Pathogenicity of Criconemella curvata to Alfalfa
Abstract
Large populations of Criconemella curvata and extended experimental periods were required to adversely affect yield of 'Moapa 69' alfalfa. C. curvata ectoparasitie feeding caused a reduction in feeder root numbers and tap root size and small lesions on tap and secondary roots. Greater reproduction occurred at 27 C than at 22 C, but the effect of the nematode on alfalfa growth was the same at both temperatures. Key words: ring nematodes, lucerne, temperature, feeding.Downloads
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