Current Trends in Life Sciences-XIX: Recent Trends in Plant Disease Control: Proceedings of the National Symposium on Recent Trends in Plant Disease Control, April 12-14, 1989, Nagaland, India

Contents: Preface. 1. Role of plant pathogenic mollicutes in India/S.P. Raychaudhuri. 2. Role of Mycorrhiza in plant disease management/Bushan L. Jalali. 3. Disease control through application of plant pathology technology - why and how/M.P. Srivastava. 4. Plant protection in N.E. Hill region/S. Mukhopadhyay. 5. Non-target effects of pesticides on soil-borne pathogens of wilt and wilt like diseases of linseed/B.N. Shukla, S.C. Vyas and M.N. Khare. 6. Studies on the chemical control of black pepper wilt caused by Phytophthora Palmivora MF/M.N.L. Sastry and R.K. Hegde. 7. Comparative efficacy of different copper fungicide formulations and spraying methods in controlling abnormal leaf fall disease of Hevea Brasiliensis/Sabu P. Idicula, V. Krishnankutty, Thomoson T. Edathil, C. Kuruvilla Jacob and K. Jayarathnam. 8. Effect of seed treatment and soil application of fungicides in control of pre - and post-emergence mortality in watermelon caused by Fusarium Oxysporum F. Sp. Niveum/U.A. Gadre, A.M. Mandokhot and M.P. Diwakar. 9. Effect of Bavistin and Dithane M-45 on Ectomycorrhizal development of Khasi pine in nurseries/Raj Kumar, G.S. Rao, G.D. Sharma and R.R. Mishra. 10. Chemical control of foot rot and leaf rot of detelvine caused by Phytophthora palmivora using Bordeaux mixture/B. Dasgupta.

11. Chemical control of Anthracnose of Greater Yam/U.A. Gadre and A.M. Mandokhot. 12. Detection of Xanthomonas Campestris P. Cyamopsidis in Clusterbean seeds and its survival/L.C. Saini and R.D. Parashar. 13. Infection of safflower seeds with alternaria species-their location and control/N.V. Krishna Prasad and K.C. Basu Chaudhary. 14. Yield loss assessment and standardization of spraying schedule for blast of upland rice in Arunachal Pradesh/R.G. Chaudhary and Vishwadhar. 15. Effect of nitrogen, phosphorus and potash on the incidence of alternaria leaf spot of groundnut/Y. Prasad and Udit Narain. 16. Fungicidal control of root and stem rot of jute/Y. Prasad and P.C. Doloi. 17. Influence of temperature and pH on the efficacy of Mancozeb and Thiobencarb, applied alone or in combination on Rhizoctonia Solani, sheath blight pathogen of rice/U.D. Singh and N. Sethunathan. 18. Microbial ecology of citrus leaf and its role in citrus bacterial canker disease management/Ramesh Chand and Ram Kishun. 19. Control of sclerotinia stem and pod rot of pea/J.S. Srivastava and Birendra Singh. 20. Control of bakanae disease of rice with chemical seed treatments/Kh. Upendra Singh, Y. Rathaiah and N. Iboton Singh.

21. Control of greening-induced die-back of citrus through foliar sprays/N. Iboton Singh. 24. Influence of ocimum sanctum essential oil on the two major fungal pathogens of rice/Debjani Misra and S.N. Tewari. 25. Additive effects of plant oils and fungicides/B. Das and S. Pan. 26. Effect of different types of planting materials on the yield and incidence of Taphrina in turmeric/V.B. Singh and P.L. Kar. 27. Potentialities of Indian strains of bajra ergot for alkaloid production in stationary culture/H.N. Singh and Akhtar Husain. 28. Biological control of watermelon wilt fungus (Fusarium Oxysporum F. Sp. Niveum) using Trichoderma Viride as an antagonistic organism/R.R. Bhad, M.P. Diwakar, A.M. Mandokhot and U.A. Gadre. 29. Biological control of charcoal rot of maize by Guava wilt Fusarium/R.D.N. Singh and S.A.K.M. Kaiser. 30. "Aims" : an appropriate integrated pest management system in India/Mrinal K. Dasgupta.

