Suppression of Meloidogyne javanica Infection in Peach ( Prunus persica (L.) Batsch) Using Fungal Biocontrol Agents

Muhammad Saeed, Tariq Mukhtar (), Raees Ahmed, Tanveer Ahmad and Muhammad Aamir Iqbal ()
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Muhammad Saeed: Department of Plant Pathology, Pir Mehr Ali Shah Arid Agriculture University Rawalpindi, Rawalpindi 46000, Pakistan
Tariq Mukhtar: Department of Plant Pathology, Pir Mehr Ali Shah Arid Agriculture University Rawalpindi, Rawalpindi 46000, Pakistan
Raees Ahmed: Department of Plant Pathology, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
Tanveer Ahmad: Department of Horticulture, MNS University of Agriculture, Multan 60000, Pakistan
Muhammad Aamir Iqbal: Department of Agronomy, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan

Sustainability, 2023, vol. 15, issue 18, 1-13

Abstract: In South Asian countries, the lucrative production of peaches has been seriously threatened by an assortment of biotic stresses especially nematodes. This situation compromises the achievement of sustainable development goals (SDGs) related to food security and zero hunger. Recently under changing climate, root-knot nematodes of the genus Meloidogyne have emerged as the most damaging phytopathogenic nematodes, while the efficacy of chemical control has remained limited. Therefore, a study was executed to assess the efficacy of four biocontrol agents including Pochonia chlamydosporia , Purpureocillum lilacinum , Trichoderma harzianum, and T. viride (at concentrations of 2.5 × 10 3 , 5 × 10 3 , 7.5 × 10 3 , and 1 × 10 4 ) along with nematicide Rugby and a control treatment against Meloidogyne javanica on peach. The response variables included nematode infestations in terms of number of galls, egg masses, and reproductive factors. P. lilacinus and T. harzianum (1 × 10 4 concentration) reduced the number of galls by 18% and 16%, respectively, than the control. All biocontrol agents exhibited their effectiveness by significantly reducing number of egg masses, eggs per egg mass, and reproductive factors, while these remained statistically at par to each other. The study proved that application of these biocontrol agents holds potential for controlling root-knot nematodes and might be developed as a potent strategy to replace or at least reduce the use of traditional chemicals for avoiding environmental pollution and contamination.

Keywords: ecofriendly management; reproductive factor; prunus persica; egg masses (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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