Research Paper on Vegetative propagation of Anonidium mannii (Oliver) Engler & Diels (Annonaceae) by Paluku Augustin

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Paluku Augustin, Tsobeng Alain, Okungo Albert, Tchoundjeu Zacharie, Bwama Marcel and Van Damme Patrick wrote a research paper on Anonidium mannii entitle of “Vegetative propagation of Anonidium mannii (Oliver) Engler & Diels (Annonaceae) by leafy stem cuttings in Kisangani, DR Congo“

This study tested the influence of substrate type, size surface and application of IBA auxin on rooting of stem cutting leaf of Anonidium mannii, a wild fruit species with low seed germination rate. Two trials were conducted. The first tested three substrate types that are sand, wood sawdust and rice husks. We also tested combinations of these substrates (2:2), resulting in six treatments in a randomized complete block design.

Evaluation of cotton waste, paper waste and jatropha cake for culture of Pleurotus sajor-caju under different pasteurization methods – IJAAR

James Chitamba, Marphios Shamuyarira, Farayi Dube, Nhamo Mudada, Stenly Mapurazi

Department of Agronomy, Midlands State University, P. Bag 9055, Gweru, Zimbabwe

Department of Agricultural Science, Bindura University of Science Education, P. Bag 1020, Bindura, Zimbabwe

Cotton Research Institute, P. Bag 765, Kadoma, Zimbabwe

Department of Environmental Science, Bindura University of Science Education, P. Bag 1020, Bindura, Zimbabwe

Key words: Pleurotus sajor-caju, substrate, pasteurization, biological efficiency.

Abstract

Identification of suitable substrate material and correct substrate pasteurization method is critical for successful oyster mushroom (Pleurotus sajor-caju) culture. An experiment was undertaken in a mushroom growing house to evaluate the effect of two pasteurization methods (boiling and use of Na hypochlorite)

Evaluation of cotton waste, paper waste and jatropha cake for culture of Pleurotus sajor-caju under different pasteurization methods

James Chitamba, Marphios Shamuyarira, Farayi Dube, Nhamo Mudada, Stenly Mapurazi

Department of Agronomy, Midlands State University, P. Bag 9055, Gweru, Zimbabwe

Department of Agricultural Science, Bindura University of Science Education, P. Bag 1020, Bindura, Zimbabwe

Cotton Research Institute, P. Bag 765, Kadoma, Zimbabwe

Department of Environmental Science, Bindura University of Science Education, P. Bag 1020, Bindura, Zimbabwe

Key words: Pleurotus sajor-caju, substrate, pasteurization, biological efficiency.

Abstract

Identification of suitable substrate material and correct substrate pasteurization method is critical for successful oyster mushroom (Pleurotus sajor-caju) culture. An experiment was undertaken in a mushroom growing house to evaluate the effect of two pasteurization methods (boiling and use of Na hypochlorite) for P. sajor-caju culture on different substrates (cotton waste, waste paper and jatropha cake). A 3×2 factorial laid out in a completely randomized design (CRD) with three replications was used. Spawning was done at a rate of 8% and only the first three flushes were considered for the evaluation of substrate productivity. Mean number of basidiocarps (MNB), mean basidiocarp weight (MBW), biological efficiency (BE) and number of days to first fruiting (DFF) were used to evaluate substrate productivity. No fruiting was observed on jatropha cake under either pasteurization technique. Fruiting occurred on cotton waste and waste paper under both pasteurization methods. The results showed significant interaction effect (p<0.05) of substrate type and pasteurization method on MBW, BE and DFF. Cotton waste pasteurized by boiling method had highest productivity in terms of MNB, MBW and BE while waste paper pasteurized by Na hypochlorite solution had least productivity. However, waste paper pasteurized by boiling method took fewer DFF while cotton waste pasteurized by Na hypochlorite took the longest DFF hence delayed fruiting. Cotton waste proved to be the best substrate for P. sajor-caju production while boiling was the most effective pasteurization method. Jatropha cake is not suitable for oyster mushroom culture.

Get the original articles in Source: Volume 2, Number 3, March 2012 – IJAAR

Published By: International Journal of Agronomy and Agricultural Research (IJAAR)

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