertilizers.Rice plantsgiven higher level of nitrogen in the form of ammonium sulphate are usually darker in leafcolor and more susceptible to the bacterial leaf blight (Xanthomonas oryzae).The composi-tion of the leaf varies with the leaf colour.The contents of free amino acids and amidessuch as aspartic acid,glutamic acid,asparagine and etc.are higher in plants with darkerleaf color.Conversely,the amount of sugars and polyphenols is less than those with lightleaf color.It seems that the proneness of rice plants to the bacterial leaf blight varies withcomposition of the leaf.The disease is probably favoured by higher level of free amino acidsand lower level of polyphenols in the leaves.

水稻黄黑状态对白叶枯病的反应显著不同,由于施用氮肥[(NH_4)_2SO_4]多而表现黑的稻株,较少肥而表现黄的稻株易于感病。植物成分的分析,证明黑的状态的稻株叶片中游离氨基酸的含量高,尤其是以门冬氨酸、谷氨酸、丝氨酸和门冬酰胺的差异最明显,但是糖和多元酚的含量则较低。糖的含量高低主要决定于还原糖的多少。稻株中多元酚的含量随着发育阶段而不同,苗期低,中期高,后期又减少。在生长后期,植株上部叶片中多元酚的含量高于老的叶片。试验结果初步指出稻株中游离氨基酸的量高和多元酚的量低,与稻株的易于感病有一定的关系,但是抗病机制的分析还须要对病菌和水稻的生理进行深入的研究。

Analyses have been made on the relative growth of the different organs of the rice plantreceiving different treatments in relation to grain yield.It was found that the plants pro-ducing high ear weight are invariably possessing higher sheath-weight over blade-weight fromtillering stage onward.Over-manured plants,whose ear weight is lower,show little or nodifference in blade and sheath-weights(Fig.1).There is a high positive correlation betweenthe sheath/blade ratio at the ear-differentiating stage and the final...

Analyses have been made on the relative growth of the different organs of the rice plantreceiving different treatments in relation to grain yield.It was found that the plants pro-ducing high ear weight are invariably possessing higher sheath-weight over blade-weight fromtillering stage onward.Over-manured plants,whose ear weight is lower,show little or nodifference in blade and sheath-weights(Fig.1).There is a high positive correlation betweenthe sheath/blade ratio at the ear-differentiating stage and the final ear/plant weight(economiccrop yield coefficient)at harvest.Experimental trials in Nanking and Shanghai in 1961 and1962 showed essentially the same results with correlation coefficient ranging from 0.86 to 0.97(Fig.2).The sheath/blade weight ratio can therefore be employed as a quantitative criterion inpredicting the final ear weight.The criterion is simple and quantitative.It is comparativelyindependent of sampling variations as it is a relative rather than the absolute weight ofplant pares and of time of sampling since the ratio is maintained for over a month from tiller-ing to ear-emergence(Fig.3).It can be readily used instead of supplement the visual criteria,such as leaf color,of the experienced farmers.Further analyses showed that the difference in sheath/blade ratio is most marked in fully-grown,functional leaves(Table 1 & 2)and that the difference is largely due to the variationin the dry weight per unit length of the sheath(Fig.5)rather than that of the blade(Fig.4).The variation in weight is mainly due to that of accumulated starch(Table 3).Feeding ex-periment with radioactive ~(14)CO_2 revealed that well-grown plant accumulate more starchespecially in sheaths than that of in the over-manured plants(Table 4).The results suggestthat the weight per unit length or the starch content of the sheath can be used as criterion forpredicting ear weight as well.Parallel variations in weight and starch contents were found inthe stalk,especially in the lower internodes(Fig.6).Differences in economic yield of the well-grown and the over-manured plants were found toreside largely in the percentage of full grains and the average grain weight(Table 5).Pro-perly manured plants actually have less florets per ear but with more and heavier grains.Putting together the above results,we see that the starch accumulated in sheath at thetime of ear differentiation plays an important role in the later grain-filling processes.As thereason of how this is brought about needs further investigation.Similar results were obtained with wheat(Fig.7).Discussions were given on the relative growth of the organs of the rice plant along thetime axis,the distribution of assimilates for growth and for temporary storage and its signi-ficance in influencing the later course of growth.Elucidation of the spatial and temporal cor-relations of the parts of a plant will enable us to exercise more control for procuring highercrop yield as well as to understand better the intricate regulatory activities of the organismicwhole.

分化孕穗时期,工鞘叶干重此例与成熟期穗重/总重有很好的正相关,前者可以做为中期预测穗重的动态指标。根据氮碳同化此例讨论了控制器官相对生长问题,并指出争取穗大粒重的可能途径。

 
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