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peach     
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    Identification of Molecular Markers Linked to the Non-acid/acid Fruit Traits and Construction of Linkage Map of Peach [Prunus Persica (L.) Batsch]
    [Prunus Persica (L.) Batsch]果实非酸/酸性状分子标记的筛选及遗传连锁图的构建
短句来源
    Studies on Tissue Culture and Genetic Transformation of Peach
    组织培养及遗传转化的研究
短句来源
    Genetic Evaluation of Main Characters and Study of Molecular Marker Technique in Peach
    性状遗传评价和分子标记技术研究
短句来源
    Study on The Embryo Cnlture Techniques of Early Maturing peach In vitro
    早熟胚培养技术的研究
短句来源
    STUDIES ON THE ROOT HABITS OF FEICHENG PEACH
    肥根系习性的研究
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  桃树
    THE DYNAMIC CHANGE OF COMPONENT FACTORS OF HIGH YIELD ON PEACH TREES
    桃树高产栽培中产量构成因素的动态变化
短句来源
    Benificial Effects of Paclobutrazol(pp333) on Fruiting Peach Trees
    多效唑(PP_(333))对结果桃树的效应
短句来源
    EFFECT OF PACLOBUTRAZOL (PP_(333)) ON PEACH GROWTH AND DEVELOPMENT
    多效矬(PP_(333))对桃树生长发育的作用
短句来源
    MINERAL NUTRITION OF PEACH IN SHANGHAI AREA AND ITS EVALUATION
    上海地区桃树矿质营养及其评价
短句来源
    EFFECT OF NaHSO_3 ON THE PHYSIOLOGICAL ROLE OF PEACH AND PLANT YIELD AND QUALITY
    NaHSO_3对桃树的生理效应及产量品质的影响
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  桃子
    Regeneration rates for Qingzhou honey peach and Winter peach were 66.7% and 56.2% respectively.
    青州蜜桃和冬桃子叶的不定梢最高再生率分别是 6 6 .7%和 5 6 .2 %。
短句来源
    This paper was aimed at these problems which appeared in the planting of the vegetable and fruit, and combined the biogas ponds and the agricultural pattern of the south, emphasized the source of the fertilizer, probed into effect of the biogas fertilizer on vegetable (greengrocery) and fruits (peach and persimmon), and studied the effect of the biogas fertilizer on the soil fertility, soil enzyme, the quantity of microorganism and the yield, quality of the vegetable fruit.
    本文针对目前我国蔬菜和水果生产中普遍存在的问题,结合南方地区沼气池和农村能源生态模式推广应用的实际情况,着重从肥源入手,重点研究沼气发酵残留物在蔬菜(青菜)和水果上(桃子、柿子)的合理施用问题,研究沼气发酵残留物对土壤肥力、土壤微生物活性、土壤酶活性的影响,和对蔬菜水果生长发育和蔬菜水果品质的影响。
短句来源
    The effect of firmnessH)on impact characteristics indexes,i. e. , coefficient of restitution(r),percentage of absorbedenergy(E) and time-domain characteristic parameter(fp/tp) were evaluated for peach un-der free drop height 3 cm.
    从3cm高度自由下落至金属平板上,获得桃子恢复系数r、能量吸收百分率E和冲击力时间特性参数fp/tp,它们与桃子硬度H间均有极显著相关。
短句来源
  水蜜桃
    “Saji No.1” and “Saji No.2” The New Breeding Cultivars of Early Honeydew Peach Induced By CO_2 Laser
    CO_2激光诱变早熟水蜜桃育成“沙激1号”和“沙激2号”两品种
短句来源
    Changes of Physiological and Biochemical Indexes Under Condition of Hypobaric Storage of Juicy Peach
    减压贮藏条件下水蜜桃生理生化指标的变化
短句来源
    Study on the Different Extraction Method of Genomic DNA of Juicy Peach Stem-tip
    水蜜桃茎尖基因组DNA不同提取方法研究
短句来源
    The Main Physiological Changes and Regulation of Loquat and Melting Peach Fruit after Harvest
    枇杷和水蜜桃果实主要采后生理变化及其相关调控措施研究
短句来源
    Peach fruits [Prumus persica (L.)
    本试验以“雨花三号”水蜜桃[Prumus persica (L.)
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      peach
    When transferred onto plum and peach, the spider mite adapted to the new hosts in the second generation; however, on cherry and apricot, it adapted in the third generation.
          
