resistant varieties 中文意思是什麼
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Semiquantitative analysis of lignin content in the culm by confocal laser scanning microscopy ( clsm ) showed that lignin contents are elevated in lodging - resistant varieties and this together with the anatomical features may provide higher culm strength resulting in increased lodging - resistance
因此，在超高產小麥品種的選育上，重視外源基因的引進，改進莖稈的結構特性及提高其木質素含量，可能是一個重要的選育方向。 -
In my present study, changes in structure and function of all parts of non - leaf organs ( culms, paleae, lemmas, awns, and glumes ) were investigated during a series of developmental stages and in various cultivars. characterization of the culms of lodging - resistant wheat varieties lodging is a potential cause of yield reduction in cereal crops ( crook et al, 1994 )
其中，比較分析了非葉器官葉綠體超微結構的差異，測量了非葉器官的放氧和低溫熒光等生理指標，嘗試從結構與功能相結合的角度，探討非葉器官在提高作物產量中所起的重要作用。 -
In this project, culms of lodging - sensitive and lodging - resistant varieties of wheat ( triticum aestivum l ) were compared at the morphological level to determine the anatomical features that are associated with these traits. this analysis revealed that lodging resistant culms are short, possess thicker mechanical tissue, and had larger vascular bundles
首先以不同品種的小麥為實驗材料，對其主要非葉器官?莖稈，從解剖結構、木質素含量、以及抗倒伏的力學特性等方面做了詳細的比較研究。 -
Resistant differentiaton of wheat varieties to fusarium graminearum
小麥品種對赤霉病的抗性鑒定 -
Sensitive varieties apparently respire mainly by the glycolysis pathway whereas resistant varieties depend more on the pentose phosphate pathway.
顯然敏感品種的呼吸主要通過糖酵解途徑，而抗性品種比較依賴戊糖磷酸途徑。 -
Carboxylesterase activities of the brown and the whitebacked planthoppers feeding on resistant rice varieties
水稻抗性品種對褐飛虱和白背飛虱羧酸酯酶活力影響的比較研究 -
Comparison of agronomic characters and path analysis of lint yield between insect - resistant cotton varieties and commercial varieties in upland cotton
基因棉與常規棉品種農藝性狀的比較及產量通徑分析 -
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。 -
Planting resistant varieties and cultured control intergrated with chemical control are useful measures for suppressing the disease
選種抗病品種、加強農田管理、結合藥劑防治，防效較好。 -
Studies on the introduction of the cecropin d gene into eucalyptus urophylla to breed the resistant varieties to pseudomonas solanacearum
基因轉化桉樹培育抗青枯病株系的研究 -
It could be tested that parent varieties influences on the setting rate of combinations were stronger if planted or different ecological sites ; some combinations resistant to high or low temperature could be bred on purpose by taking he influences into account
利用生態點的差異，可以有效鑒定出哪些父本品種對組合的結實率影響大；利用父本品種間對組合結實率影響的差異，可以有針對性的篩選出抗高溫或低溫的組合。 -
It also introduces the breeding strategies such as importing and creating new genotypes of dry - farming, choosing local varieties as parents, adopting convergent cross, using directional selection in adverse circumstances, selecting under dry and humid environments alternatively, practising shuttle breeding, diversifying the breeding of rust - resistant varieties, and strengthening the breeding of high quality varieties for special purposes
提出了旱作種質引進創新，選擇當地品種作親本，採用聚和雜交，利用逆境定向選擇，多生態水、旱交替選育，實行穿梭育種，多元化抗銹育種，加強優質專用品種選育的育種策略。 -
According to their fiber qualities and yield - character performances, eight f1 combinations from the cross between high quality fiber property varieties ( strains ) and insect - resistant varieties ( strains ) were evaluated to determine the best combination by using grey system principles and methods, which will help to improve selection efficiency and to accelerate cotton breeding process
摘要利用優質陸地棉品種（系）和常規抗蟲棉品種（系）配製雜交組合，根據f1代產量、主要產量性狀及纖維品質性狀表現，運用灰色評判原理與方法分析比較其灰色綜合評判值，以確定優良組合，為優質高產抗蟲雜交棉的選育提供理論依據。 -
Escape from disease is a hazard of all programs concerned with development of resistant varieties.
對所有抗病毒品種培育規劃來說，避病是一種危險。 -
Advances in of whfat salt - tolerance and in breeding salt - resistant varieties
小麥耐鹽機理及培育抗鹽品種研究進展 -
So, using the genetic engineering to breed the fungi - resistant varieties is a available method
利用基因工程進行抗病育種是一個有效的途徑。 -
Resistant varieties of wheat have been crossed with high yield wheat to combine these properties
比如，抗病小麥同高產小麥雜交，形成了一種具有雙重特性的新的小麥品種。 -
The insect - resistant varieties make their own insecticide a property meant to reduce the need for chemical sprays
植入抗蟲基因的作物會自行製造殺蟲劑，因此可望減少化學藥劑的噴灑。 -
Mr reader ' s tale ends with the modern efforts to understand the genetics of the potato, which could lead to more disease - resistant varieties
在作品末尾，里德爾試圖用現代技術來破解馬鈴薯的基因構造，從而有助於培育出更能抵禦病蟲害的馬鈴薯種類。 -
It is testify that culture the fungi - resistant cultivates is the most economic and available way. however, the conventional breeding ca n ' t meet the need of cultivating the fungi - resistant varieties, because of its long period, short fungi - resistant genes and disappearing resistance with the changes of pathogen
實踐證明，最經濟有效的方法就是培育出抗病品種，然而常規育種由於品種選育年限長、抗源基因匱乏及隨病源生理小種的變化抗病性消失等原因，遠不能滿足選育抗病品種的需求。
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