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成穗质量
相关语句
  panicle quality
     A experiment was conduced in field conditions to determine the effect of scattered-transplanting leaf-age for tilling and panicle quality of hybrid Rice.
     以田间试验研究了秧苗抛栽叶龄对杂交稻分蘖特性及成穗质量的影响 ,探讨了高叶龄抛栽杂交稻产量降低的主要原因。
短句来源
     The Effect of Scattered-Transplanting Leaf-age for Tilling Characters and Panicle Quality of Hybrid Rice
     秧苗抛栽叶龄对杂交稻分蘖特性及成穗质量的影响
短句来源
  “成穗质量”译为未确定词的双语例句
     But cultivatable mode had the huge correlation with the tillering process, the quality of fringe and the yield's character.
     而栽培模式与分蘖进程、成穗质量、产量性状关系极大。
短句来源
  相似匹配句对
     QUALITY
     质量
短句来源
     enhancing productive panicle rate;
     提高率;
短句来源
     Quality.
     质量
短句来源
     (2)Raising rate of effect ear.
     提高率;
短句来源
     Approach to the Resultant Yarn’s Quality Control
     质量控制的探讨
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Two years observations and multi-factor comprehensive comprehensiveexperimental results indicate that the tillering population structure of rainfed land springwheat in the high and cold mountain arcas is simple,and the percentage of tillering andtillering to form spikes is low. Tillering population consists of I_1 and I _2 positioningtillering and sheath tillering,which are the major components,accounting for 56%,35.3%and 3.9%of total tillerings.The tillerings above I2 position and the second-classtillerings...

Two years observations and multi-factor comprehensive comprehensiveexperimental results indicate that the tillering population structure of rainfed land springwheat in the high and cold mountain arcas is simple,and the percentage of tillering andtillering to form spikes is low. Tillering population consists of I_1 and I _2 positioningtillering and sheath tillering,which are the major components,accounting for 56%,35.3%and 3.9%of total tillerings.The tillerings above I2 position and the second-classtillerings are rarely seen,which consists of 5% less than total tillerings in general.Theaverage number of single plant tillering is 1.3.The single plant tillering to form spikes isless than 5%. Tillering and the percentage of tillering to form spikes are in significantcorrelation with water,fertillzer and nutrient requirements as well as population densi-ty,but the improvement of tillering and the percentage of tillering to form spikes can notconnect with the apparent yield increase of population.The focus of cultivation of rainfedland spring wheat lies in controlling the spike formation of main stems and spike forma-tion qualities.

经两年观测和多因素综合试验结果表明:高寒山旱地春小麦蘖群结构单一,分蘖及分蘖成穗率低。蘖群以I_1、I_2位蘖和鞘蘖为主要构成成分,分别占分蘖总的的56%、35.3%和3.9%;I_2位以上蘖和二级蘖较为罕见,一般不足分蘖总量的5%。单株分蘖数平均为1.3,单株分蘖成穗率低于5%,分蘖及分蘖成穗率对水肥营养及群体密度存在显著相关性,但分蘖及分蘖成穗率的提高不能伴随群体产量的明显增加。旱地春小麦栽培的中心在于促控主茎成穗率及成穗质量

Significant achievements have been made in rice cultivation researches and these researches have greatly enhanced the development of rice production in Sicuan Province.From 50s to 90s,the following techniques in rice cultivation have elevated the yield levels of the rice production:in 50s,the three major techniques,i.e.,good varietes and sturdy seedlings,dense planting with less seedlings and reasonable fertilization,and other techniques,including nursing seedlings in moist field,and irrigation with new methods;in...

