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frogeye leaf spot
相关语句
  灰斑病
     GENETIC ANALYSIS OF FROGEYE LEAF SPOT(Cercospora sojina Hara) RESISTANCE IN SOYBEAN
     大豆灰斑病(Cercospora sojina Hara)抗病性的遗传分析
短句来源
     Soybean frogeye leaf spot is one of serious disease during soybean growing stage.
     大豆灰斑病(soybean frogeye leaf spot)是大豆上的一种严重病害。
短句来源
     The Prevention and Cure Effect of 1 % Wuyi-rhzomorph for Soybean Frogeye Leaf Spot
     1%武夷菌素防治大豆灰斑病效果的研究
短句来源
     Longpin9501 has the medium resistance to frogeye leaf spot ,and its protein content, oil content and total of both protein and oil content are 45.11%, 18.32% and 63.43%, respectively.
     龙品95 0 1,中抗大豆灰斑病,蛋白质含量4 5 11% ,脂肪含量18 32 % ,蛋脂总含量6 3 4 3%。
短句来源
     THE GRADING STANDARD OF DISEASE SEVERITY ON LEAFSPOT OF FROGEYE LEAF SPOT OF SOYBEAN
     大豆灰斑病叶部病斑严重度的分级标准
短句来源
更多       
  大豆灰斑病
     GENETIC ANALYSIS OF FROGEYE LEAF SPOT(Cercospora sojina Hara) RESISTANCE IN SOYBEAN
     大豆灰斑病(Cercospora sojina Hara)抗病性的遗传分析
短句来源
     Soybean frogeye leaf spot is one of serious disease during soybean growing stage.
     大豆灰斑病(soybean frogeye leaf spot)是大豆上的一种严重病害。
短句来源
     The Prevention and Cure Effect of 1 % Wuyi-rhzomorph for Soybean Frogeye Leaf Spot
     1%武夷菌素防治大豆灰斑病效果的研究
短句来源
     Longpin9501 has the medium resistance to frogeye leaf spot ,and its protein content, oil content and total of both protein and oil content are 45.11%, 18.32% and 63.43%, respectively.
     龙品95 0 1,中抗大豆灰斑病,蛋白质含量4 5 11% ,脂肪含量18 32 % ,蛋脂总含量6 3 4 3%。
短句来源
     THE GRADING STANDARD OF DISEASE SEVERITY ON LEAFSPOT OF FROGEYE LEAF SPOT OF SOYBEAN
     大豆灰斑病叶部病斑严重度的分级标准
短句来源
更多       
  “frogeye leaf spot”译为未确定词的双语例句
     Study on the Occurance Regularity and the Control of Tobacco Frogeye Leaf Spot (Cercospora Nicotianae)
     烟草蛙眼病发生规律与防治研究
短句来源
     The occurance regularity of tobacco frogeye leaf spot (Cercospora Nicotzanae) and control methods were studied.
     本文研究了烟草蛙眼病发病规律和防治方法。
短句来源
     The chemicals, 70% mancozeb,co% cenbendazol and 75% chlorothalonil had better control effect on frogeye leaf spot.
     对蛙眼病防效较好的药剂有70%代森锰锌、50%多菌灵和75%百菌清。
短句来源
     Pods larger then l cm were very easy to be infected by frogeye leaf spot and the rate of disease seeds was hight. The pods smaller then 0.5 cm were not infected by frogeye leaf spot.
     荚龄大于 1 cm的最易感病、病粒率高 ,0 .5cm以下的荚不易感病
短句来源
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  frogeye leaf spot
Yield losses due to frogeye leaf spot occurred through a reduction in seed size.
      
The results showed that the incidence of frogeye leaf spot was highest in Southern province (5.1), followed by Lusaka province (4.9) while Central province had the lowest disease incidence (1.8).
      
Soybean cultivars were evaluated for yield losses resulting from frogeye leaf spot.
      
The incidence and severity of frogeye leaf spot of soybean (Glycine max (L.) Merr.) was studied in agroecological region II of Zambia during the 1997/98 crop growing season.
      
Incidence and severity of frogeye leaf spot and associated yield losses in soybeans in agroecological zone II of Zambia
      
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8 crossing combinations from resistant parents with susceptible ones were studied. The results of the research indicated that the resis-tance to frogeye leaf spot of soybean (Cercospora sojina Hara) of all of the F1 appears to be dominant completely, the segregation ratio of the resistant to the susceptible of F2 equal 3:1, there were quite a few resistant lines among F3 from single resistant plant of F2 with segregation ratio of 2:1 of resistant segregat to resistant lines. All of the generation B1 from...

