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mildew disease
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  霜霉病
     Conclusion ARIMA(2,2,0) model and AR(2)-EGARCH(0,2) model are suitable for the forecasting of middle stage and late stage of cucumber downy mildew disease. Exponential smoothing model, infectious disease-based autoregression model and principal component regression model can be used as a complementary to the above 2 models for the forecasting of early stage of cucumber downy mildew disease.
     结论:ARIMA(2,2,0)模型和AR(2)-EGARCH(0,2)模型适合于霜霉病的中期、后期预测,指数平滑模型、基于传染病模型的自回归模型、主成分回归分析模型作为前两者的补充,适于霜霉病的早期预测。
短句来源
     Methods Using the time series of cucumber downy mildew disease,to explore the forecasting method from the angle of methodology. The principal component regression model and autoregression conditional heteroskedastic process(ARCH)model were combined to set up AR(2)-EGARCH(0,2)model.
     方法采用黄瓜霜霉病病情指数时间序列从方法学的角度进行预测方法研究,将主成分回归模型和自回归条件异方差模型结合起来,建立AR(2)-EGARCH(0,2)模型。
短句来源
     The prediction model for the epidemiological rate of cucumber downy mildew disease in Guangzhou Region
     广州地区黄瓜霜霉病流行速率的预测模型
短句来源
     Methods Using the time series analysis of cucumber downy mildew disease, to explore the forecasting method from the angle of methodology.
     方法:采用黄瓜霜霉病病情指数时间序列从方法学的角度进行预测方法研究。
短句来源
     Reseach of the Epidemical System and the Prediction Technology for the Grape Downy Mildew Disease in the East of the Helan Mountain
     贺兰山东麓酿酒葡萄霜霉病流行规律及预测预报技术的研究
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  “mildew disease”译为未确定词的双语例句
     One octoploid 990256, four disomic addition lines E99006, E99009, E99010, E99015-8 and one substitution line E99018 resistant to powdery mildew were selected by identification of artificial induced powdery mildew disease.
     经白粉病人工接种鉴定,从中选出了一个抗白粉病的八倍体小偃麦990256,四个抗白粉病异附加系E99006、E99009、E99010、E99015-8、一个抗白粉病异代换系E99018。
短句来源
     Pm6 transferred from Triticum timopheevii L. to common wheat, is an effective resistance gene to powdery mildew disease caused by Erysiphe graminis f. sp.tritici.
     从提莫菲维小麦转移到普通小麦中的小麦白粉病抗性基因Pm6是小麦白粉病(Erysiphe graminis f sp. tritici)的有效抗性基因。
短句来源
     My8443,a wheat cultivars infecting seriously powdery mildew disease,was used as the female parent and Weiling rye was used as the donor of powdery mildew resistance in the study. A new wheat-rye translocation line,named No. 147,was developed from BC2F6 progenies of wheat cultivars My8443 and Weiling rye to transfer the resistance from Weiling rye to common wheat.The powdery mildew resistance of No.
     以Weiling rye作为白粉病抗源,高感白粉病小麦栽培品种My8443为母本,从Weiling rye与小麦My8443远缘杂交的BC_2F_6后代中鉴定出一个新的小麦-黑麦易位系No.147,以实现威岭黑麦白粉病抗性向普通栽培小麦的转移。
短句来源
     The purpose of the present study is to conduct molecular tagging of powdery mildew resistance genes Pm12 and Pm16, and the main results obtained are as follows:1) Genetic analysis of powdery mildew disease resistance at seedling stage confirmed that Pm12 was a single dominant gene.
     1.抗白粉病基因Pm12的分子标记建立:抗白粉病性遗传分析结果表明,来自拟斯卑尔脱山羊草的Pm12抗白粉病基因为显性单基因控制。
短句来源
     Vc3890A and Vcl482A showed a relatively high resistance to PM disease. Vc3543A was a moderate resistant material. The Powdery mildew disease was governed by a single dominant gene in 3 crosses.
     结果表明:UT1为白粉病高敏感品种,VC3528A和VC1560A为高抗品种,VC3890A和VC1482A为抗性品种,而VC3543A为中抗材料;
短句来源
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  相似匹配句对
     The Study on Alfalfa Powdery Mildew Disease
     苜蓿白粉病的研究
短句来源
     Genetics of Powdery Mildew Disease Resistance in Mungbean
     绿豆白粉病的遗传(英文)
短句来源
     DISEASE psychology
     尿出来的心理疾病
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     The Nipah Disease
     尼帕病
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  mildew disease
Br.) were evaluated for their resistance induced by somaclonal variation for downy mildew disease caused by Sclerospora graminicola (Sacc.) Schroter.
      
The influence of different levels of nitrogen on the incidence of downy mildew disease of pearl millet on different varieties was studied under field conditions.
      
Influence of nitrogen on the incidence of downy mildew disease of pearl millet (Pennisetum typhoides Stapf >amp; Hubb.)
      
Bremia lactucae Regel (Chromista, Peronosporaceae) is an economically destructive pathogen, which causes downy mildew disease on lettuce (Lactuca sativa L.) worldwide.
      
Co-segregation analysis using 102 segregatingF2 progenies confirmed that both markers were linked to the Rpmxgene controlling downy mildew disease resistance with a genetic distance of4.9 cm and 23.1 cm, respectively.
      
