Through disease resistant identification, systematic selection and cell analysis, high yield varieties and new germplasm with good agronomic characters resistant to powdery mildes have been selected.
经抗病鉴定、系统选育和细胞学分析，选育出高产、抗白粉病的小麦新品种和农艺性状较好、抗白粉病的小麦新种质。
Yet high-yield varieties are also genetically weaker crops that require expensive chemical fertilizers and toxic pesticides.
然而高产量品种也是基因较弱的作物，需要昂贵的化肥和有毒农药。
Over time farmers came to rely heavily on broadly adapted, high-yield crops to the exclusion of varieties adapted to local conditions.
久而久之，农民严重依赖普遍适应性、高产的作物，而将那些适应本地环境的品种排除在外。
The new rice varieties combine the high yield potential of Asian rice (Oryza sativa) with the stress resistance of African rice (Oryza glaberrima).
这些水稻新品种结合了亚洲水稻(oryzasativa)的高产潜力和非洲水稻(oryzaglaberrima)的抗逆性。
Many rice varieties with high yield potential — including 'super-rice', usually with big panicles [large number of grains] — often suffer from bad grain filling.
许多拥有高产潜力的水稻，包括通常具有更大的圆锥花序[更大数量的谷粒]的超级稻，都经常灌浆不良。
Thestudies showed that: It is entirely possible to select the varieties of high tofu yield.
研究表明：筛选到豆腐产量高的品种可能性很大。
The relations between kernel yield and quality characters and the relations among quality characters of high quality wheat were analyzed using 7 high quality wheat varieties(lines).
利用7个优质小麦品种（品系） ，分析了优质小麦籽粒产量与品质性状的关系，以及品质性状之间的关系。
The endemic mulberry varieties of Shandong have high leaf yield, better leaf, strong anti-adversity and wide adaptability.
山东桑树地方品种春季产叶量高，叶质较好，抗逆性强，适应性较广。
Pacific oyster is one of improved varieties in shallow aquaculture with great body weight, good growth, delicious taste, high yield, and adaptability.
太平洋牡蛎具有体型大、生长快、味美、产量高、适应性强等优点，是浅海养殖的优良品种之一。
The local varieties of shandong mulberry have high leaf yield in spring, better leaf quality, strong adversity resistance and extensive adaptability.
山东桑树地方品种春季产叶量高，叶质较好，抗逆性强，适应性较广。
This paper was a partial content of '948' project of agricultural Department about introduction and breeding the new alfalfa varieties with high yield and fine quality and high resistance.
本文是农业部‘948’项目“高产优质抗逆苜蓿新品种的引进与繁育”课题的一部分内容。
But many defects exist in the pear industry such as unreasonable varieties structure, low yield per unit area, the shortage of high quality fruits, poor benefit and so on.
但是，从整个梨产业结构来说还存在不少问题，如品种结构不合理，单位面积产量低，优质果少，经济效益差等。
Many rice varieties with high yield potential - including 'super-rice', usually with big panicles [large number of grains] - often suffer from bad grain filling.
许多具有高产潜力的水稻品种——包括通常有着大型圆锥花序的‘超级水稻’——往往受限于灌浆不良。
The key to gain high yield should choose those varieties with mean filling rate and maximum filling rate to be quick from middle or middle late materials.
生产上选择增重速率及最大增重速率较快的中熟或中晚熟品种和材料是获得高产的关键。
The method of the high-stability coefficient was used to evaluate the high-stability of the yield and its composites of the new-bred wheat varieties in Huanghuai dryland.
应用温振民等提出的高稳系数法对黄淮旱地新育成小麦新品种的产量及其结构性状的高产稳产性进行了分析。
The realization of crop super-high yield is the interactive result between varieties with super-high yield and the suitable cultivation condition in the favorable ecological areas.
作物超高产是具有超高产潜力的品种在一定生态区域和栽培条件下诸多因素和谐互作的结果。
But technologies driving this growth, such as high-yield varieties, fertilizers, and irrigation, were becoming exhausted.
但是，推动高产的技术，比如高产新品种、化肥以及灌溉，正在消耗殆尽。
This information has laid a solid foundation for using transgenic technology to cultivate new varieties of forest trees for high yield, fine quality, high stress tolerance and pest resistance.
这些重要基因的获得为利用转基因技术培育高产、优质、抗逆、抗病虫害的林木新品种奠定了一定的基础。
For example, disease - resistant varieties of wheat have been crossed with high - yield wheat to combine these properties.
比如，抗病小麦同高产小麦杂交，形成了一种具有双重特性的新的小麦品种。
The results of varietal comparative test show that leaf lettuce varieties, 9547 and 9542, are characterized by the strong growth, late bolting and high yield under the condition of high temperature.
品比试验的研究结果表明，9547与9542具有高温下长势旺、不易抽薹且产量水平较高的特性。
For researching matter production and the reason of high yield, using high yield local varieties Jiyugeng, Changbai 9, Tengxi138, dry matter production and yield constitution factors were researched.
为研究高产水稻的物质生产及高产原因，选用本地区的高产品种：吉玉粳、长白9号、藤系1 38三个品种，探讨了干物质的生产和产量构成因素。
By means of grey system theory, the 1998 ~ 1999 results of Henan province regional test for super high yield wheat varieties were analyzed.
利用灰色系统理论，对1 998 ~ 1 999年河南省超高产小麦良种区试结果进行了分析。
During 10 years since RGS come into being, it has bred about 10 high yield, high quality rice varieties, brought hugely contribution to Jilin province.
在研究所成立的10年期间，相继培育出深受市场和农民喜欢的高产优质水稻新品种近10个，为吉林省水稻生产做出重要贡献。
The new rice variety "Zhongtie 31" bred by fast-neutron irradiation has been compared with its original "Tieqiu 15" and some other types of high-yield rice varieties.
本文分析了快中子辐照育成“中铁31号”品种的高产原因，同时与原种“铁秋15号”及不同类型高产品种作了比较。
The new rice variety "Zhongtie 31" bred by fast-neutron irradiation has been compared with its original "Tieqiu 15" and some other types of high-yield rice varieties.
本文分析了快中子辐照育成“中铁31号”品种的高产原因，同时与原种“铁秋15号”及不同类型高产品种作了比较。
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