The quality of growth and yield of Pleurotus Norida on wild water spinach Jpomea aquatica and sawdust as substrates

Chong, Pui Khee (2017) The quality of growth and yield of Pleurotus Norida on wild water spinach Jpomea aquatica and sawdust as substrates. Universiti Malaysia Sabah. (Unpublished)

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Abstract

A field experiment was conducted in the mushroom house of Faculty of Sustainable Agriculture, University Malaysia Sabah, Sandakan, Sabah (5.929665'N, 118.010928'E) to do the comparison between the wild water spinach (Ipomea aquatica) and sawdust as substrates for the growth and yield of white oyster mushroom (Pleurotus florida). The objectives of the study were to compare the growth and the yield of white oyster mushroom (P/eurotus florida) which will grow on sawdust and wild water spinach (Ipomea aquatica). The experimental design of this study was Completely Randomized Design (CRD). There were total five treatments which were 100% of sawdust (Controlled), mixture of 75% sawdust and 25% wild water spinach (Ipomea aquatica), mixture of 50% sawdust and 50% wild water spinach (Ipomea aquatica), mixture of 25% sawdust and 75% wild water spinach (Ipomea aquatica), and 100% of wild water spinach (Ipomea aquatica) each of them was replicated 3 times. Each replicate weighs 500 gram. Results were analysed by Statistical Analysis System (SAS), using One-way ANOVA procedure to test the effect between the wild water spinach (Ipomea aquatica) and sawdust as substrates for white oyster mushroom (Pleurotus florida) on the growth and production of the fruitbody. The results showed that there were no significant difference found in the length of the stem (p>0.05). In contrast, there were significant differences (p<0.05) in duration for complete mycelium run, duration for primordia formation, duration for fruitbody development, number of fruitbody, fresh weight, dry weight, moisture content, diameter of the cap, and biological efficiency. From this study, T1 (100% Sawdust) required the least number of days (16.67±0.58 days) in completion of mycelium run but shortest duration for the primordia to initiate belongs to T 2 (75% Sawdust +25% Ipomea aquatica) which only required 3.33±0.58 days. For duration of fruitbody development, T1 (100% Sawdust) required the shortest duration for the fruitbody to develop which was 2.00 days. T1 (100% Sawdust) was the treatment with the significant highest number of fruitbody which was 10.00±2.00. The highest fresh weight of fruitbody was harvested from T1 (100% Sawdust) which was 31.23±1.63g while the highest dry weight of fruitbody was obtained from T 2 (75% Sawdust +25% Ipomea aquatica) which had 4.64±1.33g in weight and it was statistically similar with T1 (100% Sawdust) and T3 (50% Sawdust +50% Ipomea aquatica). The maximum moisture content of fruitbody from T1 (Control) was 86.00±0.96%, while T3 was the treatment with the minimum moisture content (54.83±3.30%) compared to other treatments. For the length of the stem, all treatments were statistically similar but numerically different to each of the treatments. Based on the numerical reading, it was indicated that T2 (75% Sawdust +25% Ipomea aquatica) produced the longest stem in average which was 2.91±0.88cm in length. Diameter of the cap obtained from T 1 (100% Sawdust) had the largest diameter (4.65±0.32cm) among the treatments. T1 (100% Sawdust) was the treatment with the highest biological efficiency (18.37±0.96%) among the treatments whereas Ts (100% Ipomea aquatica) had the lowest biological efficiency which were 2.29±1.02%. Hence, this study showed that the sawdust is the recommended substrate for Pleurotus florida and Ipomea aquatica failed to perform well with 100% composition in substrates but it might be recommended as a supplemental material to use with sawdust in Pleurotus floridacultivation so that the usage of sawdust could be minimised.

Item Type: Academic Exercise
Uncontrolled Keywords: Mushroom , Sabah , agriculture
Subjects: S Agriculture > S Agriculture (General)
Divisions: FACULTY > Faculty of Sustainable Agriculture
Depositing User: Noraini
Date Deposited: 01 Nov 2019 00:18
Last Modified: 01 Nov 2019 00:18
URI: http://eprints.ums.edu.my/id/eprint/23963

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