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Nigam, S N and Dwivedi, S L and Nambiar, P T C and Gibbons, R W and Dart, P J (1985) Combining Ability Analysis of N2-Fixation and Related Traits in Peanut. Peanut Science, 12 (2). pp. 55-57.
Subrahmanyam, P and McDonald, D and Gibbons, R W and Nigam, S N and Nevill, D J (1982) Resistance to Rust and Late Leafspot Diseases in Some Genotypes of Arachis hypogaea. Peanut Science, 9 (1). pp. 6-10.
Subrahmanyam, P and Reddy, L J and Gibbons, R W and McDonald, D (1985) Peanut rust: a major threat to peanut production in the semiarid tropics. Plant Disease, 69 (9). pp. 813-819. ISSN 0191-2917
Nigam, S N and Dwivedi, S L and Gibbons, R W (1991) Groundnut breeding: constraints, achievements and future possibilities. Plant Breeding Abstracts, 61 (10). pp. 1127-1136.
Rao, V R and Gibbons, R W (1979) Development of a descriptive language for groundnut (Arachis hypogaea). Documentation. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1991) Registration of 'ICGS 1' peanut cultivar. Crop Science, 31 (5). pp. 1382-1383. ISSN 0011-183X
Subrahmanyam, P and McDonald, D and Waliyar, F and Reddy, L J and Nigam, S N and Gibbons, R W and Rao, V R and Singh, A K and Pande, S and Reddy, P M and Rao, P V S (1995) Screening methods and sources of resistance to rust and late leaf spot of groundnut. Information Bulletin no. 47. Technical Report. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1994) Registration of ICGS 35 Peanut Germplasm. Crop Science, 34. pp. 1423-1424.
Dwivedi, S L and Nigam, S N and Nagabhushanam, G V S and Rao, Y L C and Gibbons, R W (1994) Registration of ICGV 86564 Peanut Germplasm. Crop Science, 34 (3). p. 821.
Reddy, L J and Nigam, S N and Subrahmanyam, P and Reddy, A G S and McDonald, D and Gibbons, R W and Pentaiah, V (1993) Registration of 'ICGV 86590' Peanut Cultivar. Crop Science, 33 (2). pp. 357-358. ISSN 1435-0653
Nigam, S N and Marfo, K O and Assibi, M A and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1993) Registration of ‘Sinkarzei’ Peanut. Crop Science, 33 (1). p. 212. ISSN 0011-183X
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1992) Registration of ICGV 87121 Peanut Germplasm. Crop Science, 32 (4). pp. 1078-1079. ISSN 0011-183X
Nigam, S N and Reddy, L J and Subrahmanyam, P and Reddy, A G S and McDonald, D and Gibbons, R W (1992) Registration of ICGV 87157, An Elite Peanut Germplasm with Multiple Resistance to Diseases. Crop Science, 32. p. 837.
Reddy, L J and Nigam, S N and Subrahmanyam, P and Reddy, A G S and McDonald, D and Gibbons, R W and Pentaiah, V (1992) Registration of ‘ICGV 87160’ Peanut. Crop Science, 32 (4). p. 1075.
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1992) Registration of “ICGV 87187” Peanut. Crop Science, 32 (1). pp. 278-279.
Nigam, S N and Dwivedi, S L and Gibbons, R W (1991) Groundnut breeding: constraints, achievements and future possibilities. Plant Breeding Abstracts, 61 (10). pp. 1127-1136.
Nigam, S N and Dwivedi, S L and Nambiar, P T C and Gibbons, R W (1991) Registration of Five Nonnodulating Peanut Germplasm Lines. Crop Science, 31 (3). pp. 855-856. ISSN 0011-183X
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1991) Registration of ‘ICGV 87141’ Peanut. Crop Science, 31 (4). p. 1096. ISSN 0011-183X
Nigam, S N and Rao, M J V and Gibbons, R W (1990) Artificial Hybridization in Groundnut. Technical Report. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
Ghanekar, A M and Reddy, D V R and Iizuka, N and Amin, P W and Gibbons, R W (1990) Bud necrosis of groundnut (Arachis hypogaea) in India caused by tomato spotted wilt virus. Annals of Applied Biology, 93 (2). pp. 173-179. ISSN 1744-7348
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1990) Registration of ICGS 11 Peanut Cultivar. Crop Science, 30 (4). p. 960.
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1990) Registration of ICGV 87128 Peanut Cultivar. Crop Science, 30 (4). p. 959. ISSN 1435-0653
Subrahmanyam, P and Ramanatha Rao, V and McDonald, D and Moss, J P and Gibbons, R W (1989) Origins of resistances to rust and late leaf spot in peanut (Arachis hypogaea, Fabaceae). Economic Botany, 43 (4). pp. 444-455. ISSN 0013-0001
Rattunde, H F and Ramraj, V M and Williams, J H and Gibbons, R W (1988) Cultivar mixtures: a means of exploiting morpho-developmental differences among cultivated groundnuts. Field Crops Research, 19 (3). pp. 201-210. ISSN 0378-4290
Nigam, S N and Dwivedi, S L and Nagabhushanam, G V S and Gibbons, R W (1988) Inheritance of period from seedling emergence to first flowering in peanut (Arachis Hypogaeal). Journal of Oilseeds Research, 5. pp. 101-106. ISSN 0970-2776
Reddy, L J and Nigam, S N and Dwivedi, S L and Gibbons, R W (1987) Breeding groundnut cultivars resistant to rust (Puccinia arachidis Speg.). In: Groundnut rust disease. Proceedings of a Discussion Group Meeting, 24-28 Sept 1984 , ICRISAT Patancheru, Andhra Padesh, India.