31. Fluorescent pseudomonads for plant disease control/S. Ray, M. Ghosh and N. Mukherjee. 32. Studies on soils amendment with leaves of some local weeds in relation to the biocontrol of Rhizoctonia Solani Kuhn./Anil Kumar and K.B. Mishra. 33. Effect of different soil amendments on the populations of two soil borne plant pathogens/A. Basu, A. Dasgupta and P.K. Sen Gupta. 34. Potential of soil solarisation in the management of Macrophomina, Phaseolina and Sclerotium Rolfsii in soil/D. Maiti, A.K. Chakraborty, C. Chattopadhyay and C. Sen. 35. Effect of slash and burn of trichoderma species in Jhum land ecosystem at Medziphema Nagaland/L. Daiho, D.N. Upadhyay and/H.B. Singh. 36. Antagonistic effect of some fungi on Rhizoctonia Solant causing sheath blight of rice/A.K. Roy. 37. Studies on infection involvement and spread of pearl millet downy mildew through sporangia of Sclerospora Graminicola/D.P. Thakur. 38. Epidemiology and management of black rot of cauliflower in high rainfall area of west Bengal/S.K. Laha, B.K. Jana, S. Bandhopadhyay, D. Giri and D.C. Khatua. 39. Leaf physiology and disease development in Mustard (Brassica sp.)/P.K. Chakraborty. 40. Epidemiology of damping off (Phytophtroa Spp.) of pine (Pinus Kesiya)/B.N. Jha, G.D. Sharma and R.R. Mishra.

41. Influence of weather parameters on the epidemiology of yellow vein mosaic virus disease of Okra in Bangalore/S.J. Singh. 42. Grain-loss assessment due to soybean rust disease/R.N. Verma, Sangit Kumar and Satish Chandra. 43. Relative humidity in relation to carpogenic germination of Sclerotinia\' Sclerotiorum/K.S. Kapoor. 44. Influence of decomposing chickpea blossom on the incidence of stem rot caused by Sclerotinia Sclerotiorum/R.B. Singh, R.P. Singh and H.B. Singh. 45. Studies on the Corynespora leaf spot of Japanese mint : primary source and survival of the pathogen/K.P. Singh and Akhtar Husain. 46. Incidence of potato (Solanum tuberosum L.) diseases and crop losses in north-eastern states of India/Surendra Ram and U.C. Sharma. 47. Some interaction processes affecting the pathogenesis of Drechslera Rostrata causing leaf blight of Costus Speciosus/S. Kumar, H.N. Singh, R.S. Shukla and K.P. Singh. 48. Genetics of resistance to diseases in Vigna/D.P. Singh. 49. Genetics of leaf rust resistance in certain strains of wheat/B.D. Singh, V. Tiwari, and A.K. Joshi. 50. Inheritance of powdery mildew resistance in pea/A.K. Singh, J. Singh and R.M. Singh.

51. A technique for screening diseases and isolation of root rot resistant lines in maize through tissue culture/R.P. Singh, R.B. Singh and J.P. Shahi. 52. Detection of soft rot pathogen in potato tubers and screening for resistance/S.S. Karwasra and R.D. Parashar. 53. Some parameters governing the horizontal resistance in motihari tobacco (N. Rustica) against brown spot (Alternaria Alternata)/Dilip Monga. 54. Evaluation of germplasm in peas for resistance to powery mildew and rust diseases/B.B. Singh and D.P. Singh. 55. Reaction of paddy varieties of neck blast disease under wetland condition in Nagaland/S.M. Hussain and J.P. Sharma. 56. Blast resistant rice cultivars for NEh India/R.N. Verma. 57. Sources of resistance to Cerospora Kikuchii incitant of purple stain disease of soybean/S.K. Sharam, R.N. Verma and Shashi Chauhan. 58. Evaluation of half-sib progenies and breeding for resistance to turcicum leaf blight (Exserohilum turcicum) of maize (Zea mays L.)/J.P. Shahi, S.V. Singh, B.D. Singh and R.M. Singh. 59. Little leaf of Dolichos Lablab-a new mycoplasmal disease in India/S.J. Singh. 60. Ultrastructural changes and multiplication of Xanthomonas Campestris Pv. Vignicola in resistant and susceptible cowpea leaves/Ram Kishun, S.J. Singh and Ramesh Chand. 61. Detection of bean yellow mosaic virus in gladiolus corms by ELISA/R.K. Raizada, M. Aslam and B.P. Singh. 62. Inhibition studies on cucumber mosaic virus in safflower by plant extracts/K. Ravinder Reddy, N. Govinda Rao and K.S. Sastry.