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Crop loss due to weeds has challenged agricultural managers since man began to develop the first farming systems. In the past century, however, much progress has been made to reduce weed interference in crop settings through effective yet mostly non-sustainable weed control strategies. With the commercial introduction of herbicides during the mid-1900's, advancements in chemical weed control tactics have provided efficient suppression of a broad range of weed species for most agricultural practices. Currently, with the necessity to design effective sustainable weed management systems, research has been pushing new frontiers on investigating integrated weed management options including chemical, mechanical as well as cultural practices. Author contributions to Weed Science present significant topics of research that examine a number of options that can be utilized to develop successful and sustainable weed management systems for many areas of crop production

Weeds --- Control. --- Crops --- Eradication of weeds --- Suppression, Weed --- Weed control --- Weed eradication --- Weed management --- Weed suppression --- Vegetation management --- Herbicides --- Eradication --- Management --- Food & beverage technology

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This book is a collection of chapters, concerning the developments within the Weed Biology and Control field of study. The book includes scholarly contributions by various authors pertinent to Agricultural and Biological Sciences. Each contribution comes as a separate chapter complete in itself but directly related to the book's topics and objectives. The target audience comprises scholars and specialists in the field.

Weeds. --- Weeds --- Control. --- Pest plants --- Weed plants --- Weedy plants --- Plant pests (Plants) --- Agricultural pests --- Botany, Economic --- Plants --- Crops --- Eradication of weeds --- Suppression, Weed --- Weed control --- Weed eradication --- Weed management --- Weed suppression --- Vegetation management --- Herbicides --- Eradication --- Management --- Food & beverage technology

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Weeds --- Weeds. --- Écologie végétale. --- Lutte contre les mauvaises herbes. --- Mauvaise herbe. --- Control --- Control. --- Crops --- Eradication of weeds --- Suppression, Weed --- Weed control --- Weed eradication --- Weed management --- Weed suppression --- Pest plants --- Weed plants --- Weedy plants --- Plant pests (Plants) --- Eradication --- Agricultural pests --- Botany, Economic --- Plants --- Vegetation management --- Herbicides --- Management

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This book addresses herbicides and their use as an important aspect of modern weed management, and strives to place them in an ecological framework. Many weed scientists believe agriculture is a continuing struggle with weeds - without good weed control, good and profitable agriculture is impossible. Each agricultural discipline sees itself as central to agriculture's success and continued progress, and weed science is no exception. While not denying the importance of weed management to successful agriculture, this book places it in a larger ecological context. The roles of culture, economics,

Weeds. --- Weeds --- Herbicides. --- Crops --- Eradication of weeds --- Suppression, Weed --- Weed control --- Weed eradication --- Weed management --- Weed suppression --- Vegetation management --- Herbicides --- Pest plants --- Weed plants --- Weedy plants --- Plant pests (Plants) --- Agricultural pests --- Botany, Economic --- Plants --- Herbicide --- Weed killers --- Weedicides --- Pesticides --- Control. --- Eradication --- Management --- Control

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Genetically uniform cultivars in many self-pollinated cereal crops dominate commercial production in high-input environments especially due to their high grain yields and wide geographical adaptation. These cultivars generally perform well under favorable and high-input farming systems but their optimal performance cannot be achieved on marginal/organic lands or without the use of external chemical inputs (fertilizers, herbicides and pesticides). Cereal breeding programs aim at evaluating candidate lines/cultivars for agronomic, disease and quality traits in a weed free environment that makes it impossible to identify traits conferring competitive ability against weeds. Moreover, quantification of competitive ability is a complex phenomenon which is affected by range of growth traits. Above (e.g. light) and below (e.g. water and nutrients) ground resources also influence competitiveness to a greater extent. Competitiveness is quantitatively inherited trait which is heavily influenced by many factors including genotype, management, environment and their interaction. Sound plant breeding techniques and good experimental designs are prerequisites for maximizing genetic gains to breed cultivars for organically managed lands. The brief is focused on breeding wheat for enhanced competitive ability along with other agronomic, genetic and molecular studies that have been undertaken to improve weed suppression, disease resistance and quality in organically managed lands. The examples from other cereals have also been highlighted to compare wheat with other cereal crops.

Wheat --- Weeds --- Organic farming. --- Breeding. --- Control. --- Ecological agriculture --- Organic crops --- Organic cultivation --- Organic production of crops --- Organiculture --- Regenerative agriculture --- Agriculture --- Crops --- Eradication of weeds --- Suppression, Weed --- Weed control --- Weed eradication --- Weed management --- Weed suppression --- Vegetation management --- Herbicides --- Eradication --- Management --- Organic agriculture --- Botany. --- Plant breeding. --- Plant physiology. --- Plant Sciences. --- Plant Breeding/Biotechnology. --- Plant Physiology. --- Botany --- Plants --- Physiology --- Breeding --- Botanical science --- Phytobiology --- Phytography --- Phytology --- Plant biology --- Plant science --- Biology --- Natural history --- Plant science. --- Floristic botany