育種繁殖 的英文怎麼說
中文拼音 [yùzhǒngfánzhí]
育種繁殖
英文
breeding cultivation-
Influence of four food plants on development and fecundity of the spotted cutworm, agrotis c - nigrum
四種食料植物對八字地老虎生長發育和繁殖的影響Development and fecundity of oligonychus biharensis on three southern fruit crops
比哈小爪蟎在3種南方果樹上的發育與繁殖Directed on the present situation and existing problems in boosting beef cattle industry based on the yellow cattle improvement in china, the review indicated that several relationships, such as integration of individual households and large scale cattle farms, integration of yellow cattle improvement, crossbreeding, breed conservation and utilization, integration of high grain diet intensified fattening and low grain diet economic fattening, should be handled properly ; and the requirements of profitable cattle industry for increasing reproductive survive rate, using hybrid vigor and improving the weight gain, the main factors affecting economic return of large scale cattle farms and the technology level improvement in cattle industry were duiscussed as well
本文就近來我國以黃牛改良為特點的肉牛業蓬勃發展現狀與存在問題，指出應處理好養牛經營形式千家萬戶與規模牛場相結合、黃牛肉用與肉役兼用相結合、黃牛改良選育與雜交、保種及利用相結合、高精料強度肥育與低精料適度育肥相結合等幾個問題；並就提高養牛經濟效益對提高繁殖成活率、充分利用雜種優勢、提高日增重的要求和影響規模牛場經濟效益的主要因素及如何提高養牛科技水平等問題提出探討。Culture of brontispa longissima ( gestro ) and its two parasitical natural enemies, tetrastichus brontispae fer. and asecodes hispinarum have been developed in research
摘要開展對椰心葉甲的飼養及其兩種寄生性天敵椰心葉甲嚙小蜂和椰甲截脈姬小蜂的培育繁殖研究。Introduce according to the relevant data, persian cat is in around 16 centurieses, from the himalayas cat and angola cat miscellaneous hand over, lift through several years to breed but grow purely. persian cat ' s figure is bigger, wering grown by the hair and thick and airtight, head circle big, the face is flat even, sum breadth the ear is small, circle the eye snub - nosed tone short breadth, the body feels round and smooth because the hair grows, the arms and legs is thick short soft, the tail is fluffy and bulky, giving person a kind of noblest felling. persian cat ' s pressing is canned is divided into a white, black, red by the hair color ' s dissimilarity, yellow, dark gray, blue, double color, tortoise shell color, miscellaneous color, tiger spot color etc. species. take species of the red as among them valuable
根據有關資料介紹，波斯貓是在16世紀左右，由喜馬拉雅貓和安哥拉貓雜交，經過多年的提純繁殖而培育出來的.波斯貓體形較大，被毛長而且厚密，頭圓大，臉扁平，額寬耳小，圓眼塌鼻口吻短寬，軀體因毛長而感覺渾圓，四肢粗短柔軟，尾蓬鬆粗大，給人一種雍容華貴的感覺.波斯貓按被毛顏色不同可分為白色，黑色，紅色，黃色，暗灰色，藍色，雙色，玳瑁色，雜色，虎斑色等品種.其中以紅色的品種尤為名貴.波斯貓外表美麗大方，叫聲細小甜美，性格溫和，膽大好奇，喜歡與人親近，善解人意，容易調教，是一種深受人們喜愛的高貴寵物.有關波斯貓的起源眾說紛紜，現較統一的說法是在阿富汗土著長毛貓的基礎上，同土耳其或亞美尼亞地區的安哥拉貓雜交培育而成。Article 2 " agro - techniques " mentioned in this law refer to the scientific research results and practical techniques to be applied to crop cultivation, forestry, animal husbandry and fishery, including techniques of breeding good strains, applying fertilizers, preventing and controlling plant diseases and insect pests, as well as plant cultivation and animal husbandry ; techniques of processing, preserving, storing and transporting products and by - products of agriculture ; techniques of agricultural machinery and agricultural aviation ; techniques of irrigation and water conservancy, soil improvement and water and soil conservation ; techniques of water supply and energy utilization in rural areas and agricultural environmental protection ; techniques of agricultural meteorology, and techniques of agricultural management and administration
第二條本法所稱農業技術，是指應用於種植業、林業、畜牧業、漁業的科研成果和實用技術，包括良種繁育、施用肥料、病蟲害防治、栽培和養殖技術，農副產品加工、保鮮、貯運技術，農業機械技術和農用航空技術，農田水利、土壤改良與水土保持技術，農村供水、農村能源利用和農業環境保護技術，農業氣象技術以及農業經營管理技術等。Other birds feed on developing reproductive structures or seed.
