| 221 | |
| Researcher: | Viswanathan, R | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 222 | |
| Researcher: | Agrawal, Kailash Chand | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 223 | Studies on virus disease of tapioca manihot esculenta (Crantz)  | 
| Researcher: | Alagia Nagalingam, M N | 
| University: | University of Madras | 
| Language: | English | 
| 224 | |
| Researcher: | Dhanraj, Karamindar S | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 225 | |
| Researcher: | Ganguly, B | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 226 | |
| Researcher: | Gauri Shankar | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 227 | Studies on the inactivation of potato virus Y (PVY) by plant extracts and their mode of action  | 
| Researcher: | Gupta, Vinod Kumar | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 228 | Studies on the relationship of cowpea mosaic virus and its vector aphis craccivora (Koch)  | 
| Researcher: | Haque, S Q | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 229 | Studies on virus diseases of chilli capsicum sp. in madras state  | 
| Researcher: | Jayarajan, R | 
| University: | University of Madras | 
| Language: | English | 
| 230 | |
| Researcher: | Kartha, Kutty Krishnan | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 231 | |
| Researcher: | Nagarajan, K | 
| University: | University of Madras | 
| Language: | English | 
| 232 | |
| Researcher: | Narayan Nambiar, K K | 
| University: | University of Madras | 
| Language: | English | 
| 233 | |
| Researcher: | Narayanaswamy, P | 
| University: | University of Madras | 
| Language: | English | 
| 234 | Studies on the mosaic disease of maize zea mays (L) in india  | 
| Researcher: | Paliwal, Y C | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 235 | Influence of zinc on the concentration of potato virus X in tomato  | 
| Researcher: | Rao, V V | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 236 | |
| Researcher: | Shambi, Harbans Singh | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 237 | |
| Researcher: | Sastry, K S M | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 238 | |
| Researcher: | Sreenivasan, T N | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 239 | Effect of certain growth regulators on the ineffectivity and concentration of tobacco mosaic virus  | 
| Researcher: | Subbarayudu, S | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 240 | |
| Researcher: | Lal, Lakshman | 
| University: | Banaras Hindu University | 
| Language: | English |