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tillering
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  分蘖
    The result of the pot experiment indicated that the plant height, the number of tillers, the wigth and length of the leaves of the rice inoculated with the rice root mematodes were reduced by 7.3%, 10.5%, 2.0%~8.6% and 1.1% respectively at the tillering stage. The infected rice plants showed symptoms similar to those with nitrogen deficiency.
    盆栽试验结果表明,盆栽接虫水稻分蘖期株高下降7.3%,分蘖数下降10.5%,叶宽与叶长分别下降2.0%~8.6%和1.1%,表现缺素症状。
    2. S-3307 Treatments decreased IAA content in tillering node, while it largly improve ZT content, which were benifited for tiller appearance.
    2、烯效唑处理后,分蘖节IAA的含量减少,ZT含量提高,因而有利于分蘖的发生;
短句来源
    Under recent condition of rice production, the tolerable economic injury levels in tillering and booting-flowering stages should be 130-150 and 100-120 egg masses per 666. 7 m2,respectively.
    在现有生产条件下,三化螟经济允许卵块密度为:分蘖期130—150块/666.7m~2,孕穗—破口期100—120块/666.7m~2;
短句来源
    The action thresholds in tillering stage were determined as 100-110 egg-masses or 50-60 damaged spots per 666- 7 m2,or 2% - 3% of damaged hills,or 1. 0% -1. 5% of damaged plants.
    防治指标:分蘖期100—110块/666.7m~2,为害团50—60个/666.7m~2,丛为害率2.0%—3.0%,株为害率1.0%—1.5%。
短句来源
    Based on screening of resistance in rice seedling and tillering stage to brown planthopper,the results indicated that the rice varieties infected 1-5 grade are regarded as resistant varieties when the susceptible check TN, infected 9 grade, flnd the varieties infected 1-5 grade duration 10 days in seedling and 24 days in tillering stage after the susceptible check TN, infected 9 grade as durable resistant varieties, otherwi se as short duration resistant varieties in resistant varieties.
    通过水稻品种苗期和分蘖期后对褐飞虱的抗性筛选,提出TN_1受害9级时受害1~5级的为抗性品种,TN_19级后苗期10天、分蘖期后24天内保持1~5级的为持抗品种,不具持抗的抗性品种为短期抗性品种。
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  “tillering”译为未确定词的双语例句
    The effect of S-3307 and PP_(333) on bettering seedling and increasing tillering of rice
    S-3307和PP_(333)对水稻的壮秧增蘖作用
短句来源
    Dynamic analysis of QTLs for tillering ability based on the MH63/B5 RIL population was performed.
    结合MH63/B5分子标记连锁图,我们尝试了对数量性状的动态分析方法,以获得影响性状的基因在各个时间段的净遗传效应。
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    at tillering and booting heading were(59.11±2. 99) g and ( 74. 58 ± 3. 31 ) g . respectively.
    孕穗至破口期则损失(74.58±3.31)g。
短句来源
    1.1.2 S-3307 promoted tillering of wheat plant Plants of S-3307 treatments tillered one leaf age earlier than that of the control, and their tiller appeared at plumule node.
    1.2.1烯效唑促进了小麦后期叶片的生长 烯效唑处理后, 旗叶和倒2叶变长,叶面积增大,比叶重提高,增大了植株冠层(旗叶+倒2叶)叶面积,最适浓度为20mg/kg; 提高了后期单株绿色叶面积,浓度以20mg/kg为佳。
短句来源
    These two kinds of retardents with differentconcentration significantly improved the tillering of the plant, and the A3 wasthe best among them.
    它们都有明显的促蘖作用,其中以多效唑的浓度A3(100.0mg/m~2)最为突出。
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  tillering
In our experiments, the inverse orientation stimulated dry matter accumulation by plants and development of productive tillering shoots, as well as increased the shoot-root dry weight ratio.
      
In barley (Hordeum vulgare L.), the traits of the two-row spike, the high rate of plant tillering, and the high capacity for multiple plant regeneration (MPR) in a callus culture of immature embryos were shown to correlate.
      
In an F3 hybrid population, the two-row plants manifested higher tillering and MPR rates as compared to the six-row plants.
      