Significant achievements have been made in rice cultivation researches and these researches have greatly enhanced the development of rice production in Sicuan Province.From 50s to 90s,the following techniques in rice cultivation have elevated the yield levels of the rice production:in 50s,the three major techniques,i.e.,good varietes and sturdy seedlings,dense planting with less seedlings and reasonable fertilization,and other techniques,including nursing seedlings in moist field,and irrigation with new methods;in 60s,the cultivation techniques for dwarf rice,i.e.,increasing yield by mainly inreasing the panicle number per unit area and filled spikelets number per panicle;increasing panicle numbers by close planting seedlings and increasing tillers per plant;in 70s,the techniques of developing sturdy seedling with multiple tillers;in 80s,the high-yielding cultivation techniques for hybrid rice,i.e..increasing panicle numbers per unit area by increasing early tillers on the basis of planting seedlings numbers and increasing spikelets numbers per panicle;in 90s,the super-high-ylelding cultivation techniques for hybrid rice,i.e.,utilizing large panicle type varieties,lowering the amount of plant population,increasing number of panicles per unit area by raising the rate of effective panicles;increasing the amount of filled grains per unit area by increasing number of filled grains per effective panicle,and at last raising the yields.Some adaptation cultivation techniques,such as the introduction and innovation of rice seedling nursing technique on upland,the countermeasures of avoiding high temperatures and summer drought,and the techniques for obtaining high and stable yields after late transplanting,ete.,have provided technical support for avoiding natural disaster and harvesting high yields.Researches on ecological condition of the germination of the buds,and cultivation techniques for enhancing the ratooning germination of the buds,raising the alive bud rate,and improving the seed setting rate in ratooning rice,have founded the technical base for the ratooning rice development in Sichuan.Based on the researches on the growth period,and the total accumulative temperature for double season rice and the safe full heading period of late season rice,a complete set of cultivation techniques for double season rice planting system has been established,including the variety combination,seedling transplanting methods,sowing date,and seedling nursing methods of the late-season rice.

四川水稻栽培研究六十年来取得了巨大的成就,极大地推动了水稻生产的发展。五十年代的“好种壮秧、少秧密植、合理施肥”三大技术以及“湿润育秧”、“新法泡田与浅水灌溉”;六十年代矮秆水稻栽培技术关于“主攻穗多、争取穗大;依靠主穗,争取分蘖”的技术路线;七十年代的多蘖壮秧技术;八十年代杂交水稻高产栽培技术关于“在一定基本苗基础上依靠分蘖成穗,在一定穗数水平上争取穗大”的技术路线;九十年代杂交水稻超高产栽培技术关于“采用穗重型品种,适当降低群体基数,提高成穗率,保证穗数;通过提高成穗质量以增加单位面积总实粒数,从而提高产量的技术路线”等促进了四川水稻生产上了几个台阶。旱育秧技术的引进与创新;避高温伏旱技术对策;迟栽稳产高产技术等适应性栽培为实现避灾稳产高产提供了技术支撑。水稻种植制度上再生稻的研究如腋芽萌发的生态条件,促进腋芽萌发和提高活芽率、提高结实率的栽培技术为四川再生稻生产的发展提供了技术基础。对双季稻生育日数与总积温和对晚稻安全齐穗期研究基础上提出的品种组合、栽插方式,晚稻播栽期及育秧技术等为四川确立双季稻种植制度提供了成套的栽培技术。

A experiment was conduced in field conditions to determine the effect of scattered-transplanting leaf-age for tilling and panicle quality of hybrid Rice. The result indicated that the raise of scattered-transplanting leaf-age causes the delay of park of tilling, the decrease of the number of panicle and the descend of the economic properties of the effective panicle, which is the principal cause of drop in production of hybrid rice scattered-transplanted in higher leaf-age.

以田间试验研究了秧苗抛栽叶龄对杂交稻分蘖特性及成穗质量的影响 ,探讨了高叶龄抛栽杂交稻产量降低的主要原因。结果表明 :高叶龄抛栽致使杂交稻本田茎蘖高峰期明显推迟 ,单位面积最高茎蘖数和有效穗数量有所降低 ,低位一、二次分蘖穗比例减少且经济性状明显变劣 ,从而显著减产。

 
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