📊 Academic Activities

Seminar Announcement at the College of Agricultural Engineering Sciences - Department of Plant Protection.

Seminar entitled:

"Induction of defensive enzymes in sunflower plants treated with agrochemicals against Macrophomina phaseolina"

Given by:

Dr. Wazeer Ali Hassan

Dr. Khadeeja Ahmed Sido

on Wednesday, February 07, 2024, at 11:00 AM

Objectives or Summary:

This study was carried out for the estimation of polyphenols (TP) and induction of oxidative enzymes polyphenol oxidase (PPO) and peroxidase (POD) in sunflower plants through seed immersion in agrochemicals of salicylic acid (SA) and water soluble chitosan (CH) in addition to a conidial suspension of Trichoderma harzianum and then analysis of plant content of carbohydrates and protein. The highest level of PPO 253.3 U ꞏ min–1 was detected in 50 ppm SA for 6 h. Next was T. harzianum when catalyzed PPO with 193.67 U ꞏ min –1. Peroxidase was substantially catalyzed in accordance with the increment of inducers. Sunflower roots induced TP with up to 4.88 mg ꞏ g–1 in plants treated with SA at 50 ppm for 6 h and then declined with an increasing SA dose.

Place of the Seminar:

Seminar Hall of Plant Protection Department, College of Agricultural Engineering Sciences, University of Duhok.