Gibbons, R W (1986) Biological Constraints to Increased Groundnut Production in the Semi-Arid Tropics. In: International Symposium: Agrometeorology of Groundnut, 21-26 Aug 1985, Niamey, Niger.
Dwivedi, S L and Amin, R and Nigam, S N and Nagabhushanam, G V S and Rao, V R and Gibbons, R W (1986) Genetic Analysis of Trichome Characters Associated with Resistance To Jassid (Empoasca kerri Pruthi) in Peanut. Peanut Science, 13 (1). pp. 15-18. ISSN 0095-3679
Gibbons, R W and Reddy, D V R and McDonald, D (1985) Collaborative research on groundnut rosette virus: summary proceedings of the Consultative Group Meeting, Cambridge, UK, 13-14 Apr 1985. Other. International Crops Research Institute for the Semi-Arid Tropics.
McDonald, D and Subrahmanyam, P and Gibbons, R W and Smith, D H (1985) Early and Late Leaf Spots of Groundnut. Information Bulletin No.21. Technical Report. International Crops Research Institute for the Semi-Arid Tropics.
Subrahmanyam, P and Reddy, L J and Gibbons, R W and McDonald, D (1985) Peanut rust: a major threat to peanut production in the semiarid tropics. Plant Disease, 69 (9). pp. 813-819. ISSN 0191-2917
Reddy, L J and Rao, R C N and Williams, J H and Gibbons, R W (1985) Some aspects of drought with special reference to Groundnut drought research at ICRISAT. In: The Regional Groundnut Breeder's Meet, Feb 25 to March 2, 1985, Southern Africa.
Nigam, S N and Dwivedi, S L and Sigamani, T S N and Gibbons, R W (1984) Character Association Among Vegetative and Reproductive Traits in Advanced Generation of Intersubspecific and Intrasubspecific Crosses in Peanut. Peanut Science, 11 (2). pp. 95-98. ISSN 0095-3679
Reddy, L J and Nigam, S N and Subrahmanyam, P and Dwivedi, S L and Gibbons, R W and McDonald, D (1984) Development of foliar diseases resistant groundnut lines at ICRISAT. In: Proceedings of American Peanut Research and Education Association 16:38.
Arunachalam, V and Bandyopadhyay, A and Nigam, S N and Gibbons, R W (1984) Heterosis in relation to genetic divergence and specific combining ability in groundnut (Arachis hypogaea L.). Euphytica, 33 (1). pp. 33-39. ISSN 1573-5060
Dwivedi, S L and Nigam, S N and Pandey, S K and Gibbons, R W (1984) Inheritance of albinism in certain interspecific and intersubspecific crosses in groundnut (Arachis hypogaea L.). Euphytica, 33 (3). pp. 705-708. ISSN 1573-5060
Subrahmanyam, P and Williams, J H and McDonald, D and Gibbons, R W (1984) The influence of foliar diseases and their control by selective fungicides on a range of groundnut (Arachis hypogaea L.) genotypes. Annals of Applied Biology, 104 (3). pp. 467-476. ISSN 1744-7348
Nambiar, P T C and Nigam, S N and Dart, P J and Gibbons, R W (1983) Absence of Root Hairs in Non-Nodulating Groundnut, Arachis hypogaea L. Journal of Experimental Botany, 34 (141). pp. 484-488. ISSN 0022-0957
Subrahmanyam, P and McDonald, D and Gibbons, R W and Rao, P V S (1983) Components of Resistance to Puccinia arachidis in Peanuts. Phytopathology, 73 (2). pp. 253-256. ISSN 0031-949X
Subrahmanyam, P and Hammons, R O and Nigam, S N and McDonald, D and Gibbons, R W and Fan, M Y and Yeh, W L (1983) International cooperative screening for resistance of peanut to rust and late leaf spot. Plant Disease, 67 (10). pp. 1108-1111. ISSN 0191-2917
Nigam, S N and Rao, V R and Gibbons, R W (1983) Utilization of Natural Hybrids in the Improvement of Groundnuts (Arachis hypogaea). Experimental Agriculture, 19 (4). pp. 355-359. ISSN 1469-4441
Nambiar, P T C and Dart, P J and Nigam, S N and Gibbons, R W (1982) Genetic Manipulation Of Nodulation In Groundnut. In: Biological Nitrogen Fixation Technology for Tropical Agriculture, 9-13 March 1981, Cali, Colombia.
