Pear scab

Control Effects of 20 % Difenoconazole Microemulsion on Pear Scab in Field

20%苯醚甲环唑微乳剂防治梨黑星病田间药效试验

Development of a computer program for Pear Scab Epidemic Simulation Model

梨黑星病流行动态模拟模型程序设计

Studies on Pear Scab and its control

梨树黑星病的发病及防治研究

Studies on inheritance of resistance to the pear scab fungus

梨抗黑星病的遗传育种研究

Studies on pathogen and biological characters of pear scab

梨黑星病病原及生物学特性的研究

Fungicidal Control of Pear Scab in the Field

防治梨黑星病田间药效试验

Chemical Control of Pear Scab

梨黑星病药剂防治研究

Advances in Research on Pear Scab

梨黑星病研究进展

Research on the Incidental Pattern of Pear Scab and Its Prevention and Cure in Gu'an County , Hebei Province

河北省固安县梨黑星病发病规律及其防治

Pear scab is one of the main diseases on pear , but also the widespread occurrence of disease on the world .

梨黑星病（pearscab）又名疮痂病，是梨树主要病害之一，也是广泛发生的世界性病害之一。

Results of this study would be helpful to control pear scab and to utilize the special germplasm resource resistant to pear scab .

本文研究的结果为梨黑星病的综合治理及抗性特异种质资源的开发利用提供了理论依据。

So the prevention against pear scab is the most important among all diseases , and accurate forecasting is the foundation to take valid prevention .

因此，梨黑星病防治就成为砀山酥梨病害防治的重中之重，而对其准确预测预报是进行有效防治的基础与前提。

Studies on the preserved pear scab inocula

梨黑星菌接种体保存的研究

The quality is excellent . It fruits early , the yield of 7 year-old trees is about 42.5t/hm 2.It is resistant to pear scab .

早果高产，7年生树产量为42.5t/hm2。高抗黑星病。

Pear scab was controlled to a certain degree , though regularity of occurrence in orchard with normal disease prevention was similar to the orchard as a control in the experiment . 4 .

正常进行病害防治的对照梨园黑星病发生与流行呈现相近的发生规律，但黑星病得到了一定程度的控制。

Though continues survey for 4 years on major pear-producing areas of Shaanxi province , which includes 50 counties belonged to 5 cities , we have a clear understanding on pear scab for the disease distribution and incidence .

通过连续4年对陕西省梨主产区5市区，50县区梨园全面普查，对该病在陕西的发生分布范围和发生情况有了比较明确的了解。

STUDIES ON THE RELATION BETWEEN METABOLISM OF PHENOLIC SUBSTANCE AND RESISTANCE OF PEAR TO SCAB 1.The Relation Between the Content of Total of Phenols OD Phenol and Resistance of Pear to Scab

梨酚类代谢与抗黑星病关系的研究&Ⅰ.总酚及OD酚与抗黑星病的关系

Studies on the Resistance of Pear Breeds to Pear Scab

梨品种对黑星病的抗性研究

Over the years , Xinyi City , pear production has been affected by pear scab and the majority of growers suffered greater losses for this .

多年来，新沂市梨生产一直受黑星病影响，广大果农为此遭受较大损失。