نتایج جستجو برای: pests and diseases problems

تعداد نتایج: 16930741  

Journal: :avicenna journal of dental research 0
p torkzaban associate professor , member of dental research center , dep t . of p e riodont ics , dental faculty, hamadanسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) mr khandan assistant professor, dept. of periodontics, dental faculty, kermanshah university of medical sciences, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences) v mohammadi dental student, dental faculty, hamadan university of medical sciences, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

statement of the problem some studies reveal that the oral cavity acts as a potential reservoir for h. pylori or a possible route of transmission. the aim of this study was to evaluate the association between advanced periodontal diseases and gastrointestinal problems and the effect of oral hygiene on this relationship. materials and methods this descriptive cross-sectional study was carried ou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

the caspian sea contains great resources of oil and gas. the caspian sea is a 700- mile- long body of water in central asia, land located between azerbaijan, iran, kazakhstan, russia and turkmenistan. iran was challenges and opportunities in the caspian region. key question in this thesis includes three section that first question, opportunities of iran in the caspian region, second question ch...

2017
Ok-Kyung Kim Tadashi Ishikawa Yoshihiro Yamada Takuma Sato Hirosuke Shinohara Ken Takahata

BACKGROUND The solanaceous fruit crop pepino (Solanum muricatum Ait.), originating in the Andes, is grown commercially in South American countries and New Zealand. In these areas, pests and diseases of pepino have been identified well; however, to date, these have seldom been investigated in detail in Japan. Herein, we attempt to reconstruct an agricultural production system for commercial pepi...

Journal: :journal of agricultural science and technology 2016
a. dogan f. erler m. erkan a. ates h. sule sabanci

a fundamental shift to a total system approach for crop management in greenhouses is urgently needed to resolve escalating economic and environmental consequences of long-lasting undesired effects of synthetic pesticides used in combating agricultural pests. the aim of this study was to examine a potential new approach i.e. microbial-based production system (mps) for greenhouse-grown peppers. f...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

the aim of this study was to identify the problems of translating markedness structures from english to persian in order to look closely at what possible difficulties translators may face. it also seeks to probe the strategies applied accordingly by iranian translators in translating them. from three translation of blindness novel, the sentences with marked structures were elicited and also the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان 1389

implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...

2010
Rogelio Santiago Rosa A. Malvar

Phenolic esters have attracted considerable interest due to the potential they offer for peroxidase catalysed cross-linking of cell wall polysaccharides. Particularly, feruloyl residues undergo radical coupling reactions that result in cross-linking (intra-/intermolecular) between polysaccharides, between polysaccharides and lignin and, between polysaccharides and proteins. This review addresse...

2014

E e r g r e e n s have long been considered relatively free of insect and disease problems as compared with shade and ornamental trees and shrubs. Low maintenance costs in the nursery as well as in the permanent planting site have provided a positive stimulus leading to the extensive, and at times overenthusiastic, use of evergreen varieties in l a n d s c a p e p l a n t i n g s . Intensive cu...

2007
J. R. Plimmer

Agricultural production relies heavily on manmade chemicals used as fertilizers and pesticides, and to regulate plant growth. Pesticides are released intentionally into the environment to control insects, weeds, plant diseases and other pests that affect crop or animal production, as well as to control insects that spread human diseases. Pesticides have a well-established role in agriculture an...

Journal: :IOP conference series 2022

Abstract Pests and diseases are significant factors that affecting global rice production. There is a need pests have continuously been controlled, in order to solve the pest disease problem. The aim of this study was observe population dynamics infestation lowland field during different cropping seasons. data Pati District, Central Java Province, Indonesia Rainy Season (RS) 2018/2019, Dry (DS)...

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