Effect of crop rotation on specialization and genetic diversity of Macrophomina phaseolina

Effect of crop rotation on specialization and genetic diversity of Macrophomina phaseolina

Charcoal rot, caused by Macrophomina phaseolina, is one of the most important diseases of soybean. Genetic variability among soybean isolates has been observed but the effect of host specialization on genetic variability has not been reported. In this work, isolates from soybean, corn and sunflower...

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Veröffentlicht in:Tropical plant pathology 2008-07, Vol.33 (4), p.257-264
Hauptverfasser: Almeida, Álvaro M.R., Sosa-Gomez, Daniel R., Binneck, Eliseu, Marin, Silvana R.R., Zucchi, Maria I., Abdelnoor, Ricardo V., Souto, Eliezer R.
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Sprache:eng ; por
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PLANT SCIENCES
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Zusammenfassung:Charcoal rot, caused by Macrophomina phaseolina, is one of the most important diseases of soybean. Genetic variability among soybean isolates has been observed but the effect of host specialization on genetic variability has not been reported. In this work, isolates from soybean, corn and sunflower were evaluated based on cross inoculations and number of microsclerotia/g of roots. The highest and lowest significant (P
ISSN:1983-2052
DOI:10.1590/S1982-56762008000400001