查询词典 head blight

In this experiment the validity of SSR markers Xbarc 133, Xgwm 493, Xgwm 533a and their combinations in the molecular marker assisted selection in Fusarium head blight resistance breeding in wheat was studied.

本研究探讨了与小麦抗赤霉病QTL紧密连锁的SSR标记Xbarc 133、Xgwm 493、Xgwm 533a在育种早代材料中辅助选择的有效性。

It is suggested that the combination of SSR markers Xbarc 133, Xgwm 493, Xgwm 533a be used in the Fusarium head blight resistance breeding in wheat.

建议小麦的抗赤霉病分子标记辅助育种选用Xbarc 133、Xgwm 493、Xgwm 533a三标记一起进行筛选。

Plantain head blight ; Fusicoccum sp.; biological characteristics ; inducing sporogenesis

车前草穗枯病；车前草穂枯病菌；生物学特性；人工诱导产孢

Deoxynivalenol is a type of harmful mycotoxin produced by Fusarium graminearum Schwabe teleomorph Gibberella zeae (Schwein Petch when fusarium head blight is epidemic in wheat. DON contamination in harvested grain can significantly lower market grade, and result in significant discount in price to the farmers.

脱氧雪腐镰刀菌烯醇(Deoxynivalenol， DON)是小麦遭受赤霉病危害后由赤霉病菌－禾谷镰刀菌产生的一种真菌毒素，这种毒素对人类和家畜的健康产生危害，严重地影响小麦的利用价值。

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。

This paper reviewed the background to control wheat head blight, screening and control assessment of bio-control strains.

本文从小麦赤霉病的生物防治背景、小麦抗赤霉病生物防治菌株的分离筛选与防效评价、生物防治机制和存在的问题及发展前景等方面进行了综述。

The results demonstrated that two fungcides may be substitutes for controlling Fusarium head blight of wheat.

说明这2种药剂可以作为防治小麦赤霉病的替代品种。

As F.graminearum is one of the most important pathogens of wheat head blight in China, 19 strains from cereals were selected for phylogenetic study.

谱系2是我国首次报道的进化群，这一发现完成了谱系2在世界上从南美经尼泊尔向我国传播，进而进入韩国的这样一条传播路径。

In order to verify the efficiency of DONtest-HPLC in breeding wheat with low DON, and to reveal the variation of DON content in wheat,8 cultivars with different resisance to fusarium head blight were used for analysis when fusarium head blight epidemic severely occurred in the middle and lower stretches of Yangtze River in 2003. The results indicated that DONtest-HPLC was a kind of quick and accurate method in detection of DON content with a recovery rate 78.2%in average.

以2003年长江中下游地区赤霉病大流行后收获的8个不同抗、感赤霉病小麦为材料，探讨DONtest-HPLC在低毒素小麦选育中的利用价值，并揭示不同抗性小麦脱氧雪腐镰刀菌烯醇含量的差异特点。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。