Abstract

ABSTRACT One hundred and fifty-two pearl millet genotypes from the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) and West African National Agricultural Research Systems (NARS) were evaluated at Samaru, Nigeria, for resistance to downy mildew under field conditions during the 2000, 2001, and 2002 wet seasons. Disease incidence and severity were assessed 65 days after sowing. Disease severity scores were taken on a 1–5 scale. The results indicated that 70 genotypes showed resistance, 43 moderate resistance, 35 moderate susceptibility and 3 genotypes were susceptible. Resistant genotypes included 27 ICRISAT pearl millet lines and 43 NARS genotypes. Results herein indicate the availability of germplasms with resistance to downy mildew.

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