نتایج جستجو برای: plant disease

تعداد نتایج: 1853994  

2002

The Plant Diagnostic Lab at Auburn University receives plant problem/disease samples for diagnosis and soil samples for nematode analysis from all sections of the state. The Plant Diagnostic Lab at Birmingham receives predominantly horticultural samples for disease/problem diagnosis from Jefferson County and adjoining counties. Records from both labs are often used to document plant disease occ...

2017
EVa TUBA

Plant diseases have become an important issue because they cause important reduction in each quality and amount of agricultural products. Automatic detection of plant diseases is an important analysis topic because it could significantly help in observation giant fields, and enable automatic detection the symptoms of diseases as soon as they appear on the plant leaves. In this paper an algorith...

2011
Morgan W.B. Kirzinger Geetanchaly Nadarasah John Stavrinides

Plant and human pathogens have evolved disease factors to successfully exploit their respective hosts. Phytopathogens utilize specific determinants that help to breach reinforced cell walls and manipulate plant physiology to facilitate the disease process, while human pathogens use determinants for exploiting mammalian physiology and overcoming highly developed adaptive immune responses. Emergi...

بخشی خانیکی, غلامرضا, خاوری خراسانی, سعید, وزیری, ونوس,

 Aim and Background. Since chemical control of corn common smut disease to be unsuccessful (that its agent is Ustilago maydis), screening of resistance hybrids to smut disease is necessary for maize breeding.  Materials and Methods. In this study, 89 single crosses hybrids including 60 single crosses derived from hybridization of 20 S6 inbred lines as female parents and 3 S6 commercial elit tes...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران 1379

در این رساله به ارزیابی عملکرد سیستمهای کنترل دیجیتالˆسیستمهای کنترل با نمونه برداری (sampled-data) پرداخته خواهد شد. بطور خاص ، روش pim (نگاشت سیستم ورودی یا plant input mapping) که تکنیکی جدید در طراحی کنترل کننده های دیجیتال با استفاده از طراحی بعمل آمده در زمان پیوسته است ، مورد بررسی دقیق قرار می گیرد. روش نامبرده دارای خاصیت استقنایی پایداری تضمین شده برای کلیه پریودهای نمونه برداری غیرمع...

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