spot blight

From 1992 to 1994, the auther had made systematic observations, investigations and experiments on spot Blight of watercress.

1992年～1994年，笔者对水芹斑枯病进行了系统观测、调查及试验，结果表明：病菌以菌丝体在种株或病残体上越冬。

Study on Harmless Control Technology of Gentian Spot Blight

人工规范化种植龙胆斑枯病的无公害防治技术

Preliminary researches on spot blight of watercress agricultural department

水芹斑枯病的初步研究

In our country, the most serious strawberry diseases are Gray Mold, Powdery Mildew, Leaf Spot ( snake eye), Fusarium Wilt, Bud Blight, Root Rot, and so on.

我国为害草莓较严重病害有草莓灰霉病、白粉病、叶斑病（蛇眼病）、枯萎病、芽枯病，根腐病等。

Rough gentian leaf blight was caused by Septoria gentianae. Study on occurring rule and controlling techniques of spot blight of Gentiana

龙胆草斑枯病是近几年生产上发生的一种毁灭性病害。龙胆草斑枯病发病规律及防治技术研究

Study on occurring rule and controlling techniques of spot blight of Gentiana

龙胆草斑枯病发病规律及防治技术研究

Studies on the Biological Specialization of the Toxin Producing by Brown Spot Needle Blight Fungus

松针褐斑病菌毒素的专化性研究

In recent years, Gentiana spot blight is the most important disease of Chinese herbal medicines gentian.

龙胆草斑枯病是近几年中药材龙胆草的最主要病害.