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Annals of Advanced Agricultural Sciences
AS > Volume 3, Number 1, February 2019

Evaluation of Allelopathic Effects of Neem, Azadirathta indica A. Juss (Sapindales: Meliaceae) Seed Powder on the Viability of Stored Maize, Zea mays L. Seeds

Download PDF  (435 KB)PP. 1-6,  Pub. Date:February 18, 2019
DOI: 10.22606/as.2019.31001

Author(s)
Philip Wani Marchelo-d’Ragga* and Simon Duku Jebidayo
Affiliation(s)
Department of Agricultural Sciences, School of Natural Resources and Environmental Studies (SNRES), University of Juba, P.O. Box 82 Juba, Republic of South Sudan
Abstract
The present study was carried out at University of Juba Nursery (Latitude 4.50 N, Longitude 31.50 E) and 457 meters above sea level (msl) to elucidate the allelopathic effects of neem seed powder on viability of stored maize seeds. Maize variety Longe 5 was mixed with neem seed powder as a stored grain protectant at four rates of: 2.5g/kg (T1), 5.0g/kg (T2), 7.5g (T3) and 0g/kg (T4-control) neem material / kg of maize seeds.16 maize seeds were taken from each treatment and planted at the rate of four seeds/pot every month for a period of six months. The trial was arranged in a randomized complete block design, and replicated four times. The germination percentage, shoot and root lengths were recorded for each sowing date 10 days after planting (DAP) for the entire period. Data collected were analyzed by the statistical package MSTATC and means separated by LSD test at P<0.05 probability level. Mean germination percentage was 84.4%, 85.5%, 82.3% and 86.5% for T1, T2, T3 and T4 neem preparations, respectively. Shoot and root lengths were not significantly (P<0.05) affected by the different concentrations of neem seed powder preparations tested. Neem seed powder has no harmful alleopathic effects on maize seed viability and germination for up to the tested period of six months. The abstract should summarize the contents of the paper and should contain at least 70 and at most 150 words. It should be set in 9-point font size and should be inset 1.0 cm from the right and left margins. There should be two blank (10-point) lines before and after the abstract. This document is in the required format.
Keywords
Neem, Azadirachta indica, allelopathy, maize, seed viability, storage
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