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deciduous fruit
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  落叶果树
     light saturation points of Ping_ou 110 and Ping_ou 349 were 691~724 μmol m~ -2 s~ -1 and 464~505 μmol m~ -2 s~ -1 , light compensation points were 10~26 μmol m~ -2 s~ -1 and 8~21 μmol m~ -2 s~ -1 , respectively, they were lower than those of common deciduous fruit trees;
     平欧110号和平欧349号的光饱和点大约分别为691~724μmol·m-2s-1和464~505μmol·m-2s-1,其光补偿点分别为10~26μmol·m-2s-1和8~21μmol·m-2s-1,均较常见的落叶果树低;
短句来源
     Application of DNA molecular marker in deciduous fruit tree
     DNA分子标记在落叶果树上的应用
短句来源
     The factors influencing organ regeneration of deciduous fruit trees in vitro were reviewed, including 1) the medium composition, such as the inorganic nutrients, organic nutrients, plant growth regulators with BA 4~7? mg·L -1 or TDZ 0.02~3.3? mg·L -1 + NAA 0.2~1.5?
     综述了影响落叶果树离体器官再生的因素 ,主要包括 :1)培养基成分 ,即培养基中无机营养、有机营养、生长调节物质 (BA 4~ 7mg·L-1或TDZ 0 0 2~ 3 3mg·L-1+NAA 0 2~ 1 5mg·L-1)、培养基pH及凝胶剂 ;
短句来源
     ADVANCES IN PROTOPLAST TECHNOLOGY OF DECIDUOUS FRUIT CROPS
     落叶果树原生质体技术研究进展
短句来源
     Adjustment and Optimization of Industry Structure of Deciduous Fruit Trees in Western China
     西北地区落叶果树生产结构的调整与优化
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  “deciduous fruit”译为未确定词的双语例句
     Deciduous fruit trees protected cultivation is a new culture form and with higher economic benefit in northern China?
     果树设施栽培是近年来我国北方寒冷地区兴起的一种新的高效益的果树产业。
短句来源
     Deciduous fruit trees protected cultivation is a new and efficiency culture form in northern China.
     果树设施栽培是我国近年来北方寒冷地区兴起的一种新的高效果树产业。
短句来源
     2. 15N-urea Fertilized before sprout, 15N translocation inZhanhua-Dongzao tree was in accordance with the rule of stored N nutrition distribution in deciduous fruit trees, and 15N was transported with the growth center transporting.
     果实硬核期施15N-尿素,所吸收的15N主要直接用于植株营养生长和生殖生长,而不是先积累到贮藏器官中后再分配。 果实速长期施15N-尿素,所吸收的15N优先积累在贮藏器官中。
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     The investigation reveals that there are 58 species and allied species in 21 genera and 9 families in the wild fruit-tree forests,and the regions are one of the important sources of domesticating many species of temperate deciduous fruit trees.
     其野生果树种质资源十分丰富,现已查明的野生果树及近缘种9科21属58种,是多种温带落叶果树栽培种的重要起源地之一。
短句来源
  相似匹配句对
     Fruit
     水果
短句来源
     Application of Gibberellin to Production of Deciduous Fruit Crops
     赤霉素在落叶果树生产中的应用
短句来源
     ADVANCES IN PROTOPLAST TECHNOLOGY OF DECIDUOUS FRUIT CROPS
     落叶果树原生质体技术研究进展
短句来源
     Sweet fruit
     留香水果
短句来源
     the style is deciduous early.
     花柱早落;
短句来源
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  deciduous fruit
Many deciduous fruit tree orchard sites throughout the world are contaminated with lead (Pb) and arsenic (As) from past use of lead arsenate insecticides.
      
The soft flesh and deciduous fruit phenotypes were observed together in all F2 individuals, indicating a pleiotropic effect of PG on the two traits.
      
The soft flesh and deciduous fruit of pepper (Capsicum spp.) originated from the wild C.?frutescens BG 2816 accession is a complete dominant trait controlled by the S gene.
      
Polygalacturonase: a candidate gene for the soft flesh and deciduous fruit mutation in Capsicum
      
Over 85 fruit species, including almost all the deciduous fruit species, most of the subtropical and some tropical fruit are grown.
      
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This is a discussion of the natural phenomena and the reported experimental data ofcitrus yellow shoot disease in China which come to the writer's notice.The disease,allied with tristeza virus disease,has long been known.However,in thenorthern citrus growing regions and at high elavations in the southern part,it is entirely ab-sent or only rarely occurs.Shading provided by topography,such as hills of a valley,andother trees,such as wind break and interplanted deciduous fruit trees,is also unfavorablefor...

