Seed Pathology in Modern Agriculture

Seed Pathology in Modern Agriculture
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Seed Pathology in Modern Agriculture

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Publisher: Agrobios Publications
ISBN: 9788177544879
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Preface To make agriculture profitable, efforts have been continuously made to precise various steps of production technology like cultivation of soil, soil test based fertilizer application, careful use of micronutrients, proper date of planting which may favour the host and not the biotic harmful factors, timely irrigation, removal of weed crop plants, plant protection measures to check recurrence of plant pathogens, insect- pests, further spread of such pathogenic organisms, harvesting, processing and storage of seeds. The detection techniques have already entered in the molecular level with most sensitive and precise degree of research equipments and methodology being undertaken throughout the globe. Since the human has understood the crop husbandry, the seed was considered as the basic vital input for sustaining the better yield. Significance of seed has assumed a vital role in the new era of free flowing world trade across the geographical boundaries. Seed health and certification has gained the momentum for quality assurance. Standards for certification have been worked out and are being applied through legislation for maintaining the desired quality. Freedom from associated microorganisms has always been a priority area for modern agriculture. The book Seed Pathology in Modern Agriculture contains 44 chapters, 15 of which deal with the basic aspects covering the role of microorganisms associated with seeds in agriculture and welfare of human society as some plant pathogens also exhibit the hazardous effects on human and animals. Seed health testing procedures and standards for associated fungi, bacteria, viruses and nematodes have been discussed. Seed to plant and plant to seed transmission of associated a pathogens and their mechanism of infection have also been discussed with suitable examples in view of further spread, introduction, recurrence and spread in newer areas. Factors affecting the safe storage and influence on seed associated microorganisms have been considered. Certain crop seeds have inbuilt capacity of inhibiting the entry of pathogens as they are rich in substances like phenols. They are contained in seed exudations. The information on seed exudations is certainly helpful in crop improvement programme. Information has been presented for
transmission of seed associated pathogens and their effective management. Remaining 29 chapters deal with important seedborne diseases of major crops that include the nature of the pathogen, symptoms, role in recurrence and management. It is hoped that the book will be of great use for students, research workers, extension personnel and the people working with seed. Date 25 December 2012 Place Jabalpur Mahendra Nath Khare Mohan S. Bhale
Contents 1. Significance of Seedborne Microorganisms in
Agriculture, Animal Husbandry and Human Welfare.......... 1 Introduction ............................................................................................... 1