An Overview Of Aerobiology Over Groundnut Crop At Patan (M.S)

Authors

  • Shinde Manjusha Balasaheb Desai College, Patan. Dist-Satara, Maharashtra, India.
  • Mahajan Minakshi Fergusson College, Pune

Keywords:

Aerobiology, Groundnut, Environmental parameters, Diseases, Patan

Abstract

An aerobiological investigations have been carried out over groundnut crop field for two consecutive seasons from (July2011 to November 2011) kharif and from (January2012 to May 2012) summer, using Tilak air sampler. Comparative study of these two seasons revealed abundant total airspora during kharif (rainy) (447594) as compared to summer season (178430) comprising 95 spore types which exhibited monthly variation during both the seasons. Observations of Kharif season revealed that the total spore load was maximum during October 2011(248122) as compared to the total of remaining three months (165396) which may be due to heavy rain fall during October 2011, other congenial conditions and incidence of 24 types of ascospores released due to rains. Thus ascospores acted as bio indicator of heavy rainfall.Highest spore count has been recorded on 13 th October 2011 (88270) which was due to 655,2mm rainfall, 250C temperature and 65% RH on preceding day 12th October 2011 and 25 mm rainfall on same day, which was responsible for release of ascospores. Thus environmental parameters have played significant role on the spore load; this was coincided with maximum incidence of foliar diseases like Tikka disease and Rust of Groundnut and higher percentage contribution of pathogens of these diseases. Deuteromycotina has been found to be dominant class (58.19%) followed by Ascomycotina(18.81%), Basidiomycotina (10.89%), other types (9.19%), Phycomycotina (2.26%) and Myxomycotina (0.62%). Dominant spore types in descending order have been found to be Cladosporium (15.53%), Aspergillus (9.19%) and Nigrospora (6.23%) and least in occurrence have been found to be Ceratosporium (0.004%) and others in between. These investigations may be helpful in laying down some basic principles required for disease forecasting system of important diseases of groundnut to save crop losses and yield of crops due to diseases at Patan.

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Published

2013-11-30

How to Cite

Shinde Manjusha, & Mahajan Minakshi. (2013). An Overview Of Aerobiology Over Groundnut Crop At Patan (M.S). International Journal of Life Sciences, 40–46. Retrieved from https://ijlsci.in/ls/index.php/home/article/view/1086

Issue

Special Issue A1 November 2013

Section

Research Articles

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