8 crossing combinations from resistant parents with susceptible ones were studied. The results of the research indicated that the resis-tance to frogeye leaf spot of soybean (Cercospora sojina Hara) of all of the F1 appears to be dominant completely, the segregation ratio of the resistant to the susceptible of F2 equal 3:1, there were quite a few resistant lines among F3 from single resistant plant of F2 with segregation ratio of 2:1 of resistant segregat to resistant lines. All of the generation B1 from back crossing of F2 with resistant parents are resistant while the generation B1 from back crossing of F2 with susceptible parents has segregation ratio of 3:1 of resistant to susceptible.Therefore, it can be sure that the resistibility to the disease is a simple heredity manipulated by a pair of dominant genes. And susceptibility to that is controlled by a pair of recessive genes.

本研究通过8个杂交组合F_1、F_2、F_3和B_1代的调查统计分析,研究大豆对灰斑病抗病性的遗传。结果表明:F_1代抗灰斑病为完全显性;F_2代抗病与感病按3:1比例分离;F_2代抗病单株后代(F_3代)即出现一定比例的抗病系。抗病性分离系与抗病系分离比例为2:1。F_1代以抗病亲本回交所产生的B_1代,均表现抗病;以感病亲本回交的B_1代,抗病与感病的分离比例为1:1。因此,大豆对灰斑病抗病性是由一对基因控制的简单遗传。

We have conducted breeding for resistant varieties to frogeye leaf spot of soybean. Since 1977, a number of disease-resistant, high yielding superior lines have been selected. Our experiences on breeding work showed that on the basis of correct selection and utilization for antigenes of frogeye leaf spot of soybean, the excellent results may be obtained by using both methods of one-time cross and simple improvement-backcross. Based on genetic theory'of resistance to frogeye leaf spot of soybean,...

We have conducted breeding for resistant varieties to frogeye leaf spot of soybean. Since 1977, a number of disease-resistant, high yielding superior lines have been selected. Our experiences on breeding work showed that on the basis of correct selection and utilization for antigenes of frogeye leaf spot of soybean, the excellent results may be obtained by using both methods of one-time cross and simple improvement-backcross. Based on genetic theory'of resistance to frogeye leaf spot of soybean, not only a great deal of breeding work can be greatly reduced by using different handling way among different generations, but also can get satisfactory results for handling progenies of soybean.

在合理选用抗源的基础上,采用一次杂交和简单回交改良的方法,进行抗灰斑病大豆育种均能获得良的效果。已选育出丰产抗病品系41个。以抗灰斑病遗传理论为指导,对不同世代材料采取不同的处理方法,可大大减轻选种的工作量,并收到满意的效果。

During last 15 years, soybean varieties cultivated in the Heilong-jiang state farm region have been renewed several times. The characteristics of soybean varieties in the region vary widely amony those years. General tendency: Early-maturity varieties of soybean have been in-cresaing; leaf became narrow; stem of soybean changed to be stiff: branches became upstanding, and more resistant to frogeye leaf spot of soybean (Cercospora Sojina hara). Renewed variations in the soybean varieties suited to the ecology...

During last 15 years, soybean varieties cultivated in the Heilong-jiang state farm region have been renewed several times. The characteristics of soybean varieties in the region vary widely amony those years. General tendency: Early-maturity varieties of soybean have been in-cresaing; leaf became narrow; stem of soybean changed to be stiff: branches became upstanding, and more resistant to frogeye leaf spot of soybean (Cercospora Sojina hara). Renewed variations in the soybean varieties suited to the ecology condition of state farm region, development of soybean cultivation technology, and meet the requirments of home and oversea markets for soybean with good quality.The present main problems: Hefeng 25 have been grown in some parts of the region where growing season is short; shortage of desease resistant soybean varieties; Shortage of early and high-yield soybean verieties in some low temperature area.

近十五年来,垦区大豆栽培品种几经更新,变化显著。其趋势为:早熟品种比例增大;叶形变尖,茎杆变强,株型收敛;抗灰斑病能力趋强。品种的更新变化,适应了垦区生态条件,大豆栽培技术发展,以及商品市场的需要。现存的主要问题是:合丰25号在部分地区越区越期种植;缺少抗病品种和能突破低温限制因素的早熟高产品种。

 
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