نتایج جستجو برای: podosphaera

تعداد نتایج: 368  

Journal: : 2022

In October 2022, common Asian cowpea (<i>Vigna nakashimae</i>) powdery mildew disease was investigated at Yesan-gun, Chungcheongnam-do, Korea (36°40’12.7"N,126°51’36.4"E). The mainly occurred on the front of leaves, and weak back side leaf. chasmothecia identified Analysis internal transcribed spacer rDNA sequence 28S large subunit sequence, along with morphological characteristics ...

ژورنال: :بیماریهای گیاهی 2012
اعظم سیروس عبدالحسین جمالی زواره علی اکبر فدایی تهرانی

استفاده از ترکیبات طبیعی گیاهان برای کنترل بیماری ها، به دلیل مزایایی که بر ترکیبات شیمیایی سنتزی دارند، مورد توجه و تحقیق قرار گرفته است. در این پژوهش تأثیر پنج عصاره گیاهی شامل عصاره برگ اسفناج، چغندر، ترب، شلغم و فلفل در پیشگیری و درمان بیماری سفیدک پودری خیار در آزمایشات گلخانه ای بررسی شده است. بدین منظور عصاره آبی، استونی یا متانولی هر گیاه با غلظت های 1% و 5%، یک روز قبل یا یک روز بعد از...

2015
Amy Y. Rossman Gerard C. Adams Paul F. Cannon Lisa A. Castlebury Pedro W. Crous Marieka Gryzenhout Walter M. Jaklitsch Luis C. Mejia Dmitar Stoykov Dhanushka Udayanga Hermann Voglmayr Donald M. Walker

In advancing to one name for fungi, this paper treats generic names competing for use in the order Diaporthales (Ascomycota, Sordariomycetes) and makes a recommendation for the use or protection of one generic name among synonymous names that may be either sexually or asexually typified. A table is presented that summarizes these recommendations. Among the genera most commonly encountered in th...

Journal: :The Medical journal of Malaysia 1996
K C Shekhar S Prathapa K Gurpreet

Giardiasis, a gastrointestinal disease caused by Giardia intestinalis is endemic in Malaysia. The prevalence rate has been reported to range from 1.4% to 11.1%. The present study was undertaken between 1992-1994 in three health districts in three states viz. Pahang, Negeri Sembilan and Selangor. Seven thousand five hundred and fifty seven (7557) primary school children between the ages of 6-12 ...

Journal: :The Medical journal of Malaysia 1997
S Sararaks R Jamaluddin

A cross sectional study was carried out in Negeri Sembilan to identify factors associated with job satisfaction of doctors serving in Ministry of Health and their intentions to resign. All Ministry of Health doctors currently working in Negeri Sembilan were included in the study and data collection was done via a self-administered postal questionnaire. The response rate was 69.4%. Out of those ...

2017
Mary J Marret Wan Yuen Choo

OBJECTIVE To determine the prevalence of online interpersonal victimisation and its association with patterns of social networking site (SNS) use, offline victimisation, offline perpetration and parental conflict among Malaysian adolescents using SNS. METHODS A cross-sectional study of students from randomly selected public secondary schools in the state of Negeri Sembilan was conducted using...

Journal: :Ecology letters 2008
Anna-Liisa Laine

There have been numerous investigations of parasite local adaptation, a phenomenon important from the perspectives of both basic and applied evolutionary ecology. Recent work has demonstrated that temperature has striking effects on parasite performance by mediating trade-offs in parasite life history and through genotype x environment interactions. To test whether parasite local adaptation is ...

Journal: :Journal of evolutionary biology 2005
A-L Laine

The rate and scale of gene flow can strongly affect patterns of local adaptation in host-parasite interactions. I used data on regional pathogen occurrence to infer the scale of pathogen dispersal and to identify pathogen metapopulations in the interaction between Plantago lanceolata and its specialist phytopathogen, Podosphaera plantaginis. Frequent extinctions and colonizations were recorded ...

ژورنال: :گیاه پزشکی 0

استفاده از ترکیبات طبیعی گیاهان برای کنترل بیماری ها، بدلیل مزایایی که بر ترکیبات شیمیایی سنتزی دارند، مورد توجه و تحقیق قرار گرفته است. در این پژوهش، تأثیر عصاره برگ گیاهان کلم، تربچه و کرفس در پیشگیری و درمان بیماری سفیدک پودری خیار، در آزمایشات گلخانه ای بررسی شده است. بدین منظور عصاره آبی، استونی و یا متانولی این گیاهان با غلظت های 1% و 5%، یک روز قبل و یا یک روز بعد از تلقیح بیمارگر روی بو...

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