A reliable intraspecies correlation (significant at P = 95) between multiple regenerations of plants from calluses and the tillering trait (bushiness) of donor plants was also found.
      
The content of 14C in the products of photosynthesis of the source leaf and xylem sap was investigated in kidney bean (Phaseolus vulgaris L.) plants during the stage of mass tillering.
      
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Six species of stem-borers injurious to rice plant have been hitherto known from China. The paddy borer, Tryporyza incertulas (Walker), does the greatest damage and is distributed in the principal rice area in Central and South China. The main factors influencing the fluctuation of population include climate, food, cropping system and biotic factors, among which rice as a food plant and its cropping system play a more marked role. In has been proven that the infestation, survival, reproduction and the degree...

Six species of stem-borers injurious to rice plant have been hitherto known from China. The paddy borer, Tryporyza incertulas (Walker), does the greatest damage and is distributed in the principal rice area in Central and South China. The main factors influencing the fluctuation of population include climate, food, cropping system and biotic factors, among which rice as a food plant and its cropping system play a more marked role. In has been proven that the infestation, survival, reproduction and the degree of damage done are closely related to the growth stages of rice. The tillering and booting stages are advantageous to this pest, while the seedling, transplanting to rejuvenating, prebooting, and ripening stages are disadvantageous. The initial population and living conditions of the paddy borer have a very profound in- fluence on the subsequent changes of the population, and both of which are affected by the cropping system of rice. The size of initial population is determined by the effective pest sources in spring, and has a close bearing on the population size of the current year, especially the first and the second generations. The degree of borer damage depends upon the growth stage of rice plants during the prevailing period of larval hatching and also the population size of the borers. In different regions, it is necessary to utilize as much as possible the cultural practices to eliminate the sources of infestation, repress the initial population and prevent the epidemic of the later generations. Moreover, it is important also to improve cultural practices, regulate the growth stage of rice and deteriorate the living conditions of the paddy borer in order to avoid or reduce borer injury. Chemical control plays also an important role in paddy borer control. The insecticide commonly used now is 6% γ BHC. The effective dosage is 1.5 carries~* per mow to prevent dead hearts and 2 catties each mow in preventing white heads. The essential methods used to apply BHC for borer control are splashing and toxic-earth-casting, both of which are equally effective for the prevention of dead hearts. Although splashing is less satisfactory in preventing white heads, but due to its higher efficiency it is also adopted. As to the proper time of applicaton, during the prevailing period of larval hatching, rice plants at tillering or booting stages should be carefully protected. However, if the borer damage is less than 1% according to forecasting, the application of insecticides will be unnecessary. For the prevention of dead hearts, the proper time of application is 1-2 days before the hatching peak under normal conditions. In an outbreak year, nevertheless, insecticides should be applied at the beginning of the peak. In order to prevent white heads, the booting as well as the early heading stages are recommended as the right time for BHC application. When the booting stage of the rice plant occurs before the hatching peak, the insecticide is usually applied at the beginning of the peak; while the hatching peak happens before the booting stage, application should be done at the beginning of booting. The paddy borer is the chief pest of rice in China, causing an annual loss not less than 10% in average years before liberation. Since the founding of New China, significant advances have been made in scientific research work. The paddy borer control work have been Carried out under the guidance of the policy of plant protection "to promote prevention and elimination simultaneously, with prevention playing the leading role". And the proper tactics of control "to carry on systematic control with cultural control as the basis and recruiting with necessary applications of insecticides", effective control measures and methods of prognosis have been adopted. The control campaign are carried on as mass movements. Therefore, the borer damage has been practically kept in check. In 1963, the average damage due to riceborers was reduced to around 29%, and in many localities even below 1%. All these were achieved by the cooperation among the leading cadres, techanical personnel and masses, under the light of the three red banners of the general line, the big leap forward and the people's communes.

