This book introduces the nature, causes and impact of plant diseases. It briefly describes the history of plant pathology as a scientific discipline and introduces the disease cycle as the key tool for understanding disease development and devising appropriate management strategies. It addresses the mechanisms of pathogenicity and immunity. It explores the biology of the interactions between plants and plant pathogens from the cellular level to the population level, with the chapter addressing epidemiology. The book then concerns the approaches we can take to alleviate the effects of plant pathogens. Print edition not for sale in India.
This book provides information about the major diseases of horticultural crops in India. It discusses the pest, disease, and nematode issues affecting essential vegetable crops in the country. The management of pests in vegetable crops has been addressed through many methods, including regulatory, physical, cultural, chemical, and biological approaches, host resistance, and integrated pest management strategies. The subject matter of the book is helpful for farmers who cultivate vegetable crops and is a valuable reference point for policymakers, researchers, extension workers, and students. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan and Bhutan)
This book provides information about the major diseases of horticultural crops in India and discusses the significant pest, disease, and nematode issues affecting essential fruit crops in the country. It also addresses the management of pests in vegetable crops through several methods such as regulatory, physical, cultural, chemical, and biological approaches, host resistance, and integrated pest management strategies. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan and Bhutan)
This book provides information about the major diseases of horticultural crops in India and discusses the significant pest, disease, and nematode issues affecting essential fruit crops in the country. It also addresses the management of pests in vegetable crops through several methods such as regulatory, physical, cultural, chemical, and biological approaches, host resistance, and integrated pest management strategies. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan and Bhutan)
This book introduces the nature, causes and impact of plant diseases. It briefly describes the history of plant pathology as a scientific discipline and introduces the disease cycle as the key tool for understanding disease development and devising appropriate management strategies. It addresses the mechanisms of pathogenicity and immunity. It explores the biology of the interactions between plants and plant pathogens from the cellular level to the population level, with the chapter addressing epidemiology. The book then concerns the approaches we can take to alleviate the effects of plant pathogens. Print edition not for sale in India.
This book provides information about the major diseases of horticultural crops in India. It discusses the pest, disease, and nematode issues affecting essential vegetable crops in the country. The management of pests in vegetable crops has been addressed through many methods, including regulatory, physical, cultural, chemical, and biological approaches, host resistance, and integrated pest management strategies. The subject matter of the book is helpful for farmers who cultivate vegetable crops and is a valuable reference point for policymakers, researchers, extension workers, and students. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan and Bhutan)
PREFACE. THE Author of this very practical treatise on Scotch Loch - Fishing desires clearly that it may be of use to all who had it. He does not pretend to have written anything new, but to have attempted to put what he has to say in as readable a form as possible. Everything in the way of the history and habits of fish has been studiously avoided, and technicalities have been used as sparingly as possible. The writing of this book has afforded him pleasure in his leisure moments, and that pleasure would be much increased if he knew that the perusal of it would create any bond of sympathy between himself and the angling community in general. This section is interleaved with blank shects for the readers notes. The Author need hardly say that any suggestions addressed to the case of the publishers, will meet with consideration in a future edition. We do not pretend to write or enlarge upon a new subject. Much has been said and written-and well said and written too on the art of fishing but loch-fishing has been rather looked upon as a second-rate performance, and to dispel this idea is one of the objects for which this present treatise has been written. Far be it from us to say anything against fishing, lawfully practised in any form but many pent up in our large towns will bear us out when me say that, on the whole, a days loch-fishing is the most convenient. One great matter is, that the loch-fisher is depend- ent on nothing but enough wind to curl the water, -and on a large loch it is very seldom that a dead calm prevails all day, -and can make his arrangements for a day, weeks beforehand whereas the stream- fisher is dependent for a good take on the state of the water and however pleasant and easy it may be for one living near the banks of a good trout stream or river, it is quite another matter to arrange for a days river-fishing, if one is looking forward to a holiday at a date some weeks ahead. Providence may favour the expectant angler with a good day, and the water in order but experience has taught most of us that the good days are in the minority, and that, as is the case with our rapid running streams, -such as many of our northern streams are, -the water is either too large or too small, unless, as previously remarked, you live near at hand, and can catch it at its best. A common belief in regard to loch-fishing is, that the tyro and the experienced angler have nearly the same chance in fishing, -the one from the stern and the other from the bow of the same boat. Of all the absurd beliefs as to loch-fishing, this is one of the most absurd. Try it. Give the tyro either end of the boat he likes give him a cast of ally flies he may fancy, or even a cast similar to those which a crack may be using and if he catches one for every three the other has, he may consider himself very lucky. Of course there are lochs where the fish are not abundant, and a beginner may come across as many as an older fisher but we speak of lochs where there are fish to be caught, and where each has a fair chance. Again, it is said that the boatman has as much to do with catching trout in a loch as the angler. Well, we dont deny that. In an untried loch it is necessary to have the guidance of a good boatman but the same argument holds good as to stream-fishing...
Biohydrogen (H2) production from renewable wastewater signifies a sustainable alternative to a fossil fuel-based economy. H2 is deemed to be the futuristic energy carrier with a high-energy yield. This chapter specifically addresses H2 production through wastewater remediation. A comprehensive emphasis is made on the fermentative routes, namely, light-driven and light-independent processes, encompassing wastewater and mixed culture application as a focal point. Important process parameters that have critical roles on process efficiency are elaborated. Some of the persistent limitations encountered during the process operation are delineated. Stress is made on the pertinent discussion on biocatalyst pretreatment methods in the context of mixed culture wastewater usage. Reported strategies to overcome the limitations are discussed to make the process economically viable, especially for large-scale applications.
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