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The Effect of Pars Humic (Ammonium humate) on Reducing Damage Caused by Potato Virus Y in Cultivars Agria

The Effect of Pars Humic (Ammonium humate) on Reducing Damage Caused by Potato Virus Y in Cultivars Agria

Vahid Mollasadeghi1,2* and Samaneh Elyasi1,2

1Department of Agronomy and Plant Breeding, Ardabil branch, Islamic Azad University, Ardabil, Iran; 2Young Researchers Club, Ardabil Branch, Islamic Azad University, Ardabil, Iran.

 
*Correspondence | Vahid Mollasadeghi, Department of Agronomy and Plant Breeding, Ardabil branch, Islamic Azad University, Ardabil, Iran; Email: Vahidmollasadeghi@gmail.com

ABSTRACT

This paper investigated the effect of Pars Humic on potato cultivars Agria in Rezvanshahr city in 2020-2021 in greenhouse conditions in order to reduce the damage caused by Virus Y in potato. Pathogen-free seedlings of potatoes were propagated and grown and then transferred to sterile plastic pots with suitable soil. The randomized complete block design (RCBD) was performed in three replications. Pars Humic treatment (Ammonium Humate) was treated with control concentrations (zero), 1, 2 and 3 per thousand. PVY-activated tobacco leaf extract was used to infect the potato plant. This paper measured chlorophyll a, b, leaf area, number of leaves, stem length and tuber weight. The results showed that the symptoms of PVY were completely distinguishable on the leaves of tobacco plants compared to PVY on the leaves of Agria. PVY-infected leaves were more curled and paler than healthy leaves of cultivars Agria. The results of analysis of variance of the evaluated traits showed that the effect of PVY virus treatment was significant on chlorophyll a, b, leaf area and stem length at 1% and 5%, respectively. In addition, the effect of Pars Humic seven on chlorophyll a, b, leaf area and stem length was significant at 1% level. The results of the interaction effect of PVY virus treatment in Pars Humic were significant only for chlorophyll a, b and leaf area at 1% level. Pars Humic treatment with concentrations of 2 and 3 per thousand caused a significant reduction in PVY damage.

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Pakistan Journal of Zoology

February

Vol. 55, Iss. 1, Pages 1-500

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