Kaewtaphan, Phissanu
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Preferred name
Kaewtaphan, Phissanu
Alternative Name
Kaewtaphan, P.
Main Affiliation
Email
phissanu.ka@kmitl.ac.th
7 results
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Item type:Publication, Comparative impact of drought stress on growth and yield traits of riceberry and KDML105 rice varieties(2025-07-01); Chotchutima, S.The impact of drought stress on the growth and yield components of two Thai rice varieties, Riceberry and KDML 105, was investigated under four irrigation levels (1,000, 3,000, 5,000, and 7,000 mL per 10 days). Significant differences were observed between the two varieties across multiple traits. KDML 105 exhibited superior stem height, dry matter accumulation, and grain production, particularly under high water availability. In contrast, Riceberry produced a greater number of tillers per hill and retained higher soil moisture under limited irrigation, indicating improved water use efficiency (WUE). While KDML 105 achieved optimal grain production and seed weight at 7,000 mL, Riceberry demonstrated superior adaptability to water-limited conditions, due to its compact morphology and effective water retention. These findings suggested that KDML 105 is better suited for water-abundant environments, whereas Riceberry is a promising variety for drought-prone areas requiring water-saving cultivation practices. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effect of arbuscular mycorrhiza and rhizobium on physiology and yield of peanut under drought conditions(2024-01-01); ; - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Influence of seed moisture content on seed quality of Bambara groundnut (Vigna subterranean L. Verdc)(2024-03-01); Anothai, J.Two varieties of bambara groundnut (Vigna subterranean L. Verdc) were evaluated for seed quality under different seed moisture contents between 8, 10 and 12%, and the seeds were stored under ambient condition for six months. Songkhla 1 maintained high germination percentage (91.11%) and high germination index (24.43) after storage for six months, whereas TVsu 1221 showed low germination percentage (54.67%) and germination index (14.83) in two months after storage. Differences among seed moisture contents were low and seed moisture content of 12% was better than seed moisture content of 8% for germination percentage and germination index. Variations between bambara groundnut varieties and seed moisture contents were low for shoot length and seedling dry weight. These parameters seemed to be not suitable for evaluation of seed quality of bambara groundnut. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effects of Parboiling on Chemical Properties, Phenolic Content and Antioxidant Capacity in Colored Landrace Rice(2024-02-01); ; Kunyanee, KannikaParboiling influences chemical compositions in rice grains. The objectives of this study were to evaluate the change in chemical content, total phenolic content and antioxidant capacity of landrace rice genotypes under parboiling conditions and to identify the genotypes suitable for production of parboiled rice. Landrace rice varieties used in this study consisted of Glam Feang, Glam Tonkeaw, Kawgum, Glam Luem Phua, Medmakham, Deang Sakonnakhon, Sang Yod, Kawniewd-eang, Mali Deang, KDML105 and RD6. Parboiling reduced fiber content, total phenolic content and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging activity in rice grains. Fiber contents were 1.46% in brown rice (unpolished rice) and 1.40% in parboiled rice (24 h of soaking and 48 h of incubation). Total phenolic contents were 205.67 mg/100 g seed in brown rice and 35.34 mg/100 g seed in parboiled rice. Antioxidant capacity (DPPH) reduced from 68.45% in brown rice to 26.23% in parboiled rice. Ash content and protein content were not significantly affected by the parboiling process. Medmakham cv. had the highest total phenolic content and antioxidant capacity in brown rice and parboiled rice. Gum Leamphea cv. and Medmakham cv. were the best genotypes for ash content, protein content, total phenolic content and antioxidant capacity (DPPH) in brown rice and parboiled rice. Glam Feang cv. had the highest protein contents in brown rice and parboiled rice although it had low total phenolic content and antioxidant capacity. Cluster analysis further showed variation among genotypes, revealing distinct groupings in brown rice and parboiled rice based on chemical properties, phenolic content and antioxidant capacity. This research significantly contributes to a better understanding on how parboiling affects rice compositions and nutritional values. It emphasizes the importance of nuanced comprehension of how different rice varieties respond to parboiling, aiding informed decisions in rice processing and selection to meet specific nutritional needs. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effect of organic fertilizer rates on grain yield and seed qualities of rice(2024-05-01); ; The effect of organic fertilizer quantity on the yield and seed qualities of Pathumthani 1 rice revealed that the highest grain yield, 3,893 kg/ha, was attained with the application of 2.24 kg N/ha of organic fertilizer, whereas rice without fertilizer exhibited the lowest yield. However, the application of 1.6 kg N/ha of organic fertilizer resulted in the highest seed germination rate, germination index, and pure seed percentage, with values of 98.00%, 32.43, and 99.71%, respectively. Conversely, applying 2.24 kg N/ha of organic fertilizer yielded the lowest seed germination rate, germination index, and pure seed percentage at 87.50%, 28.74, and 98.11%, respectively. Moreover, the 1.6 kg N/ha rate demonstrated the least inert matter and the lowest number of dead seeds. Consequently, the findings suggested that organic fertilizer should be applied at a rate of 2.24 kg N/ha to achieve high grain yields, while it is still maintained seed germination percentage of over 80%. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Optimizing Organic Fertilization for Marguerite Daisy (Argyranthemum frutescens): Impact of Application Rate and Frequency on Growth and Yield(2024-01-01); ; Edible flowers are a new market for horticulture plants. Beyond their attractive shapes and colors, this group of plants contains secondary metabolites that benefit human health. This study aims to investigate the growth and flower yield of marguerite daisies using organic fertilizer at different rates and frequencies. The experiment was designed as a factorial, completely randomized design with two factors: fertilizer rate (0.5, 1.0, and 1.5 times compared to the total nitrogen content in chemical fertilizer) and frequency of organic fertilizer application (every 30 and 15 days). Slow-release chemical fertilizer (Osmocote 13-13-13) was used as a control. The experiment reveals that the rate of organic fertilizer application significantly affected the growth and flower yield of marguerite daisy. Still, the frequency of organic fertilizer application did not significantly affect it. Application at 1.5 times yielded the most significant growth and flower production compared to 0.5 and 1 times of application. When comparing the results of organic fertilizer application with 13-13-13 chemical fertilizer, it was found that applying organic fertilizer 1.0 times and 1.5 times every 15 or 30 days resulted in similar plant growth and flower size as with the chemical fertilizer (p>0.05). However, chemical fertilizer produced the highest chlorophyll index (SPAD), accumulated flower buds, and flower blooming per pot (p<0.05). The plant requires more than 1.5 times the organic fertilizer application to achieve flower production equivalent to chemical fertilizer. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Harvesting time influences seed germination and vigour of some coloured rice varieties in Thailand(2023-03-01); The harvesting time were significantly different for all traits of seedling rice including germination percentage, mean germination time (MGT), fresh weights of shoots and roots, dried of shoots and roots. Rice harvested at 20 days after anthesis had the highest germination percentage, and plant stands in term of fresh and dried weights of roots and shoots in all varieties, and they also had the lowest mean germination time. Rice Berry and Tubtim Chumphae had higher germination percentage after storage for six months than Sang Yod variety. When harvested at 20 days after anthesis, the germination percentages of Rice Berry, Tubtim Chumphae and Song Yod were 98.00, 99.00 and 67.50, respectively.