另外一些鳥取食發育中的繁殖器官或種子。2 comparative study on morphology in the light of the form of the materials, hup shows more approximate relationship with gri : they are 50 ~ 70cm high at the period of fructescence ; both are perennials and reproduce themselves by root stock, and especially, hup can also reproduce itself by branch roots and buds growing from stipes when the stems fall againt the ground, and then those buds develop into new bodies ; while gri can reproduce itself not only by vegetative propagation but by seeds. both of hup and gri characterize with bigger leaf blade and with the approximate form of simple leaf, with root stock, and with two - line seeds in one fruit
2形態學比較從形態上來看，新種hup與分佈海拔高度相近的gri比較接近:植株體高大，果期株高50一7ocm ;都為多年生，能以其根狀莖繁殖，但前者還以較為特殊的營養體繁殖後代，即倒伏后每個莖節上長出新的根和芽，發育成獨立的新植株，後者既能以營養體繁殖，又可通過種子繁殖;具有較大的葉片且單葉形態相近，果實內有二行種子（其它種為一行） . 。Development and reproduction of hawthorn spider mites on apple cultivars
山楂葉蟎在蘋果不同品種上的生長發育及繁殖" the cape d aguilar marine reserve is a spawning and nursery ground of fishery resources. various gorgonian corals, stony corals and other rare species are found in the area. thus, there is a need to prohibit certain activities to conserve the diverse marine life there, " the spokesman said
鶴咀海岸保護區是多種魚類的繁殖及哺育場，該處亦有各類柳珊瑚和石珊瑚，以及其他稀有品種，因此，有必要禁止在鶴咀海岸保護區內進行某些活動，以存護該區域內的多樣化海洋生物。In this dissertation, the interactive system of delphastus catalinae ( horn ), its preys and competitor was studied, including comparison between alternative preys and natural prey consumed by d. catalinae ; the system of d. catalinae and its preys ; morphology comparison between d. catalinae and its competitor serangium japonicum chapin ; biology, ecology and predation of s. japonicum ; and also the interspecies competition between d. catalinae and s. japonicum. 1. besides whitefly pests, d. catalinae could also feed on two species of alternative preys : tetranychus nr
Fijiensis和桃蚜myzuspersicae （ sulzer ） ，並在實驗室條件下，以自然獵物煙粉虱bemisiatabaci為對照，研究了替代獵物對小黑瓢蟲的發育、存活、繁殖及對實驗種群增長的綜合影響，結果表明： （ 1 ）小黑瓢蟲以蚜蟲為獵物時，成蟲不會產卵，但可延長成蟲的壽命；以紅蜘蛛為獵物時，成蟲可產卵並可完成整個世代。So, how does a breeder find out the exact genotypes of his / her breeding stock
那麼，繁育者怎麼知道他用來繁殖的狗是哪種基因型呢？In my opinion, breed policies based on an animal ' s nationality have nothing to do with the breeding of better dobermans
依我看來，以一種動物的國籍為基礎的繁育方針與繁殖更好的杜賓是毫無關系的。" circulate line selection in double direction " is a new selection procedure combined multiplication of seeds and development of new varieties
摘要「株系循環雙向選優法」是將原品種繁殖與新品種選育相結合的新方法。Centropages tenuiremis is a mainly dominant species in xiamen waters during winter - spring. there is a noticeable character in its life history, that in may and june, when the population of this species begin to reduce gradually, the females could produce diapause eggs with long spines on their surface to over summer - autumn ( from july to november )
瘦尾胸刺水蚤（ centropagestenuiremisthompsen & seott ， 1903 ）是廈門海區冬春季節的主要優勢種，其生活史中一個顯著的特點就是在種群數量逐漸減少的5 6月間，雌體會產出表面遍布長刺的滯育卵，以滯育形式度過不利其生長繁殖的夏秋季（ 7 11月） 。Development of water - saving agriculture, dry fanning and ecological agriculture, construction of fine quality product centers of gain, cotton, oil and tobacco, well - bred breeding, reform of middle and low yield fields, small watershed control, processing and storage of agricultural and sideline products, production of high - efficiency low toxicity and safe biological pesticide, construction of livestock breeding centers
節水農業、旱作農業、生態農業開發，糧、棉、油、煙優質產品基地建設，良種繁育，中低產田改造，小流域治理，農副產品加工貯藏，高效、低毒、安全生物農藥及高效有機肥生產、養殖業基地建設等。This is mainly due to the improvement of rice varieties, including ( 1 ) the development of semidwarf rice varieties suitable for mechanical harvesting, ( 2 ) the development of varieties resistant to lodging resulting from heavy fertilizer applications, ( 3 ) the development of varieties resistant to diseases and insects, ( 4 ) the establishment of a good seed propagation system, and ( 5 ) the rapid renewal of rice varieties through the services of the rice nursery centres
主要是改善了水稻品種，這包括： 1 ）選育半矮化品種，有利於機械收割； 2 ）選育抗倒伏品種以適應高施肥量； 3 ）選育抗病蟲害的品種； 4 ）建立良種繁殖基地； 5 ）通過水稻育苗服務中心，及時更新品種。Effect of temperature on development and fecundity of two pesticide resistant strains of tetranychus cinnabrinus boisduval acari : tetranychidae
溫度對硃砂葉蟎二種抗藥性品系發育和繁殖的影響Though dryopteris crassirhizoma usually vegetated under forest and had definite overcast endurance, the excessively overcast environment went against the growth and reproduction of dryopteris crassirhizoma population
盡管粗莖鱗毛蕨常生長在林下，有一定的耐陰性，但是過陰環境不利於粗莖鱗毛蕨種群的生長發育和繁殖更新。Miniature seedlings and free virus technique of potatoes
網棚扦插育苗繁殖馬鈴薯脫毒微型種薯技術分享友人