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Potency of Arati-Obd+ Organic Fertilizer on Plant-Parasitic and Free-Living Nematodes in Peppermint (Mentha Piperita L.) Field

Atungwu, J. J.; Adeoye, O. O.; Olabiyi, T. I.; Oladeji, O. A. and Eche, C. O. (2018) Potency of Arati-Obd+ Organic Fertilizer on Plant-Parasitic and Free-Living Nematodes in Peppermint (Mentha Piperita L.) Field. In: Rahmann, Gerold; Olowe, Victor Idowu; Olabiyi, Timothy Ipoola; Azim, Khalid and Olugbenga, AdeOluwa (Eds.) Ecological and Organic Agriculture Strategies for Viable Continental and National Development in the Context of the African Union's Agenda 2063. Scientific Track Proceedings of the 4th African Organic Conference. November 5-8, 2018. Saly Portudal, Senegal, pp. 153-156.

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Summary

Peppermint (Mentha piperita L.) is one of the most economical aromatic and medicinal crops useful in pharmaceutical and agro-allied industries globally. It is among the neglected crops currently receiving attention by organic agriculture experts in Nigeria. In view of the potential threat Plant-Parasitic Nematodes (PPN) pose to the crop, a study was conducted to appraise the effects of Arati-OBD+ organic fertilizer in the control of associated phytonematodes in a field in Abeokuta. Responses of Free-Living Nematodes (FLN) to the organic fertilizer were also recorded. The fertilizer was applied at 0 tha-1, 5 tha-1 or 10 tha-1, laid out in Randomized Complete Block Design with three replications. Five core soil samples were collected randomly from the rhizosphere at depth of 0-30 cm, once every month for the period of three months per plot. Soil samples per plot were bulked to form a composite sample from which 250 g sub-samples were obtained and assayed for nematode presence, type and numbers of each found. Results indicated that 11 genera of PPN were found in the organic peppermint tested. They included Helicotylenchus, Rotylenchus, Rotylenchulus, Meloidogyne, Longidorus, Aphelenchus, Radopholus, Tylenchulus, Ditylenchus, Hoplolaimus, Pratylenchus and some free-living nematodes. These nematodes varied significantly (P 0.05) across treatments. Application of Arati-OBD+ at 5 tha-1 and 10 tha-1 significantly (P 0.05) suppressed PPN compared with untreated (control) plots. Ditylenchus, Tylenchulus, Meloidogyne, Radopholus and Aphelenchus decreased by up to 100% (total control), Helicotylenchus by 73 - 50% and Rotylenchus by 60 - 33% in the treated plots while the FLN increased by as much as 18 - 47% in the soil following application 5 – 10 tha-1.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Aromatic plants, medicinal plants, organic farming, pests, phyto-nematodes
Subjects: Crop husbandry > Crop health, quality, protection
Research affiliation: International Conferences > 2018: 4th African Organic Conference
Nigeria
ISBN:978-3-86576-190-3
Related Links:http://www.afronet.bio/
Deposited By: Oladeji, Olaide Ayodele
ID Code:33026
Deposited On:23 Sep 2019 12:25
Last Modified:23 Sep 2019 12:25
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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