查询词典 wheat scab

Fusarium head blight or wheat scab, caused by Fusarium graminearum teleomorph Gibberella zeae (Schew Petch, has been the most important disease of wheat, barley and corn in China.

小麦赤霉病是影响我国南方麦区、东北春麦区以及黄淮流域麦区的重要病害，可由多种镰刀菌引起，但主要致病种是禾谷镰刀菌Fusarium graminearum，通称为赤霉菌。

Fusarium head blight or wheat scab, caused by Fusarium graminearwn Teleomorph Gibberella zeae (Schew Petch, has been the most important disease of the southern winter wheat and northeastern spring wheat planting areas in China.

小麦赤霉病是影响我国南方麦区、东北春麦区、黄淮流域麦区以及北美小麦产区的重要病害。

Head blight of wheat/wheat scab epidemic factor index bearing the pathogenic fungi spring wheat

宁夏农学院学报，，编辑部邮箱 1993年 03期小麦赤霉病；流行因素；带菌指数；春小麦

With conventional PCR primer pair XBFF/R,the same 352bp bands appeared by amplifying all the DNA samples from the eight races,and no bands appeared by amplifying all the DNA samples from the 9 plant pathogen species(Cucumber powdery mildew,wheat yellow rust,wheat leaf rust,wheat stem rust,wheat scab,wheat sheath blight,wheat loose smut,maize sheath blight and maize head smut)and control.

3用常规PCR和实时荧光PCR两种方法对温室接种的小麦白粉病进行了检测，并在时间上与自然显症的观察进行了比较，结果表明：在温室条件下，小麦白粉病菌在接种后第5d时开始出现小麦白粉病病斑，而利用常规PCR引物XBFF/R可在接种第3d检测到小麦白粉病菌，比自然显症观察能够提前了2d检测到白粉病菌；实时荧光PCR法可在接种后1d即能检测到小麦白粉病菌，比自然显症观察能够提前了4d检测到白粉病菌，这可为白粉菌的预测或预警检测提供依据，更可为白粉病在流行前制定防治决策赢得宝贵时间。4。

By statistically analyzing meteorological factors affecting wheat scab outbreak, the pathogenic-day of scab was determined. The daily inducing correction index of scab in outbreak time and the duration inducing correction index of scab pathogenic-day were calculated.

方法对小麦赤霉病发生具有影响的气象因子进行统计分析，确定赤霉病致病日，计算赤霉病感病期间逐日诱发修正系数、赤霉病致病日的持续时间诱发修正系数，建立促病指数模型，判别小麦赤霉病气象条件适宜程度及发生的等级。

At last,PCR detection techniques to another three important diseases(wheat sheath blight,wheat loose smut and wheat scab) were studied.

此外，还研究了针对另三种重要小麦病害(纹枯病、散黑穗病和赤霉病)的PCR检测技术。

In recent years, wheat scab at each wheat planting region of Qinghai all have occurrence of different degrees and which has become one significant disease of Qinghai spring wheat production.

近年来，小麦赤霉病在青海各春小麦种植区均有不同程度的发生，已成为青海春小麦生产上重要病害之一。

China has a vast territory, wheat cultivation in the region covered with different eco-climatic zones, wheat production is faced with a variety of disaster risk, including the occurrence of the prevention and control of wheat scab is an important high-quality high-yield component.

我国幅员辽阔，小麦种植区域覆盖着不同生态气候区，小麦生产面临着多种灾害风险，其中小麦赤霉病的发生防控是优质高产的重要组成部分。

Breeding wheat cultivars with low deoxynivalenol content is an effective approach to control the toxin contamination in wheat grains caused by wheat scab. In this paper, two methods for the determination of DON content in wheat grains, DON test-HPLC and GC-MS, were compared.

为选育赤霉病毒素含量低的小麦品种，减轻赤霉病危害，在比较了免疫亲和柱液相色谱法(DON test-HPLC)和气质联用法测定小麦中毒素含量的特点的基础上，利用两种方法对自然发病和赤霉病菌人工接种的小麦籽粒DON含量进行测定。

As a result of the joint test experiment conducted by the Wheat Scab Disease Research Cooperation Team in China of 1981, 13 wheat strains bred in our college were considered to be the most prospective among 30,000 wheat germplasm collections.

本文概述了60085等13个小麦抗赤霉病新品系的选育经过、鉴定结果及其利用价值。这些新品系于1981年经全国小麦赤霉病研究协作组联合鉴定，在3万多份品种资源材料中抗病性表现突出。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。