Measurement Of Leaf Spot Disease On Alternanthera Sessilis InRice Fields At Devarapalli Mandal, West Godavari District, Andhra Pradesh, India

Authors

  • Dondapudi spandana
  • P.K. Ratna Kumar
  • P. Indhu Keerthana
  • D. Anand Prasad
  • A. Sahithi Patnaik

DOI:

https://doi.org/10.47750/pnr.2022.13.S02.16

Keywords:

plant disease assessment, reliability, disease severity, quantification, disease severity, standard deviation, evaluation

Abstract

Alternanthera sessils often known as joy weed. It belongs to the family Amaranthaceae; is oneof the most predominant diseased weeds
in rice fields of Devarapalli mandal West Godavari district, Andhra Pradesh. The symptoms of this disease appear as reddish pink color
circular spots on the leaves. The disease severity is maximum in the month of august during kharif season. This study is mainly
concerned about measurement of disease severity using visual analysis, Image J (IJ), and Leaf doctor (LD) applications. Each diseased
leaf of the plant was exposed to visual assessment, Image J (IJ), and Leaf Doctor (LD) applications. The data was subjected to statistical
analysis. This study indicates Leaf Doctor (LD) application is accurate, easier, and faster whereas determination of diseased leaf area
with Image J (IJ) application is most suitable.

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Published

2022-10-03

Issue

Vol. 13 SPECIAL ISSUE 02 (2022)

Section

Articles

How to Cite

Measurement Of Leaf Spot Disease On Alternanthera Sessilis InRice Fields At Devarapalli Mandal, West Godavari District, Andhra Pradesh, India. (2022). Journal of Pharmaceutical Negative Results, 110-114. https://doi.org/10.47750/pnr.2022.13.S02.16