| 441 | Studies on the morphology bionomics and control of some indian agromyzidae |
| 442 | |
| Language: | English |
| 443 | |
| 444 | Studies on indian noctuidae lepidoptera with special reference to the subfamily jaspidiinae |
| Language: | English |
| 445 | |
| 446 | |
| Language: | English |
| 447 | |
| 448 | |
| Language: | English |
| 449 | |
| 450 | |
| Language: | English |
| 451 | |
| 452 | Studies on virus disease of tapioca manihot esculenta (Crantz) |
| Language: | English |
| 453 | |
| 454 | |
| Language: | English |
| 455 | |
| 456 | Studies on the inactivation of potato virus Y (PVY) by plant extracts and their mode of action |
| Language: | English |
| 457 | Studies on the relationship of cowpea mosaic virus and its vector aphis craccivora (Koch) |
| 458 | Studies on virus diseases of chilli capsicum sp. in madras state |
| Language: | English |
| 459 | |
| 460 | |
| Language: | English |