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It was confirmed in the paper that earliness was genetically apartially or completely dominant character in F_1 or F_2 generation, and correlated significantly with average of the ear emergence dates of biparents·In F_2 generation the earing dates in each of the most crosses exhibited a partial distribution to earliness while in one cross there did appear predominance of late-earing plants·Average dominance of earliness over lateness decreased due to selfing, hence, average of the earing dates in F_2 was more...

It was confirmed in the paper that earliness was genetically apartially or completely dominant character in F_1 or F_2 generation, and correlated significantly with average of the ear emergence dates of biparents·In F_2 generation the earing dates in each of the most crosses exhibited a partial distribution to earliness while in one cross there did appear predominance of late-earing plants·Average dominance of earliness over lateness decreased due to selfing, hence, average of the earing dates in F_2 was more closely related to that of biparents·Early maturity was not significantly associated with plant height, but with less winter hardness, small kernels and less resistance to stripe rust, leaf rust and mildew diseases, which would pose much difficulty to selection·Nevertheless, there still existed some early maturity gernoplasm with winter hardness, big kernels or resistance to those diseases mentioned above, which would make it possible to combine these good characters into one genotype in wheat breeding programmes.

F_1和F_2抽穗期一般表现负向部分显性或完全显性,且同双亲抽穗期高度相关(0.8935,0.9477)。F_2抽穗期多为偏态分布(偏早分布),也有晚熟个体比例高的组合。由于自交,F_2抽穗期的平均显性度下降,因而同双亲抽穗期相关更密切。早熟性同株高无关,而同冻害、感病性和粒重有关,但都有可供选择的类型。通过选择、培育,有可能把早熟同年矮杆、耐寒、抗病和丰产等性状结合起来。

A new F_1 hybrid autumn-winter radish cultivar Ning Hong bred from Shen, Yuan A×Chuan Xin Hong -23 was developed with siignificantly high yielding potential in 1983. It has the following promising characteristics:(1)High yielding potential with 2000~5000kg/mu, 24%~83.6% higher than that of the check cultivar.(2)Excellent quality: Flesh firm, sweet, and without hot taste, and nutrients higher than those of the check cultivar.(3)Best commercial requirements: Tap root wide-cylindric in shape, red in colour, with...

A new F_1 hybrid autumn-winter radish cultivar Ning Hong bred from Shen, Yuan A×Chuan Xin Hong -23 was developed with siignificantly high yielding potential in 1983. It has the following promising characteristics:(1)High yielding potential with 2000~5000kg/mu, 24%~83.6% higher than that of the check cultivar.(2)Excellent quality: Flesh firm, sweet, and without hot taste, and nutrients higher than those of the check cultivar.(3)Best commercial requirements: Tap root wide-cylindric in shape, red in colour, with an average weight of about 1 kg.(4)Rapid growth: Harvesting 50 days after sowing.(5)Long storage period, From November to March of the next year.(6)Highly resistant to virus and downy mildew diseases.(7)Easy seed production, Cytoplasmic male sterile line could be used effectively to produce seeds at low cost.

依据生产需要,1983年选育出沈圆A×穿心红-23综合经济性状优良的秋冬萝卜一代杂种,定名为宁红萝卜。其特点:(1)丰产:亩产达2000~5000kg,比对照增产24%~83.6%;(2)优质:肉质根致密、味甜不辣,营养成分均高于对照品种;(3)商品性好:肉质根红皮、粗圆筒形,单根重1kg左右;(4)生长快:秋播后50天左右即可按市场需求收获上市;(5)耐贮藏:11月下旬采收,可贮藏到翌年2~3月蔬菜春缺时上市;(6)抗病:比对照品种抗毒素病与霜霉病;(7)制种简易:利用胞质雄性不育系制种简便,成本低,种子质量高。

The resistance of Holdfast/King II Wheat-rye chromosome addition line to powder mildew disease and the alteration of isozymogram after inoculation with pathogens in these lines have been studied. The rye chromosomes could express different resistance in wheat background: genomes 2R and 6R expressed strong resistance, 1RS expressed weak resistance, and other genomes showed susceptibility in which 5RL exhibited the most susceptible reaction to the disease. Several new bands of isoperoxidase were produced...

The resistance of Holdfast/King II Wheat-rye chromosome addition line to powder mildew disease and the alteration of isozymogram after inoculation with pathogens in these lines have been studied. The rye chromosomes could express different resistance in wheat background: genomes 2R and 6R expressed strong resistance, 1RS expressed weak resistance, and other genomes showed susceptibility in which 5RL exhibited the most susceptible reaction to the disease. Several new bands of isoperoxidase were produced by both resistant and susceptible lines after inoculation with pathogens. These observations suggest that rye can be used as breeding resources to improve wheat resistance to powder mildew disease.

以Holdfast/King Ⅱ小麦-黑麦添加系为材料,进行了抗白粉病的研究和同工酶分析,结果表明,所添加的黑麦染色体组对白粉病的抗性存在着明显的差异。2R、6R系列比IRS的抗性更强,5RL最感,其它染色体组的感病程度也不相同;对白粉病的抗、感表现与同工酶之间有一定的关系;接种白粉病菌后普遍出现pox新酶带,为发现黑麦可利用的抗白粉病新基因及其酶学基因定位作了有益的探讨。

 
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