Control of Gray Mold on Tomato plants by Spraying Piper nigrum and Urtica dioica Extracts under Greenhouse Condition

Authors

  • Hamed N. Ghazal Department of Biology, College of Sciences, University of Baghdad, Baghdad, Iraq
  • Ayyad W Al-Shahwany Department of Biology, College of Sciences, University of Baghdad, Baghdad, Iraq
  • Firas T. Al–Dulaimy State Culture for Agric., Res, Ministry of Agriculture, Baghdad, Iraq

DOI:

https://doi.org/10.24996/ijs.2019.60.5.4

Keywords:

Tomato, gray mold, induced resistance, Disease severity

Abstract

Field experimented were examined the effects of Piper nigrum and Urtica dioica extracts on the gray mold disease in tomato that caused by Botrytis cinerea. To evaluate the inducing resistance of these extracts, many treatments were sprayed on tomato leaves, including methanolic and aquatic extracts, Silver nano particles biosynthesis (AgNPs) and water as (control).

The results indicated that the resistance of tomato plants was increased when tomato plant sprayed first with Methanolic P. nigrum extracts and after 4 hours sprayed with B. cinerea. Also, spraying with methanolic and aquatic AgNPs P. nigrum extract were reduced gray mold disease. These results were showed that P. nigrum AgNPs treatment reduced the gray mold of tomato leaves because of the activities of total phenolic compounds which was infected with Botrytis cinerea.

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Published

2019-05-26

Issue

Section

Biology

How to Cite

Control of Gray Mold on Tomato plants by Spraying Piper nigrum and Urtica dioica Extracts under Greenhouse Condition. (2019). Iraqi Journal of Science, 60(5), 961-971. https://doi.org/10.24996/ijs.2019.60.5.4

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