    This was particularly observed under stress plant growth conditions on phytotoxic peach substrates.
          
    Quantitative assessment of the infection rate of the entomophthoraceous fungus,Zoophthora anhuiensis against the green peach aph
          
    A two-step method was developed to quantitatively assess the infection rate of the entomophthoraceous fungus,Zoophthora anhuiensis (Li) Humber, on the green peach aphid,Myzus persicae (Sulzer).
          
    Recoveries for each pesticide added to a peach sample were obtained after applying different extraction systems.
          
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    Controlled crosses made between apple×pear(P.communis,P.serotina,P. Bretchneideri,P.ussuriensis),apple×plum,apple×cherry,apple×peach(P.pe- rsica,p.Davidii),apple×apricot,and apple×strawberry from 1953 to 1955 have proved that hybrid seeds can be obtained even between sub-families,except the strawberry.The percentage of fruit setting varied with the remoteness of the phylogenetical relation befween female and male parents,ie.apple×pear higher than apple×stone fruits.For different varieties of apple under...

    Controlled crosses made between apple×pear(P.communis,P.serotina,P. Bretchneideri,P.ussuriensis),apple×plum,apple×cherry,apple×peach(P.pe- rsica,p.Davidii),apple×apricot,and apple×strawberry from 1953 to 1955 have proved that hybrid seeds can be obtained even between sub-families,except the strawberry.The percentage of fruit setting varied with the remoteness of the phylogenetical relation befween female and male parents,ie.apple×pear higher than apple×stone fruits.For different varieties of apple under different natural and agricultural conditions gave different results,it is suggested that in order to obtain hybrid seeds several maternal varieties should be used in two or three conti- nuous years. Seeds obtained from mixed pollination method(a limited quantity of pollen grains of an apple variety applied to the stigma 4 hours after the proceeding dis- tant cross)were most probably not true hybrid seeds.It seems necessary to length- en the time interval between the two operations of pollination. Pollination with old stigma(6 days after emasculation)reduced the percentage of fruit setting in apple×pear,and it seemed to have some positive effect in app- le×stone fruits.The percentage of fruit setting was greatly increased in appee× pear by using trees which had been prelimiuarily vegetative-approached as maternal parents,as compared with ordinary cross. The seedlings of distant hydrid,especially those individuals with parental or new characteristics,grew very feebly and soon perished with gradual.browing and drying of the root system.

    一、用一般的套袋授粉法进行苹果和梨、和核果类桃、李、樱桃、山杏、山毛桃等组合的有性杂交可以获得杂交果实和种子。二、杂交的结实率因父本的种类而不同,苹果和梨(仁果类)杂交结实率、结种子率一般较苹果和桃、李、樱桃等核果类为大。三、母本苹果不同品种不同的自然及栽培条件下成功的可能性不同。因此在进行远缘杂交时应同时选几个品种作为母本,在不同年份连续进行较易获得成功。四、先授以远缘花粉隔四小时后再授以限量近缘花粉的混合授粉法所得结果不可靠。是否用延长间隔时间或采用丧失发芽力的近缘花粉的混合授粉法以促进杂交结实而不致引起差误有待于进一步研究。五、用去雄后6天进行授粉的衰老柱头授粉法,似不宜用于一般杂交结实尚不很困难的苹果和梨之间的杂交,但用于苹果和某些核果类果树之间的杂交似有促进作用。六、以父本种类作砧木对母本进行教养影响的无性渐近杂交法显著地提高了苹果和梨远缘杂交的结实率。七、远缘杂种生活力弱,幼苗甚易夭折,一般从茎的基部或地下部分开始变褐,渐渐全株枯死。杂种部分植株表现父本梨或全新性状,表现这些性状的植株生活力尤为衰弱。如何克服杂种幼苗的夭折尚待继续研究。

    It was reported earlier by the authors that the mosaic disease of the crucifer-ous vegetables was mostly caused by two strains of turnip mosaic virus(TrMV),i.e.“turnip strain”(commonly called turnip mosaic virus)and“rape strain“(commonly called rape mosaic virus).Field surveys made in the past 11 years(especially those made in 1956-1958)revealed that the virus oversummered main-ly in the summer grown cruciferous vegetables,including Pak-Tsai(Brassicachinensis Linn.),Tsai-Shen(B.spp.)and water-cress(Nasturtium...

