Potentials of Arbuscular Mycorrhiza Fungi (AMF) and Neem (Azadirachta indica A. Juss.) Leaves Extract as Biological Control Agents against the Sweet Potato Weevil (Cylas puncticollis Boh.) in Two Agro-ecological Zones of Cameroon
Journal Title: Journal of Experimental Agriculture International - Year 2017, Vol 17, Issue 1
Abstract
Sweet potato [Ipomea batatas (L.) Lam.] ranks second in production and value after cassava among the root crops in Cameroon. Its production has been declining mainly due to the damaging effects of Cylas puncticolis Boheman (Coleoptera: Apionidae), its primary pest. Therefore, this study was carried out to determine the effectiveness of Arbuscular Mycorrhiza Fungi, aqueous neem leaves extract and synthetic chemical fertilizer-NPK against C. puncticolis. The experiment was conducted under field conditions at Garoua and Ngaoundere, respectively in the agro-ecological zone I and II, and during the two consecutive cropping seasons of 2013 and 2014. Results indicate that, whereas mycorrhiza improved the stem length by 58 and 64%, the combination neem-mycorrhiza did so by 59 and 66%, respectively for the local and the TIB1 sweet potato varieties compared to treatment control that weakly enhanced the stem length. Neem-mycorrhiza and Arbuscular Mycorrhiza alone in this order contributed to a significant (p < 0.05) reduction of damages caused to the local sweet potato variety by C. puncticollis within the two agro-ecological zones. Among the cultivated varieties used in the field, the local variety proved to be more resistant to pest infestations, despite its low yield (12.65 t/ha) compared to the improved variety TIB1 (15.82 t/ha).
Authors and Affiliations
Minista Issa, Albert Ngakou, Christophe Laba Haouvang, Elias N. Nukenine
Keywords
Related Articles
- EP ID EP315417
- DOI 10.9734/JEAI/2017/35248
- Views 96
- Downloads 0
Screening of Potato Varieties under Litchi Based Agroforestry System
Aims: To evaluate the performance of eight potato varieties and identify the best variety under litchi based Agroforestry system. Study Design: The treatments were laid out with two factors RCBD following three replicati...
The Effect of Different Doses of Calcium Nitrate Applications on Some Phytonutrient Element Contents of Leafy Parsley (Petroselinum crispum (Mill.)) Plant
Leafy parsley (Petroselinum crispum (Mill)) plant is an important source of Ca for human and 100 grams of leafy parsley plant provides 200-300 grams of Ca. This research was conducted to determine the different doses of...
Soil Fertility as a Predictor of the Geospatial Distribution of Forest Species in Natural Regeneration in Brazil
The relationship between soil attributes and spatial distribution variability of tree and shrub vegetation, specifically those in process of natural regeneration, can be an important tool for understanding the ecology of...
The Effect of Jasmonic Acid (JA) as Seed Treatment and Soil Drench on Morphological Parameters of Moneymaker Tomatoe (Solanum lycopersicum L.)
The aim of this research was to determine the effect of Jasmonic Acid (JA) application on some morphological parameters of money maker tomatoe. This research was undertaken in Lancaster Environmental centre glasshouse, L...
Screening of Maize (Zea mays L.) Genotypes for Adaptation on Contrasted Acid Soils in the Humid Forest Zone of Cameroon
Soil acidity is a major limiting factor for maize productivity in the humid forest zone of Cameroon. A yield loss of up to 60% has been reported in acid tolerant population. The objective of this study was to determine t...