by Anaso, A.B., Tyagi, P.D., Emechebe, A.M., Manzo, S.K.
Published in Crop protection (1989)

by Sharma, P.N, Kumar, A, Sharma, O.P, Sud, D, Tyagi, P.D
Published in Journal of phytopathology (1999)

by Vaid, A. (Himachal Pradesh Krishi Vishvavidyalaya, Palampur (India). Dept. of Plant Pathology), Tyagi, P.D
Published in Euphytica (01.01.1997)

by Banyal, D.K., Tyagi, P.D.
Published in Crop protection (01.02.1997)

by Tyagi, P.D
Published in Indian phytopathology (1972)

by Tyagi P.D
Year of Publication 1977

by Sugha, S.K, Tyagi, P.D. (Himachal Pradesh Krishi Vishvavidyalaya, Palampur (India))
Published in Indian journal of animal sciences (01.02.1994)

by Tyagi, P.D
Published in Indian J Agr Sci (1972)

by Tyagi, P.D
Published in Indian J Agr Sci (1972)

by Banyal, D.K, Tyagi, P.D
Published in International journal of pest management (01.01.1997)

by Tyagi, P.D
Published in Cur Sci (1969)

by Manzo S.K, Tyagi P.D
Year of Publication 1987

by Sugha, S.K, Sharma, B.K, Tyagi, P.D. (Himachal Pradesh Krishi Vishvavidyalaya, Palampur (India). Department of Plant Pathology)
Published in The Indian journal of agricultural sciences (01.06.1993)

by Vimal, O.P, Tyagi, P.D
Year of Publication 1986

by Singh M, Tyagi P.D
Published in Indian Phytopathology (1980)

by Tyagi, P.D, Singh, M
Published in Pesticides (1979)

by Singh M, Tyagi P.D
Published in Indian Phytopathology (1978)

by Singh M, Tyagi P.D
Published in Indian Phytopathology (1978)

by Tyagi, P.D, Renfro, B.L
Published in Indian Forest Rec N S Forest Pathol (1969)

by Tyagi P.D, Minhas A.S, Anand S.C
Published in The Indian journal of agricultural sciences (1976)