开伯尔-普赫图赫瓦（KP）-巴基斯坦南部玉米的分布和玉米产量损失的估计

IF 1 Q3 PLANT SCIENCES

Archives of Phytopathology and Plant Protection Pub Date : 2022-11-26 DOI:10.1080/03235408.2022.2158513

Saeed Ullah, S. Hussain, A. Nadeem, A. Fareed

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引用次数: 0

摘要

摘要Maydis叶枯病是巴基斯坦开伯尔-普赫图赫瓦省玉米的一种重要病害。了解疾病在一个地区的分布模式有助于采取适当的疾病管理策略。因此，2020年在该省南部地区对该疾病进行了广泛的调查。每个区的四个工会委员会和每个工会委员会的五个领域以“X”形模式进行评估。发病率最高的是Bannu区（78.05%），而最低的是Tank区（39.84%）。同样，Bannu区和Kohat区的分离株表现出比其他分离株更大的菌落直径和孢子大小。产量损失也根据可达到的产量和实际产量进行评估。品种Azam（229.7）的病发曲线下面积（AUDPC）最高。回归分析表明，AUDPC值每增加一个单位（1%），产量损失增加7.6%。

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Distribution of Bipolaris maydis in southern Khyber Pakhtunkhwa (KP) – Pakistan and estimation of yield losses in maize crop

Abstract Maydis leaf blight, is an important disease of maize in Khyber Pakhtunkhwa (KP) – Pakistan. Knowledge about distribution pattern of a disease in an area is helpful for adoption of appropriate disease management strategy. Therefore, an extensive survey of the disease was conducted in southern districts of the province in 2020. Four union council in each district and five fields per union council were assessed in “X” shaped pattern. The highest disease incidence was found in district Bannu (78.05%) while least was detected in district Tank (39.84%). Similarly, the isolates of Bannu and Kohat districts exhibited larger colony diameter and spore size than other isolates. Yield losses were also assessed based on attainable and actual yield. The highest value of area under disease progress curve (AUDPC) was observed for cultivar Azam (229.7). Regression analysis indicated that a unit (1%) increase in AUDPC value increased yield loss by 7.6%.

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来源期刊

Archives of Phytopathology and Plant Protection Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.20

自引率

0.00%

发文量

100

期刊介绍： Archives of Phytopathology and Plant Protection publishes original papers and reviews covering all scientific aspects of modern plant protection. Subjects include phytopathological virology, bacteriology, mycology, herbal studies and applied nematology and entomology as well as strategies and tactics of protecting crop plants and stocks of crop products against diseases. The journal provides a permanent forum for discussion of questions relating to the influence of plant protection measures on soil, water and air quality and on the fauna and flora, as well as to their interdependence in ecosystems of cultivated and neighbouring areas.