@article{S. Murugesan_2010, title={Entomopathogenic Fungi for the Management of Calopepla leayana on Gmelina arborea}, volume={2}, url={https://updatepublishing.com/journal/index.php/jebt/article/view/32}, abstractNote={<p><span style="font-size: 10pt; line-height: 110%; font-family: Garamond; mso-fareast-font-family: SimSun; mso-fareast-language: ZH-CN; mso-bidi-font-family: ’Times New Roman’; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">Entomopathogenic fungi, <em style="mso-bidi-font-style: normal;">Beauveria bassiana</em> and <em style="mso-bidi-font-style: normal;">Metarhizium anisopliae</em> were isolated and identified as natural pathogens of <em style="mso-bidi-font-style: normal;">Calopepla leayana</em>. Both the species of fungi were effective against the larval and adult stages of <em style="mso-bidi-font-style: normal;">C. leayana</em> causing white and green muscardine diseases respectively. It was also found that <em style="mso-bidi-font-style: normal;">B. bassiana</em> was more pathogenic to the pest as compared to <em style="mso-bidi-font-style: normal;">M. anisopliae</em>.<span style="mso-spacerun: yes;">  </span>The susceptibility of larvae and adults was negatively associated with the age and positively associated with the fungal spore concentration. In all the stages from I instar to adult, the highest mortality was observed in 10% of 1x10<sup>9</sup> spores/ml concentration of <em style="mso-bidi-font-style: normal;">B. bassiana</em> among 1, 2.5, 5 & 10% of 1x10<sup>9</sup> spores/ml concentration.<span style="mso-spacerun: yes;">  </span>It was also reflected in probit analysis that the concentration of spores required to kill fifty percent of the population was ranges from 0.09% to 5.98% of 1x10<sup>9</sup> spores/ml concentration of <em style="mso-bidi-font-style: normal;">B. bassiana</em> and 1.02% to 9.72% of 1x10<sup>9</sup> spores/ml concentration of <em style="mso-bidi-font-style: normal;">M. anisopliae</em>. The larvae of I instar have shown highest mortality, which gradually decreased with the increase in age or decrease in the concentration of fungal spores. Mass production of <em style="mso-bidi-font-style: normal;">B. bassiana</em> using different substrates was attempted to harvest ample amount of spores. This study revealed that spore production was directly proportional to the mycelial weight and incubation period. From the seven substrates tested, wheat flour was identified as one of the suitable substrates for the mass production of <em style="mso-bidi-font-style: normal;">B. bassiana</em>.<span style="mso-spacerun: yes;">  </span>A field trial was conducted to test their efficacy under field conditions. 72-93% mortality was observed in field conditions.</span></p><p style="text-align: center;"><span style="font-size: 10pt; line-height: 110%; font-family: Garamond; mso-fareast-font-family: SimSun; mso-fareast-language: ZH-CN; mso-bidi-font-family: ’Times New Roman’; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">-----------------------------------------------------------------------------------------------------</span></p><span style="font-size: 10pt; line-height: 110%; font-family: Garamond; mso-fareast-font-family: SimSun; mso-fareast-language: ZH-CN; mso-bidi-font-family: ’Times New Roman’; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"><p class="MsoNormal" style="margin: 0in 0in 0pt; text-indent: 0in; line-height: normal; text-align: left;" align="left"><em><span style="font-size: 10pt; font-family: Garamond;">Division of Bioprospecting, Institute of Forest Genetics and Tree Breeding, Coimbatore-641002, Tamilnadu, India</span></em></p><p class="MsoNormal" style="margin: 6pt 0in 0pt; text-indent: 0in; line-height: normal; text-align: left;" align="left"><em><sup><span style="font-size: 10pt; font-family: Garamond;">*</span></sup></em><em><span style="font-size: 10pt; font-family: Garamond;">Corresponding author, Email: <a href="mailto:senthilnj@hotmail.com">senthilnj@hotmail.com</a></span></em></p><p class="MsoNormal" style="margin: 6pt 0in 0pt; text-indent: 0in; line-height: normal; text-align: left;" align="left"><em></em>Cite This Article As: <em><span style="font-size: 10pt; font-family: Garamond;">N. Senthilkumar and S. Murugesan. 2010. Entomopathogenic Fungi for the Management of Calopepla leayana on Gmelina arborea. J. Ecobiotechnol. 2(3): 01-06</span></em></p></span>}, number={3}, journal={Journal of Ecobiotechnology}, author={S. Murugesan, N. Senthilkumar* and}, year={2010}, month={Jul.} }