Evaluation of sorghum entries for disease resistance in Northeastern Brazil.
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A field trial of 30 promising entries of sorghum was conducted at Afranio,PE in 1977 to screen for their reaction to diseases that occur in the semi-arid region of the northeastern Brazil. Three discases, mosaic, rust and anthracnose, were found in this experiment. The evaluations for disease resistance were performed after one month of flowering. Table 1 presents the average disease ratings of two replicates of the entries. Most of the entries seemed to be resistant or tolerant to mosaic and rust. The entries Ck 60B and (IS 8361) were found to be moderately resistant to mosaic, and entry (CMS X S601) showed moderately resistant to rust. Althouth a large number of the entries were observed to be resistant of moderately resistant to anthracnose, entries (CMS X S904), TX 7078 and SC 175-14 were moderately susceptible.
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Nordeste, Sorghum, Sorgo, Doença, Resistência, Resistência a Seca, Mosaico, Ferrugem, Antracnose, Grain sorghum, Disease resistance, Disease control