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callus
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donor plant
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immature embryo
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morphogenesis
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plant regeneration
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spring wheat
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variation
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8,361,990 cases
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Bumper crops
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Northwest,Pacific -- History -- 20th Century
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QH301-705.5
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United States --Fishing Commercial -- 20th Century
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West Siberia
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a vintage crop
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abundance
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after an absence
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after fore or five years
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being marketed
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benefits of improvements
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bryoflora
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canning skill
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cheerful things
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controlled by man
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