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Multilocational evaluation of pigeonpea for resistance to phytophthora blight

K. S. Amin, M. V. Ramana Reddy, T. N. Raju, Y. L. Nene, R. A. Singh, M. Pal, Y. P. S. Rathi, Shikha Agarwal, Vijay Bahadur Singh Chauhan

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Abstract

One hundred and forty three pigeonpea accessions and 757 elite breeding lines were evaluated for resistance to phytophthora blight (Phytophthora drechsler; f. sp cajan; (Pal et at.) Kannaiyan et al.) at seven locations in India for three to seven seasons between 1984/85 and 1990/91. Three accessions, KPBR 80-2-1, KPBR 80-2-2, and ICP 9252 were moderately resistant to the disease with an average disease incidence of 11–20% (range 1–38%), compared to 89% (range 67–100%) In the susceptible control. These can be used as donor parents for breeding for resistance

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One hundred and forty three pigeonpea accessions and 757 elite breeding lines were evaluated for resistance to phytophthora blight (Phytophthora drechsler; f. sp cajan; (Pal et at.) Kannaiyan et al.) at seven locations in India for three to seven seasons between 1984/85 and 1990/91. Three accessions, KPBR 80-2-1, KPBR 80-2-2, and ICP 9252 were moderately resistant to the disease with an average disease incidence of 11–20% (range 1–38%), compared to 89% (range 67–100%) In the susceptible control. These can be used as donor parents for breeding for resistance

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Available abstract

One hundred and forty three pigeonpea accessions and 757 elite breeding lines were evaluated for resistance to phytophthora blight (Phytophthora drechsler; f. sp cajan; (Pal et at.) Kannaiyan et al.) at seven locations in India for three to seven seasons between 1984/85 and 1990/91. Three accessions, KPBR 80-2-1, KPBR 80-2-2, and ICP 9252 were moderately resistant to the disease with an average disease incidence of 11–20% (range 1–38%), compared to 89% (range 67–100%) In the susceptible control. These can be used as donor parents for breeding for resistance

Key concepts: Blight, Veterinary medicine, Phytophthora, Biology, Horticulture, Insomnia, Resistance (ecology), Plant disease resistance

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