selection breeding 中文意思是什麼
selection breeding
解釋
選擇性繁殖-
This paper introduced the application of biotechnology in rice genetics and breeding, including tissue culture, cell mutants selection, protoplast fusion, apomixis, molecular mark assisted breeding and genic transformation
簡要綜述了生物技術在水稻遺傳育種中的應用，主要包括組織培養、細胞突變體的篩選、原生質體融合、無融合生殖以及分子標記輔助育種和轉基因技術等方面。 -
The selection methods applied in soybean breeding are those used in improving autogamous plant species.
大豆育種工作中應用的選擇方法即是那些用於改良自花授粉植物的方法。 -
This paper summarized the inheritance and variation of main biological and economic characters in rape progeny from hybridization and distant crossing, inquired into the selective mating of hybrid parent and the selection of hybrid progeny, analyzed the problems which had existed in rape distant crossing breeding, and put forward some ideas for accelerating the stability of characters in distant crossing progeny
概述了油菜品種間雜交後代及遠緣雜交後代主要生物學性狀和經濟性狀的遺傳變異現象；對雜交親本的選配及雜種後代的選擇進行了探討，分析了油菜遠緣雜交育種中存在的問題，就加速遠緣雜種後代的穩定提出了一些見解。 -
Selection and breeding of hybrid of b. napus - kenyou no
甘藍型春油菜雜交種墾油4號的選育 -
It is differ both from the method of " circulate line selection " for seed reproduction and from the method of " pure line breeding " for varieties development
該方法既區別于單純生產原種的「株系循環法」 ，也區別于選育新品種的純系育種法。 -
The breeding population must cycle through a selection phase before each successive regeneration stage.
每個后續世代更換之前，育種種群必須經過一個選擇循環。 -
Analysis of some traits of plants and rice variety cultivated area indicated that anther culture has the same ideal selection effects as that of conventional breeding, but has higher selection efficiency
從花培育成品種的推廣種植面積與常規育成品種比較分析，花培育種與常規育種有同樣好的選擇效果。 -
During wheat and barley bred in winter in sanya, some technological characteristics concerned must be wielded according to the ecological conditions there. 1 ) carefully select materials and avoid planting the materials that can not head in sanya. 2 ) cultivated measure : spread lime before ploughing ; and make furrows during soil preparation. spread funandan in sowing furrows. after every irrigation and heavy rains, surplus water must be drained off immediately and soil must be intertilled in time. it is also a key measure in breeding in winter to prevent and eliminate the plant disease, pest and mice during plant growing period. 3 ) the flowering period of parent for hybridization must be adjusted. 4 ) the criterion for each trait selection to breeding materials should be soften to different degrees
在三亞冬繁麥類時，應根據當地生態條件掌握好有關技術特點：慎重挑選冬繁材料，盡量避免攜帶可能在三亞不抽穗的材料；栽培措施應注意耕翻前撒施石灰，整地需開廂起壠，播種溝先撒呋喃丹，灌水及大雨後要排除余水，及時鬆土，生育期間注意防治病蟲鼠害；雜交親本應注意調節花期；對育種材料各性狀的選擇標準都要不同程度地放寬。 -
Breeding of indica hybrid rice xieyou 218 with resistance to bacterial leaf blight by marker - assisted selection technique
採用分子標記技術育成優質抗病雜交稻新組合中優218 -
Status quo and achievement of rubber selection and breeding in yunnan
雲南橡膠樹選育種工作進展和成就 -
Breeding and selection of fresh - food waxy corn variety
沿江地區早熟優質高產鮮食糯玉米品種的篩選 -
Aorigele, liu junping, yang xiaohong and hao yongqing were invited to give detailed lectures on advanced expertise relevant to seed selection, selective breeding and reproduction of dairy cattles, rearing management of calves and cows in lactation periods, the prevention and control of common dairy cattle diseases, the nutritional requirements and daily arrangements of feed ingredients and the prevention and control of infectious dairy cattle diseases
資深專家敖日格樂劉俊平楊曉紅郝永清等四位教授分別就奶牛的選種選配與繁殖，犢牛泌乳期奶牛的飼養管理，奶牛常見疾病的預防和控制，奶牛各階段營養需求與日糧搭配，奶牛傳染性疾病的預防和控制等方面的先進技術進行了詳細講解。 -
Regulation of breeding and selection techniques for lean - type pigs
瘦肉型豬選育技術規程 -
Marker - assisted selection speeds up plant breeding using biotechnology techniques like genetic markers, plant breeders have been able to shave months, often years off the conventional breeding process through marker assisted selection
利用諸如遺傳標記物等的生物技術，植物育種家已經能夠藉助標記物進行選種，將傳統的育種過程縮短了幾個月甚至幾年。 -
Based on the summarization of 20 years breeding and selection experiences of jiaxian red cattle, the market trends and bio - tech development, the technical measures of breed conservation system which combine the livestock, frozen semen and embryo storage were proposed to mainly investigate the breeding technology strategy by foreign blood introduction to increase the earlier maturity, milk production and meat performance of jiaxian red cattle
本文在總結郟縣紅牛20年保種選育經驗基礎上，根據市場發展趨勢及生物技術水平，提出了建立活體保種和冷精胚胎保種相結合的保種體系的技術措施，重點探討了通過引入外血提高郟縣紅牛早熟性，泌乳性，肉用性的育種技術模式。 -
The results showed that stem volume ( v ) and wood basic density ( bd ) were the most important traits in selection breeding for pulpwood of masson pine and, stand and individul selections shoud be based on the provenance selection
結果表明，馬尾松制漿造紙材的良種選育應以材積和木材基本密度作為主要指標，首先進行種源的選擇，在此基礎上進行林分和個體的選擇。 -
Genetic variations in different levels of masson pine ( pinus massoniana lamb. ) in main traits were studied on the basis of the 12 - year - old data of provenance tests at 7 test locations and the 11 - year - old data of plus progenies at 2 test locations, and the index and strategy in different variation levels on selection breeding for pulpwood in masson pine was also discussed
以7個試驗點12年生馬尾松種源試驗林及2個試驗點11年生優樹子代測定林為基礎材料，在研究馬尾松主要性狀不同層次遺傳變異的基礎上，對馬尾松制漿造紙材良種選育目標及在不同變異層次的選擇策略進行了探討。 -
Besides, to discuss the methods and pathways for building the hybridize parents of excellent quality by yunnan scent soft rice germplasms and for selection breeding the hybrid rice of high quality, to discuss the scent gene genetic expression of yunnan rice germplasms and the problem of breeding application
此外，討論利用雲南香型軟米稻種資源創建品質優異雜交稻親本和選育優質雜種稻的方法和途徑，以及雲南稻種資源香味基因遺傳表現及其在育種中應用問題。 -
The robust and biggest individuals were selected from cs201 in selection breeding
從cs _ （ 201 ）篩選個體大、活力強的對蝦進行育種試驗。 -
Although it is quite effective to use traditional selection breeding to tree species, long time is still needed because of long growing period of trees
對林木米說，傳統的選擇育種是十分有效的，但由於樹木生長周期長，林木的選擇育種也需要很長時間。
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