Nigam, S N and Nambiar, P T C and Dwivedi, S L and Gibbons, R W and Dart, P J (1982) Genetics of nonnodulation in groundnut (Arachis hypogaea L.). Studies with single and mixed Rhizobium strains. Euphytica, 31 (3). pp. 691-693. ISSN 1573-5060
Arunachalam, V and Bandyopadhyay, A and Nigam, S N and Gibbons, R W (1982) Heterotic potential of single crosses in groundnut (Arachis hypogaea L.). Oleagineux, 37 (8-9). pp. 415-420. ISSN 1258-8210
Hammons, R O and Subrahmanyam, P and Rao, V R and Nigam, S N and Gibbons, R W (1982) Registration of Peanut Germplasms Tifrust-1 to Tifrust-4 (Reg. No. GP18 to GP21). Crop Science, 22 (2). p. 453. ISSN 1435-0653
Hammons, R O and Branch, W D and Bromfield, K R and Subrahmanyam, P and Rao, V R and Nigam, S N and Gibbons, R W (1982) Registration of Tifrust-14 Peanut Germplasm1 (Reg. No. GP31). Crop Science, 22 (3). pp. 697-698.
Hammon, Ray O and Subrahmanyam, P and Rao, V R and Nigam, S N and Gibbons, R W (1982) Registration of eight peanut germplasm lines resistant to rust. Crop Science, 22 (2). pp. 452-453. ISSN 0011-183X
Hammons, R O and Branch, W D and Bromfield, K R and Subrahmanyam, P and Rao, V R and Nigam, S N and Gibbons, R W and Goldin, E (1982) Registration of tifrust-13 peanut germplasm. Crop Science, 22 (3). p. 697.
Gibbons, R W and Mertin, J V, eds. (1981) Abstracts in English and French of the International workshop on groundnuts 13-17 October 1980. ICRISAT, Patancheru, Andhra Pradesh, India.
Kishore, B (1981) Rust inheritance studies in groundnut (Arachls hypogaea L. ). Masters thesis, Andhra Pradesh Agricultural University.
Gibbons, R W and Nigam, S N and Moss, J P and Nevill, D J and Dwivedi, S L (1980) Disease Resistance Breeding at ICRISAT. In: Proceedings of American Peanut Research and Education Association 12:53, 16, July 1980, Richmond, Virginia.
Nigam, S N and Arunachalam, V and Gibbons, R W and Bandyopadhyay, A and Nambiar, P T C (1980) Genetics of Non-nodulation in Groundnut (Arachis hypogaea L.). Oleagineux, 35 (10). pp. 453-455. ISSN 1258-8210
Nigam, S N and Dwivedi, S L and Gibbons, R W (1980) Groundnut Breeding at ICRISAT. In: Proceedings of the International Workshop on Groundnut, 13-17 October 1980, ICRISAT Center Patancheru, India.
Subrahmanyam, P and McDonald, D and Nigam, S N and Gibbons, R W (1980) Identification of multiple disease resistance in groundnut. Indian Phytopathology, 33 (1). p. 151. ISSN 0367-973X
ICRISAT, - (1980) Proceedings of the International Workshop on Groundnuts ICRISAT Center, Patancheru, India 13-17 October 1980. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
Gibbons, R W and Mertin, J V, eds. (1980) Proceedings of the International Workshop on Groundnuts. International Crops Research Institute for the Semi-Arid Tropics.
Subrahmanyam, P and McDonald, D and Gibbons, R W and Nigam, S N (1980) Resistance to both rust and late leaf spot in some cultivars of Arachis hypogea. In: Proceedings of American Peanut Research and Education Association 12:76, 15-18 July 1980.
Subrahmanyam, P and Gibbons, R W and Nigam, S N and Rao, V R (1980) Screening methods and further sources of resistance to peanut rust. Peanut Science, 7 (1). pp. 10-12.
Arunachalam, V and Bandyopadhyay, A and Nigam, S N and Gibbons, R W (1980) Some basic results of applied value in groundnut breeding. In: Proceedings of the National Seminar on the Application of Genetics to Improvement of Groundnut, 16-17 Jul 1980, Coimbatore, India.
Subrahmanyam, P and Reddy, D V R and Gibbons, R W and Rao, V R and Garren, K H (1979) Current distribution of groundnut rust in India. PANS, 25 (01). pp. 25-29.
Rao, V R and Gibbons, R W (1979) Development of a descriptive language for groundnut (Arachis hypogaea). Documentation. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
Subrahmanyam, P and Rao, V R and Nigam, S N and Gibbons, R W (1978) Studies on groundnut rust puccinia arachidis. Indian Phytopathology, 31 (1). p. 124. ISSN 0367-973X
Gibbons, R W (1992) ICRISAT Sahelian Center and West African Programs: Quarterly Report, January - March, 1992. Documentation. International Crops Research Institute for the semi-arid Tropics, Patancheru, Andhra Pradesh, India.
Nigam, S N and Dwivedi, S L and Rao, Y L C and Gibbons, R W (1991) Registration of 'ICGS 1' peanut cultivar. Crop Science, 31 (5). pp. 1382-1383. ISSN 0011-183X