耐旱的 的英文怎麼說
中文拼音 [nàihànde]
耐旱的
英文
drought enduring-
My experiment can mostly include two sections : the first one was a pot experiment which was carried out in the greenhouse to study the physiological responses of helianthus tuberosus l. seedlings to salt and water stress ; the second one was a field experiment which was carried out in laizhou, shandong province to study the effects of seawater irrigation on helianthus tuberosus l. and soil
本試驗由溫室盆栽耐鹽耐旱試驗和大田海水灌溉試驗兩大部分組成:溫室盆栽試驗主要通過砂培的方法,研究了幼苗期菊芋在鹽分和水分脅迫下的生理反應;大田試驗在半乾旱的山東萊州地區進行,研究了海水灌溉對菊芋及其土壤的影響。Comparative study on the drought - tolerance between 4 high yield paddy rice varieties and brazil upland rice variety
4個水稻高產品種與巴西陸稻的耐旱性比較研究Mongolian wheatgrass is a long - lived perennial grass of the genus agropyron. it is well adapted to the cold, arid conditions of the great plains and its leaves are rich in nutrition, so it is wide ranged in arid and semi - arid area of north of china
冰草屬于壽命較長的多年生叢生牧草,抗寒、耐旱性強,營養豐富,是我國北方乾旱和半乾旱地區改良天然牧草和人工草地的適宜草種。Weather or not the vegetation restoration and rebuilt can be achieved will largely depend on weather or not sprout can build up the mechanism to resist dry stress. this point of view has been pro - ved by plants living on the natural water. usually the xerophyte has particular ability to endure drought for long term
植被恢復與重建能否取得進展,在很大程度取決于幼苗期能否完成適旱過渡,這種現象,在依賴自然水源生繁的地區特別明顯。荒漠中自然生長的植被,通常具有耐受長期乾旱的特殊能力。It was showed that c. arborescens ecotype wu was generally the most drought tolerant one except lower than c. arborescens ecotype xj which was the maximum in may, bore comparison with zygophyllum xanthoxylum by estimating seasonally ; c. latens ecotype nx was significantlly lower than c. arborescens ecotype wu, the result was contrary to being known ; c. arborescens ecotype kerqin was significantlly lower than wu ; xj, the maximum in may, showed no else great difference to nx ; c. lanata was high in april and not high afterwards, however its phenological phase presented visible changes as compared with the original life patterns in western america
Arborescensecotypexj ) 5月耐旱性表現最強,其他時間與寧夏駝絨藜差別不大;北美駝絨藜( c lanata ) 4月拐點很高, 4月以後耐旱性降低,其物候期與原分佈區(美國西部)相比發生了很大變化。駝絨藜屬植物在不同季節中蒸騰速率的日變化基本上都為典型的單峰曲線。There existed very significant correlations between drought tolerance and relative values of root dry weight, total root length, and root volume ( per plant dry weight basis ), respectively, which could be used as root indicators of drought tolerance
比根干重、比總根長、比根體積與耐旱隸屬函數平均值均呈極顯著正相關,可作為耐旱性的根系性狀指標。Secondly, many crop water parameters, including eta, wue and water sensitive parameters etc., were studied through onsite experiment, typical household survey and other methods. by analyzing crop water usage characteristics, we concluded : 1. about eta : the amout of pear water consumption was highest ( 750. 2mm ), however, the watermelon planted in greenhouse consumed only 266. 5mm ; 2
通過對大田作物需水量與自然降水量的平衡分析,可以將順義區主要大田作物分為三類: 1 )灌溉需求量較大的作物,包括水稻、冬小麥、苜蓿、棉花; 2 )灌溉需求量較小的作物,包括夏播作物(夏玉米、夏花生、夏大豆)和耐旱、避旱作物(高梁、穀子) ; 3 )中間型作物,包括大部分春播作物(春玉米、春花生、春大豆等) 。The root system of malus toringoides is so developed that it can grow on prior soil and in cracks of rock. like malus transitoria, malus toringoides tolerant to draught and can grow on sunny dry slope, rocks of steep cliffs, barren stone area, roadsides and field sides. malus toringoides was also adapted to habitat shade and can grow normally gorges of hill, and even on sides of brook and river, where water often attack on
變葉海棠根系發達,能穿透堅硬的土層和巖石裂縫,它具有喜光耐旱的特點,在陽坡、凸坡、懸崖峭壁、瘠薄堅硬的石穀子地、道路兩旁和農耕地邊都能正常生長,與花葉海棠近似;變葉海棠也具有喜濕耐陰的特點,在深山峽谷、甚至在根系長期經受洪水侵襲的溪邊、河岸也能正常生長,與隴東海棠近似。Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified
摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份,在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定,發現材料間性狀隸屬函數值具有豐富遺傳變異,以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標,從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型( 1級)材料和臨河大粉青、寧海晚黃豆等乾旱敏感型( 5級)材料。As africa was once joined to australia before the continental plates parted, similarities exist in the plants from the two continents, and many useful and drought - tolerant plants have even taken over and become pests
由於非洲與澳洲在大陸板塊分開之前曾連在一起,所以這兩個洲的植物在許多方面有相似之處,許多有用及耐旱的植物因為過度生長而變成了有害植物。Chlorophyll content of all the species expect me show the same rule as the plants locating from sun leaves to shade leaves with the changing soil water content. 6 rewatered after extreme drought, the photosynthetic rate of m. h, m. c and m. s increase evidently, showing " compensation effect ", but there have differences between these three species. contrarily, when rewatered after extreme drought, the photosynthetic rate of m. d
6 、杭州石薺? 、華薺?和石薺?經極端乾旱后澆水,光合速率均明顯增加,表現出「超補償現象」 ,但三者之間存在一定的差異;小魚仙草乾旱條件后澆水,光合速率顯著下降,說明該物種在比較乾旱條件下也能夠較好地生存,但對極端乾旱的耐受能力不如杭州石薺? 。Preliminary study on aero - anion concentration in urban green spaces
不同種和種源胡枝子的耐旱性差異研究The physiological and biochemical reaction to drought of different drought - tolerant maize
不同耐旱性玉米品種對乾旱的生理生化反應Effects of soil water stress on pigment contents in leaves of different drought - tolerant spring wheat cultivars
土壤水分脅迫對不同耐旱性春小麥品種葉片色素含量的影響The seeds of ceratoides l. had great power of drought resistance and salt resistance, meanwhile, there are great differences between species, ecotypes or plants with different age
該屬種子萌發時有較強的耐旱性和耐鹽性,且存在種間、生態型間及株齡間的差異。Based on the practical experience in the past two decades it is clear that the breeding of salt, drought and cold tolerant crop varieties by cloning the controlling genes is the ultimate, most economical and most reliable measure for utilizing salted soil
二十多年來的鹽堿地改造和農作物耐鹽育種的實踐證明,開發耐旱、耐寒、耐鹽漬基因,培育出高度耐旱、耐寒、耐鹽漬的植物品種是開發利用鹽漬化土地的最根本、最經濟和最穩妥的途徑。Field and potted trials were adopted. drought adaptive characteristics were tested mainly on dehydration resistance ( dre ) of detached branchs and transpiration rate ( tr ). a new method called turning point ( tp ) was suggested
試驗在呼和浩特進行,以駝絨藜屬植物為主要研究對象,採用大田試驗和盆栽試驗法,主要從離體枝的脫水速率和葉片蒸騰速率兩個方面探討了耐旱性反應或特徵。However most researches on rock plants both at home and abroad emphasized their individual characteristic, their acclimatization mechanism and great ecological potential were neglected. therefore, ecology and nutrition characteristics, as well as drought resistance mechanism of rock plants were poorly understood. as an important rock plant, pogonatherum paniceum ( lam. ) hack
然而,國內外對巖生植物的研究和利用多從宏觀尺度上偏重於其獨特個體特徵,忽略了其內在環境適應機制和巨大生態潛能,缺乏對巖生植物生態特徵、營養特性及其耐旱機理的綜合研究。An effort to engineering plants with elevated aba levels and subsequent stress tolerance has been shown that 9 - cis - epoxycarotenoid dioxygenase ( nced ) is a key enzyme in abscisic acid biosynthesis under drought - stressed conditions. plants overexpressing nced showed an improvement in drought tolerance. however, plants maybe have not good growth with too high level of aba in the plant body
目前通過提高aba水平來提高植物的逆境脅迫耐力的研究表明9 ?順式環氧類胡蘿卜素雙加氧酶( nced )是乾旱脅迫下aba合成中的關鍵酶,並且超表達nced基因可以提高植株的抗旱性;但是如果植物體內積累過多的aba可能會對植物生長造成不良影響。It was showed that the drought resistance among three trees were different, p. orientalis was strongest, then wes p. tabulaeformis, the thi rd was r. pseudoacacia
試驗表明,各樹種忍耐長期乾旱的能力不同,側柏最強,油松次之,刺槐最差,表明了各樹種林分抗旱穩定性的不同。分享友人