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Plant diseases and pests are a major constraint to agricultural production despite the various measures used to control them. Chemical control, although often e~~ective, may pose environmental hazards and is relatively expensive, especially in developing countries where it may be completely uneconomic. Control through genetically mediated resistance to diseases and pests, is both cheap and environmentally sa~e and at present most diseases and pests o~ staple ~ood crops are controlled through some form of resistance. One of the basic problems in the use of resistance is its ~re quent lack of durability; very often a type of resistance is used that 'breaks down' after a certain period. The tem...
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In the second half of the 19th century, Southeastern Europe was home to a vast and heterogeneous constellation of Jewish communities, mainly Sephardic to the south (Bulgaria, Greece) and Ashkenazi to the north (Hungary, Romanian Moldavia), with a broad mixed area in-between (Croatia, Serbia, Romanian Wallachia). They were subject to a variety of post-Imperial governments (from the neo-constituted principality of Bulgaria to the Hungarian kingdom re-established as an autonomous entity in 1867), which shared a powerful nationalist and modernising drive. The relations between Jews and the nation-states’ governments led to a series of issues relating to the enjoyment of civil rights, public an...
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This textbook provides a comprehensive introduction to all aspects of plant diseases, including pathogens, plant-pathogen interactions, their management, and future perspectives. Plant diseases limit potential crop production and are responsible for considerable losses in agriculture, horticulture and forestry. Our global food production systems are under increasing pressure from global trade, climate change and urbanization. If we could alleviate the losses due to plant diseases, we would be able to produce roughly 20% more food - enough to feed the predicted world population in 2050. Co-authored by a group of international teachers of plant pathology who have collaborated for many years, t...
When a building bursts into flames on a cold winter night in Washington, DC, investigators see a resemblance to a string of recent fires in the area. There is one difference, however: this one has a human casualty. The local team insists they're looking for a young white male, suffering from an uncontrollable impulse to act out his anger or sexual aggression. But when FBI special agent Maggie O'Dell is called in, everything she sees leads her to believe that this is the work of a calculating and controlled criminal. Jeffery Cole, a reporter looking for his big break, is at the scene of the crime and decides to make Maggie part of his news piece, digging up aspects of her past that she would rather forget. As the fires continue to light up around the city, Maggie also crosses paths with her brother Patrick, now back in DC and working as a fire-fighter. As the acts of arson become more brazen Maggie's professional and personal worlds are set on a dangerous collision course. Little does she realise that the killer may be closer than she imagines...
For decades, tired travellers have stopped at rest areas on America's epic highways to rest, refuel and get a bite to eat, but little do they know that one man's rest stop is another's hunting ground. For years the defenceless, the weary and the stranded have been disappearing along the highways and byways, vanishing without a trace. When FBI special agent Maggie O'Dell and her partner, Tully, discover the remains of a young woman in a highway ditch, the one clue left behind is a map that will send Maggie and Tully on a frantic hunt crisscrossing the country to stop a madman before he kills again. As the body count rises and Maggie races against the clock to unmask the monster who's terrorising the nation's highways, she turns for help to a former foe who seems to have an uncanny knack for guessing what the killer's next move will be. But as she gets closer to finding the killer, it becomes eerily clear that Maggie is the ultimate target.
In the new edge-of-your seat thriller from New York Times-bestselling author Alex Kava, Ryder Creed, his K9 search-and-rescue dogs and FBI agent Maggie O'Dell find themselves at the centre of a dire and mysterious case. In Chicago, a young man jumps from his thirtieth-storey hotel room; along the Missouri river, a hunter and his son find a lake whose surface is littered with snow geese, all of them dead; and in Southern Alabama, Ryder Creed and his search-and-rescue dog Grace find the body of a young woman who went missing in the Conecuh National Forest . . . and it appears she filled her pockets with rocks and walked into the river. Before long Ryder Creed and FBI profiler Maggie O'Dell will discover the ominous connection between these mysterious deaths. What they find may be the most prolific killer the United States has ever known . . .
Directory of horticultural research institutes and their activities in 74 countries. All countries are mentioned alphabetically and index of names of place, index of international organizations and key to countries.
Most of them were asleep in their beds when the ground gave way. . . . When Ryder Creed responds to a devastating mudslide in North Carolina, he knows the difference between finding survivors and the dead - is time. Heedless of the dangers, Creed and his best search-and-rescue dog Bolo frantically wade through the chaos of twisted tree limbs, crumbled cement, and unrecognizable debris, when a second slide catches up with Ryder. And he is buried alive. Bolo makes it out, though, and leads the heroic rescue of his master. But what they get when they pull Ryder from the mud is much more than they bargained for. This dramatic incident reveals secrets that run deep, pointing to a possible serial killer and unexpectedly dredging up painful, hushed-up pieces of Creed's own past. The mysteries unearthed will bring Ryder Creed face-to-face with his past loyalties, deeply embedded survivor's guilt, and a powerful figure from his past. He'll have to rely on his dogs if he wants to make it through alive...