论文部分内容阅读
鲁玉2号对玉米大斑病病斑反应型,由高抗 R 型退绿斑到出现高感 S 型萎蔫斑,是由于玉米大斑病菌生理小种2号所致。
鲁玉2号对玉米大斑病抗性退化原因的研究
【摘 要】
：
鲁玉2号对玉米大斑病病斑反应型,由高抗 R 型退绿斑到出现高感 S 型萎蔫斑,是由于玉米大斑病菌生理小种2号所致。
【机 构】
：
烟台市果树科学研究所,烟台市果树科学研究所,荣城市种子站
【出 处】
：
山东农业科学
【发表日期】
：
1992年5期
其他文献
Squaliobarbus curriculus is a eurythermic fish found mainly in East Asia.The natural germplasm resources of this species,an organism of potential economic aquac
由印尼结构工程师协会主办的第五届钢结构国际会议,将在1994年12月12日在雅加达举行,澳、英、新加坡等国结构协会和日本钢材俱乐部为大会组委。会议主题为“钢材优势”(The S
中国钢结构协会与日本钢结构协会于1991年3月签定了“关于技术交流的协议”。在此之前已进行多次双方互访和技术交流,本次中国钢结构协会正式组团访问交流是第三次,这次访日
The Roles of Information and Communication Technologies (ICTs) and E-Commerce as Agents of Nigeria’s
Electronic commerce which denotes the process of electronic transaction via internet has led to a very significant improvement in the level of growth, developme
Integrated site-specific quantification of faecal bacteria and detection of DNA markers in faecal co
本文对带订初弯曲的柱子弹-塑性流固砰击屈曲与屈后性能进行了试验研究,根据初弯曲柱子试验的响应规律,提出了动力屈曲临界准则,动力塑性临界准则和塑性失效临界准则,并确定
Simulation Evaluation of Filtering Method for Improving Pedestrian Positioning Accuracy Using Signal
In recent years, we have been able to use various services using the position information of smartphones and tablets. In addition, research on intelligent trans
In the past extensive research has been carried out, to study the effect of Gurney flap (GF) on symmetric and cambered airfoil for its usage in low Reynolds num
As one of the most serious natural disasters,many typhoons affect southeastern China every year.Taking Shenzhen,a coastal city in southeast China as an example,