1Plant Pathology Unit, Tamil Nadu Rice Research Institute, Tamil Nadu Agricultural university, Aduthurai, Thanjavur District
2Coconut Research Station, Tamil Nadu Agricultural University, Aliyarnagar-642 101
3Department of Plant Pathology, Centre for Plant Protection studies, Tamil Nadu Agricultural university, Coimbatore-3
4Agricultural College Research Institute, Tamil Nadu Agricultural university, Keezhvelur, Nagapattinam District
*Corresponding Author: alokamaralanda@gmail.com
Online published on 30 April, 2025.
The isolate I 7 produced the higher disease powdery mildew in Blackgram by recording percent disease index (PDI) of 78.37.PCR amplified product of Ampelomyces spp showed the size of 400 bp in 1.8% agarose gel. Analysis of double pass sequence results indicated that the sequence was 18S rRNA intervening region of the fungi Ampelomyces quisqualis; Ampelomyces quisqualis were able to exert significant influence in reducing sporulation of E. polygoni. Ampelomyces quisqualis was the most effective one recording the highest reduction of sporulation of 56.28 %. Ampelomyces quisqualis was the most effective one recording the highest reduction of germ tube growth of 58.09 %
Ampelomyces-sporulation, Germtube elongation, Sporulation, Erysiphe polygoni