    It was reported earlier by the authors that the mosaic disease of the crucifer-ous vegetables was mostly caused by two strains of turnip mosaic virus(TrMV),i.e.“turnip strain”(commonly called turnip mosaic virus)and“rape strain“(commonly called rape mosaic virus).Field surveys made in the past 11 years(especially those made in 1956-1958)revealed that the virus oversummered main-ly in the summer grown cruciferous vegetables,including Pak-Tsai(Brassicachinensis Linn.),Tsai-Shen(B.spp.)and water-cress(Nasturtium officinariumWall.).The cruciferous weeds including Nasturtium montanum Wall.(only 2plants found naturally infected in 11 years)and Capsella bursa-pastoris Medic.(only 1 plant found naturally infected in 11 years)were not important as over-summering hosts.The results of the transmission tests showed that the two strains of TrMVwere readily transmitted by false cabbage aphid(Rhopalosiphum pseudobrassicaeDay.)and peach aphid(Myzus persicae Sulz.),less so by red mite(Tetranychustelaxius Linn.),and not transmitted by the adults of striped flea-beetle(Phyllotrata vittata Fab.)and the larvae of army-worm(Prodenia litura Fab.)and white-fly(Pierie rapae Linn.). They were not transmitted by seeds of thehost and by the dodder plant(Cuscutus chinensis Linn.).Soil mixed with freshresidue of diseased plant might cause occasional infection of replanted plants,but did not cause any infection of plants that were grown up from seeds sown inthe infested soil.According to the field surveys made in July 1956 to June 1958(once in every10 days),the false brassica aphid was the most important vector in Canton,in-festing the cruciferous vegetables all the year round,while the peach aphidappeared only occasionally in March and April.On ground of the field infectionpercentages,the aphid's populations,and the climatic conditions in every 10 days'period in these 24 months,it was found that the epiphytotic of the disease inCanton was closely related to the aphid population that occurred about 10-20days earlier,and the aphid population was again closely related to the amount ofrainfall and the number of rainy days in the past 10-20 days.It was thereforeconsidered possible that on ground of the prevailing condition of rainfall,onewas able to forecast the epiphytotic of the disease about 30 days ahead.

    广州地区十字花科蔬菜花叶病(主要病毒是芜菁花叶病毒的油菜毒系和芜菁毒系)的越夏寄主,根据11年来的观察特别是1956—1958年间的实地调查结果,主要是小白菜、菜心和西洋菜。在野生植物中曾发现过2株蔊菜和1株荠菜自然感病,说明野生植物不是本病的重要毒源。室内试验结果证明,此病的自然传染媒介为萝卜蚜、桃蚜和普通红蜘蛛。黄条跳(虫甲)、斜纹夜盗蛾和菜粉蝶都不是本病的虫媒,病株的种子不会传病,中国菟丝子也不会传递本病。在带有未腐熟的病菜残体的土里进行直播,长出来的菜苗没有发病的;但是把菜苗移植在这样的土里,会有极小量的植株感病。根据1956年7月至1958年6月,每十日田间调查一次结果:萝卜蚜是广州地区最重要的传病媒介,桃蚜每年只在3—4月间略有发生,作用不大。根据这24个月的田间发病率,萝卜蚜(有翅蚜及无翅蚜)的虫口密度和气候情况,我们认为本地区本病的发生及流行程度主要受降水量和降水天数所影响,并认为可以从降水情况来预测约30日后的病害流行程度。

    Experiments designed to test the effectiveness of the sodium salt of dinitrocresol, sodium naphthaleneacetate and 1-naphthyl N-methylcarbamate (Sevin) as blossom and fruit thinners were initiated in 1963 with 7-year-old vigorous peach trees of the variety Ta-jiu-bau. The percentage of fruit drop at 9 to 16 days after the peak of June drop was taken as the criterion for evaluating the effectiveness as a thinning agent.

    为了提高果树生产上疏除花果的效率,降低生产成本,以七年生大久保桃为试材,试图用喷射药剂的方法来代替人工疏花疏果。本文报道了二硝隣甲酚钠、萘乙酸钠、西维因等三种药剂不同浓度、不同时期喷射疏除花果的初步结果,并对影响药效和药害的一些因子,进行分析和讨论。

     
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