International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:7, July, 2020

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(7): 3278-3284

Multi-location Evaluation of Phytohormones and Chemicals for the Management of Pigeonpea Sterility Mosaic Disease (PSMD)
R. Sayiprathap1, 2, A. K. Patibanda2, V. Prasanna Kumari2, Jayalalitha2, V. Srinivasa Rao2 and Hari Kishan Sudini1*
1International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Telangana, India
2Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, India
*Corresponding author

Sterility mosaic disease (SMD) is the most destructive disease of pigeonpea in the Indian-subcontinent. SMD is caused by Pigeonpea sterility mosaic virus (PPSMV) and strain variability coupled with recent discovery of another emaravirus (PPSMV-II) made a complex etiology of this difficult to manage viral disease. A field study with phytohormones, chemicals and plant extract was conducted at Bengaluru and Patancheru locations to find out the best treatment for the management of SMD in pigeonpea. Results from the two field trials suggest three sprays of proporgite @ 0.15 %, recorded least SMD incidence of 2.00 per cent and effectively control the disease by 93.18 per cent with 80.33 per cent yield increase over control. Similarly, dimethoate @ 0.10 % also showed significant reduction of disease incidence by 92.86 per cent with 79.53 per cent yield increase. Spraying of salicylic acid (SA) @ 0.10 mM and gibberellic acid (GA) @ 250 ppm offered resistance to SMD infection with 40.67 and 42.69 per cent yield increase respectively over the contol. However, indole acetic acid (IAA) @ 250 ppm and Mirabilis jalapa bulb extract (yellow flower) @ 5.00 % sprays were not effective in the management of SMD.

Keywords: Pigeonpea, Sterility mosaic disease (SMD), Disease management

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How to cite this article:

Sayiprathap, B. R., A. K. Patibanda, V. Prasanna Kumari, K. Jayalalitha, V. Srinivasa Rao and Hari Kishan Sudini. 2020. Multi-location Evaluation of Phytohormones and Chemicals for the Management of Pigeonpea Sterility Mosaic Disease (PSMD).Int.J.Curr.Microbiol.App.Sci. 9(7): 3278-3284. doi:
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