在中国为害水稻較重的螟虫已知有6种,以三化螟 Tryporyza incertulas (Wlk.)最为重要,分布于我国中南部稻区。本文阐述了气候、食料、水稻栽培制度和生物等因素对三化螟种群数量变动的影响,并指出作为螟虫食料的水稻及其栽培制度的作用更为明显。研究証明,三化螟的产卵、侵入、成活、繁殖和为害都与水稻的生育期有密切关系,水稻的分蘖期及孕穗期,都是水稻最易受害的生育期,在这两个时期被害,会造成枯心或白穗;而秧田期、移植至回青期、圓稈期和成熟期都对螟虫不利。螟虫的发生基数和生活环境条件,密切影响种群数量的变动,而这些都受水稻栽培制度的影响。发生基数决定于春季螟虫的有效虫源,其数量的大小对当年的螟虫,尤其对第一、二代的发生量有密切关系。螟害程度主要决定于:(1)种群数量和(2)水稻最易受害的生育期与螟虫盛发期配合程度的综合作用。为了加強防治,各地区必须因地制宜,利用耕作栽培措施,一方面尽可能消灭虫源、压低发生基数、控制以后各代螟虫的发生;另一方面力求改进栽培技术、調节水稻生育期,恶化螟虫的生活条件,避免或減輕螟害。化学防治也是治螟的一項重要措施。目前广泛应用的药剂是6%丙体六六六,每亩用量在防治枯心时为1...

在中国为害水稻較重的螟虫已知有6种,以三化螟 Tryporyza incertulas (Wlk.)最为重要,分布于我国中南部稻区。本文阐述了气候、食料、水稻栽培制度和生物等因素对三化螟种群数量变动的影响,并指出作为螟虫食料的水稻及其栽培制度的作用更为明显。研究証明,三化螟的产卵、侵入、成活、繁殖和为害都与水稻的生育期有密切关系,水稻的分蘖期及孕穗期,都是水稻最易受害的生育期,在这两个时期被害,会造成枯心或白穗;而秧田期、移植至回青期、圓稈期和成熟期都对螟虫不利。螟虫的发生基数和生活环境条件,密切影响种群数量的变动,而这些都受水稻栽培制度的影响。发生基数决定于春季螟虫的有效虫源,其数量的大小对当年的螟虫,尤其对第一、二代的发生量有密切关系。螟害程度主要决定于:(1)种群数量和(2)水稻最易受害的生育期与螟虫盛发期配合程度的综合作用。为了加強防治,各地区必须因地制宜,利用耕作栽培措施,一方面尽可能消灭虫源、压低发生基数、控制以后各代螟虫的发生;另一方面力求改进栽培技术、調节水稻生育期,恶化螟虫的生活条件,避免或減輕螟害。化学防治也是治螟的一項重要措施。目前广泛应用的药剂是6%丙体六六六,每亩用量在防治枯心时为1.5斤,防治白穗为2斤。主要的施药方法为泼浇和撒毒土,两者对防治枯心的效果都很好;撒毒土防治白穗的效果虽稍差,但操作簡便易行。在螟虫发生期內,适值分蘖和孕穗的水稻田一般都要施药;但預测螟害低于1%的田块,可不防治。防治枯心的施药适期一般在孵化高峯前1—2天天开始,如虫量很大,要提前到盛孵始期用药。防治白穗的施药适期是:在蚁螟盛孵前孕穗的水稻,普通在盛孵始期开始施药;蚁螟盛孵后孕穗的水稻,在孕穗始期开始用药。稻螟是我国长期以来的一种严重害虫,解放前因螟害常年損失稻谷10%以上。解放后,在党和政府的領导下,科学技术有了显著的进展,治螟工作貫彻了“防治并举、以防为主”的方針,“以农业防治为基础,重点使用药剂綜合防治”的策略;采用了准确的預测預报;开展了群众性的防治活动,基本上控制了螟虫的危害,1663年的螟害率已压低到2%左右,不少地区已降低到1%以下。这都是在总路线、大跃进、人民公社三面紅旗光輝照耀下,領导、技术人員、群众三結合所取得的成果的

In the paddy field, the mycelial development of Pellicularia sasakii (Shirai) Wei on the rice plant was closely related to a number of factors especially to the growth stage of the plant and the prevailing climatic condition. Generally, the mycelium developed very scanty before the pregnancy period. Henceforth, the mycelial development was greatly accelerated. The deveIopment reached a maximum at about 10 days before or after the heading. For the early rice varieties the mycelial development ceased at the ripening....

