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V. Geethalakshmi

Tamil Nadu Agricultural University Coimbatore, INDIA

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BIOCHEMICAL VARIABILITY STUDIES FOR DISEASE RESISTANCE IN GRAPE GERMPLASM AGAINST POWDERY MILDEW (UNCINULA NEGATOR) (SCHW) BUR ALONG WITH SOME VARIETAL CHARACTERS*

K. Dhanumjayarao1, P.C. Jindal, Room Singh, G.C. Srivastava, R.C. Sharma

Affiliations

¹Department of Fruits and Horticulture Technology, Indian Agricultural Research Institute, New Delhi - 110 012, India

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Cite article:- Dhanumjayarao1 K., Jindal P.C., Singh Room, Srivastava G.C., Sharma R.C. (2025). BIOCHEMICAL VARIABILITY STUDIES FOR DISEASE RESISTANCE IN GRAPE GERMPLASM AGAINST POWDERY MILDEW (UNCINULA NEGATOR) (SCHW) BUR ALONG WITH SOME VARIETAL CHARACTERS*. Indian Journal of Agricultural Research. 40(3): 212 - 215. doi: .

ABSTRACT

Higher total acidity enhances resistance. Higher total sugars and reducing sugars enhance
susceptibility to powdery mildew disease in grape. High varietal variation was found to disease
intensity. Leaf area, leaf lamina thicknesses have no role and stomatal density has role in disease
intensity.

KEYWORDS

REFERENCES

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