This is a discussion of the natural phenomena and the reported experimental data ofcitrus yellow shoot disease in China which come to the writer's notice.The disease,allied with tristeza virus disease,has long been known.However,in thenorthern citrus growing regions and at high elavations in the southern part,it is entirely ab-sent or only rarely occurs.Shading provided by topography,such as hills of a valley,andother trees,such as wind break and interplanted deciduous fruit trees,is also unfavorablefor its outbreak in individual orchards,despite of plenty of severely diseased ones in the sur-roundings.There are several possible explanations for the correlation of macro-and micro-climates with the incidence of the disease.But it is considered important to find out firstwhether the influences are exerted on the vector of the virus or on the post-infectional host-virus relationship.The scions taken from diseased shoots develop into apparently normal shoots which remainhealthy for a considerable length of time.Yellow shoots most frequently make their firstappearance on young trees following a year of over-loading of fruits.There is one case ofsuccessful permanent cure of the young tree at its early stage of disease by simultaneousheavy pruning and side-grafting.These phenomena may be explained on the basis of therelation of top/root ratio to pathogenesis of the virus disease.Apparently,there are specific and varietal differences in tolerance of citrus trees to thevirus infection.Similar differences may also exist among clones and individuals within thesame variety,because scions taken from old healthy-looking trees in diseased area give lowerpercentage of diseased plants than those taken from young trees.Variations in transmission and occurrence of the disease may also be due to the differencein virulence of the virus strains which interfere with each other and the fluctuations or un-eveness of concentration of the virus within its host.The writer hereby expresses the beleif that further researches might lead to the applica-tion of cultural,varietal and vaccinal immunization against the hazard of citrus yellow shootdisease.

柑桔黄龙病在我国北部产区及南部高山发生得很轻微或完全不发生。在南部的重病区中,由于地势、防风林、间作果树等所造成的遮蔭条件也不利于病害的发生。大气候和小气候与黄龙病的相关有多种可能的原因。但首先应当研究它们对病毒传播媒介和侵染后发病的影响。用病芽作为接穗所长出的新梢在相当长时间内没有病状。最容易发病的是着果很多的幼树。初期发病的柑桔树通过重修剪和靠接辅助砧木的方法治疗有成功的实例。这些现象都可以从树冠树根比例与发病的关系来解释。柑桔类的种和品种间显然存在着耐病力的差异。这种差异也可能存在于同一品种的不同株系和个体间,因为用病区老树的接穗比幼树的接穗育成的苗木发病率较低。在黄龙病传播和流行上的许多不一致的现象还可能决定于病毒浓度和株系间毒力的差异及其相互关系。上述问题的研究可能导致栽培免疫、品种免疫和人工接种免疫方法的应用。

Qinghai Province is situated in northeastern part of Qinghai-XizangPlateau, where the land utilization varies from place to place because ofthe different topographic, climatic, and edaphic conditions. From theecological view-point, the development of agriculture, forestry, animalhusbandry and sideline culture are discussed in the following three regions: 1. The Tsaidam Basin. The basin situated in the northwest of theProvince is a depression enclosing by high snow-clad mountains in a highplateau, the elevation...

Qinghai Province is situated in northeastern part of Qinghai-XizangPlateau, where the land utilization varies from place to place because ofthe different topographic, climatic, and edaphic conditions. From theecological view-point, the development of agriculture, forestry, animalhusbandry and sideline culture are discussed in the following three regions: 1. The Tsaidam Basin. The basin situated in the northwest of theProvince is a depression enclosing by high snow-clad mountains in a highplateau, the elevation of its floor varying from 2650-3000m. The climateis very dry, being from 50 to 150mm. annually. However, during thegrowing season weather with difference in temperature between the dayand night, together with intense radiation and long daytime favours to highyield and best quality of spring wheat, white potatoes, qingke barley, peas,cabbage and sugar beer grown in the areas where irrigated water comesdown from the melted moutain snow. The areas also yield newly-introduced apple and cultivated Lycium. Nevertheless, the extensive area of salty soilis the limiting factor to the agricultural development. 2. The Eastern Region. The topography together with its climateof this region is highly variable. Spring wheat, beans, vegetablesand deciduous fruits such as apple, apricot, pear and walnut can be wellgrown in the fertile valleys of the Yellow River and Huangshui River. Thevalleys are excellent farming areas, being 1600-2300m. above sea levelwith rather warm temperature and well developed irrigation in theintermountain basins of about 3000m. in elevation with moist andcooler climate, rapeseed gives high yield and fine quality. The highermountains are suitable for raising yaks and goats, while the lower slopeshould be gradually ceased from farming to grazing. Some coniferousforest must be protected on the northeastern mountains along the river. 3. The Southern Plateau. The southern province is with rather cold andmoist climate mostly at an altitude of 4000-5000m. The area hasextensive grasslands dominated by Kobresia spp. and some grasses suitablefor intensive development of animal husbandry. The yak, Tibet's chiefdraught animal, is adaptable to the high altitude and cold climate. Itserves a means of tranport, and its long hair, its milk, flesh and hide areall utilized.