In the paddy field, the mycelial development of Pellicularia sasakii (Shirai) Wei on the rice plant was closely related to a number of factors especially to the growth stage of the plant and the prevailing climatic condition. Generally, the mycelium developed very scanty before the pregnancy period. Henceforth, the mycelial development was greatly accelerated. The deveIopment reached a maximum at about 10 days before or after the heading. For the early rice varieties the mycelial development ceased at the ripening. For late varieties, it ceased at heading peried owing to the seasonal lowering of temperature in Hunan province. The sclerotial development passed generally four transitional stages being lack of a dorment period. Under the field conditions, the amount of sclerotium developed is directly proportional to the quantity of mycelium alreadly formed. The horizontal spread of the disease was in the stages of pregnancy to heading for early varieties of rice. The vertical spread of the disease was very slow at the tillering stage but accelerated from the heading to milking stages. After which the spread was slowed down porminently. For the late varieties the spread reached a maximum in the heading stage and henceforth slowed down. It is suggested that the effective application of fungicides should be arranged before the accelerated development of the mycelium.

纹枯病菌絲在田間稻株上的消长受水稻各生育期、及当时气候条件影响很大;一般在孕穗职前菌絲量少,孕穗至乳熟初期分布量大、蔓延速度快;抽穗期后10天达到最高峯。早稻成熟期菌絲停止蔓延或消失;晚稻(尤其連作晚稻)抽穗期后因寒潮或低温而停止蔓延;乳熟期趋于消失。纹枯病菌核的发育一般要通过四个时期,无休眠期。病情的水平扩展速度以孕穗至抽穗期最快,乳熟期几停止;而垂直扩展速度以水稻分蘖期最慢,抽穗至乳熟期最快。矮稈品种2—3天,高稈品种3—5天便可士升一个叶位,乳熟后緩慢。晚稻則以抽穗期最快,抽穗后緩慢,乳熟后病势停滞不前。在水稻易感期(孕穗—抽穗),遇到梅雨的两端低温,职及矮稈品种、多肥、密植,在一定有效菌核量下,是本病流行期、流行程度的关鍵因素。防治适期应以菌絲蔓延前期,卽在分蘖期至孕穗期施药,以杀伤菌絲为主;有必要时可在抽穗期再施药一次,保护剑叶,以抑制菌核形成、兼杀菌絲为主。如对矮稈品种、多肥栽培的水稻,于分蘖期施药保护是很必要的。

Our field investigation and laboratory study of artifical introduction of newly hatched larvae of the rice borer Tryporyza incertulas Walker on the rice plants have shown that drainage of the rice fields can bring forth a conspicuous reduction of borer infestation and increase of rice yield.The percentages of "dead heads" in the drained fields were 3.16% to 3.5%,while those of the deeply watered fields were 7.18% to 8.02%.The increase of rice yield of the plants in the drained fields amounted to 27.0% in average.The...

Our field investigation and laboratory study of artifical introduction of newly hatched larvae of the rice borer Tryporyza incertulas Walker on the rice plants have shown that drainage of the rice fields can bring forth a conspicuous reduction of borer infestation and increase of rice yield.The percentages of "dead heads" in the drained fields were 3.16% to 3.5%,while those of the deeply watered fields were 7.18% to 8.02%.The increase of rice yield of the plants in the drained fields amounted to 27.0% in average.The cause of this effect is analyzed as follows.1.About alluring the moths during oviposition.No great difference was observed.2.About the resistance against the larval establishment.a. Hindrance to the boring action.Rice plants in the drained fields were more resistant.b.Effect on larval growth.Some difference was observed in the field.Larval growth was better in the deeply watered fields.3.The tillering capacity of the injured rice plants.Rice plants of the drained fields were observed to be better in this respect.

通过田间调查和室内接虫试验,证实排水晒田的治蝗效果和增产作用比较显著:排水晒田的枯心率,平均3.16—3.50%;经常深灌的枯心率,平均7.18—8.02%。排水晒田的稻株比经常深灌的稻株,平均增产27.0%。木文从诱集成虫产卵、对幼虫的抗性和对蝗虫为害后的补偿作用等进行分析和讨论。

 
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