ABSTRACT:The effects of two fertilizer types with 3 concentrations on growth of staghorn fern (Platycerium coronarium) were studied. This experiment was conducted at the nursery of Division of Crop Production, Faculty of Agricultural Technology, Rajamangala University of Technology Thanyaburi, during October and December 2013. It was laid out in a RCBD with 4 replications and consisted of seven treatments. The treatments were application of: water, a 21-21-21 fertilizer with the concentration of 0.5 g/l, 1.5 g/l, 3g/l, Bio-fertilizer with the concentration of 1 ml/l, 2 ml/l and 3 ml/l of water. Leaf length, leaf width and canopy width of the ferns were measured. The data were subjected to ANOVA, followed by Duncan's Multiple Range Test at 5% level of significance. No significant difference among treatments was found. However, the water showed the best result. It gave 108.79 mm average canopy width, 3.13 mm average leaf length and 89.67 mm average leaf width.
The increasing demands of gardeners have made peat moss a popular option as a planting material. However, the price of peat moss has increased recently. Therefore, alternative substances for use as a planting material need to be studied. The root of the bird's nest fern offers a cheaper, easier to produce and more readily available source for a planting material than peat moss. The objective of this research was to increase root mass growth by using drip irrigation. With an experimental design using CRD, two-year old bird's nest ferns with root mass sizes of 5 inches were watered by means of a drip irrigation method at rates of 200, 400, 600, 800 and 1,000 ml every 3 days. The data measured were root mass height, root mass diameter, leaf length, leaf width and canopy width. The data were analyzed by ANOVA and the differences between the means of treatment were compared by DMRT. The research found that the ferns which received water at a rate of 800 ml produced a root mass height of 11.06 cm and a root mass diameter of 11.93 cm. They were significantly different (p<0.05). The ferns which received water at a rate of 200 ml produced a leaf length of 29.52cm and a leaf width of 9.55 cm. The amount of water causes fern growth to significantly different (p<0.01). The 800 ml rate of drip irrigation also produced the largest canopy width of 48.12 cm.
This study was conducted at the nursery of the Crop Production Department, Faculty of Agricultural Technology, Rajamangala University of Technology, from February to August 2015. The effects of two factors on the growth of P. coronarium ferns in the young sporophyte phase were assessed using a factorial in CRD experiment. Factor A consisted of 3 watering frequencies: watered every day, every two days and every three days. Factor B consisted of 4 levels of a commercial slow-released-fertilizer (SRF: 13-13-13, 3 months): 0 g, 1 g, 2 g and 3 g per pot. It was found that the ferns which received water once every three days possessed the highest canopy of 29.47 cm, a sterile leaf width of 14.054 cm, a fertile leaf width of 22.58 cm and a fertile leaf length of 22.20 cm. On the other hand, the fertilizer level of 2 g gave the highest canopy of 27.31cm and a sterile leaf width of 14.63 cm, while the fertilizer level of 3 g gave the biggest fertile leaf width of 21.54 cm and a fertile leaf length of 19.62 cm. However, no interaction between the two factors was demonstrated.
Many native plants have valuable uses that have yet to be discovered. The clover fern is an aquatic fern which could possibly be used as a planting material. The purpose of this study was to determine the effects of soil depth on the growth of the clover fern (Marsilea crenata C. Presl.) and also to explore the uses of the clover fern on the germination of fern spores. The soil depths tested were: 5, 10, 15, 20 and 25 cm in planting pots. Observations were made on 3 replications in an RCBD experiment. The mean comparisons were made using Duncan's test at a significance level of 0.05. It was found that the ferns at a soil depth of 15 cm possessed the longest internode length of 7.43 cm. Ferns at a soil depth of 20 cm possessed the longest stalk length of 16.16 cm and ferns at a soil depth of 25 cm showed the widest leaf diameter at 4.00 cm. The clover ferns at a soil depth of 25 cm demonstrated the highest fresh and dry weights at 971.11 g and 146.11 g respectively (p<0.05). Uses of these clover ferns on the germination of fern spores were tested along with peat moss. Both germination materials were tested on their own and in a series of mixes. Germination was observed in two of the mix ratios, but that germination rate was low. This study indicates that clover ferns should be studied further for use as a planting material.
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