青海省位于青藏高原东北部,由于地形、气候、土壤等自然条件复杂,省内各地土地利用特点差别很大。本文从生态学观点分三个地区讨论该省的大农业发展问题。一、柴达木盆地:位于青海省西北部,是一个被积雪高山环绕的封闭高原盆地,底部海拔高度约2650-3000米。气候干燥,年降水量约50至150毫米。然而绿洲的作物生长季节日夜温差大,结合着强辐射和长日照,有利于春小麦、马铃薯、青稞、豌豆、洋白菜和糖甜菜的光合物质积累,并且品质优良。这里绿洲中最近还引种了苹果和枸杞。但是盆地内大面积的盐土是发展农业的限制因素。二、东部地区:这里地形复杂,局部气候变化大。在海拔1600-2300米的黄河、湟水谷地,春小麦、蚕豆、蔬菜和落叶果树如苹果、杏、梨、核桃等产量高、品质好,这里是青海省的宝贵农业地区。在海拔3000米以上的高寒湿润山间盆地油菜籽油质很好。高山地区适合发展牦牛和藏羊,山坡下部应逐渐退耕还牧。在东北部山地河谷地区的针叶林必须加以保护。三、青南高原:位于本省南部,海拔约4000-5000米,气候寒冷而湿润。这里以嵩草为优势的高寒草甸面积最广,牧草的营养价值高,适于发展牦牛和藏羊畜牧。牦牛适合于这里的高海拔和寒冷气候,它既是交通...

青海省位于青藏高原东北部,由于地形、气候、土壤等自然条件复杂,省内各地土地利用特点差别很大。本文从生态学观点分三个地区讨论该省的大农业发展问题。一、柴达木盆地:位于青海省西北部,是一个被积雪高山环绕的封闭高原盆地,底部海拔高度约2650-3000米。气候干燥,年降水量约50至150毫米。然而绿洲的作物生长季节日夜温差大,结合着强辐射和长日照,有利于春小麦、马铃薯、青稞、豌豆、洋白菜和糖甜菜的光合物质积累,并且品质优良。这里绿洲中最近还引种了苹果和枸杞。但是盆地内大面积的盐土是发展农业的限制因素。二、东部地区:这里地形复杂,局部气候变化大。在海拔1600-2300米的黄河、湟水谷地,春小麦、蚕豆、蔬菜和落叶果树如苹果、杏、梨、核桃等产量高、品质好,这里是青海省的宝贵农业地区。在海拔3000米以上的高寒湿润山间盆地油菜籽油质很好。高山地区适合发展牦牛和藏羊,山坡下部应逐渐退耕还牧。在东北部山地河谷地区的针叶林必须加以保护。三、青南高原:位于本省南部,海拔约4000-5000米,气候寒冷而湿润。这里以嵩草为优势的高寒草甸面积最广,牧草的营养价值高,适于发展牦牛和藏羊畜牧。牦牛适合于这里的高海拔和寒冷气候,它既是交通工具,其毛、皮、奶、肉又有实用价值。

Studies were carried out from 1975 to 1981.Thirty-five species of deciduous fruit trees in Northern China were used,including Prunus 9 sp.Pyrus 5 sp.,Malus 9 sp.,Fragaria 1 sp.,Rubus 2 sp.,Crateagus 1 sp.,Chacaomeles 1 sp.,Diospyros 1 sp.,Zizyphus 1 sp.,Vitis 1 sp., Juglans 1,sp.,Castanea 1 sp.,Punica 1 sp.,and Actinidia 1 Sp.The duration and morphological marks of meiosis of PMC have been exami ned.The results provide basis for cytological studies on the resources of fruit trees. 1)Institute of...

Studies were carried out from 1975 to 1981.Thirty-five species of deciduous fruit trees in Northern China were used,including Prunus 9 sp.Pyrus 5 sp.,Malus 9 sp.,Fragaria 1 sp.,Rubus 2 sp.,Crateagus 1 sp.,Chacaomeles 1 sp.,Diospyros 1 sp.,Zizyphus 1 sp.,Vitis 1 sp., Juglans 1,sp.,Castanea 1 sp.,Punica 1 sp.,and Actinidia 1 Sp.The duration and morphological marks of meiosis of PMC have been exami ned.The results provide basis for cytological studies on the resources of fruit trees. 1)Institute of Genetics and Breeding,Shandong Agricultural College 2)Shandong Institute of Pomology 3)Department of Horticulture,Shandong Agricultural College

本研究于1975—1981年进行。试材包括中国北方落叶果树8科14属35个种,共62个品种类型。查明了减数分裂的时期,找出了减数分裂期的形态标志,为果树资源细胞学研究提供了依据。

 
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