Nitthaisong, Pattama

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Nitthaisong, Pattama
Alternative Name
Nitthaisong, P.
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Email
pattama.ni@kmitl.ac.th

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    Optimum potassium fertilizer rate for growth, biomass yield, and fuel properties of Leucaena (Leucaena leucocephala) cv. Tarramba in sandy soil
    (2025-05-01)
    Nitthaisong, P.
    ;
    Thupwong, K.
    ;
    Tonmukayakul, N.
    ;
    Utharapan, J.
    ;
    Chaisan, T.
    The results showed that the 187.5, 375 and 750 kg ha<sup>-1</sup> application rates increased plant height and stem diameter, while the control (0 kg ha<sup>-1</sup>) showed a potassium deficit, resulting in stem dieback. High leaf, branch, and stem yield were found at application rates greater than 93.75 kg ha<sup>−1</sup>, while plant height, stem diameter and biomass yield were slightly further increased in the 187.5, 375 and 750 kg ha<sup>-1</sup> treatments. Regarding fuel properties, the potassium application rate did not affect the heating value and ash content but decreased the N and S contents. The potassium content tended to increase with increased potassium application rate. However, the leucaena wood under all the treatments had suitable fuel properties for use as a fuel crop.
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    Tiller Number and Flowering Ability on BC1F1 Progeny of Interspecific Hybridization in Ruzigrass (Urochloa ruziziensis)
    (2023-12-14)
    Sidik Prasojo, Yogi
    ;
    Nitthaisong, Pattama
    ;
    Muguerza, Melody
    ;
    Kamphayae, Sukanya
    ;
    Umami, Nafiatul
    The objective of this study focusing on production BC<inf>1</inf>F<inf>1</inf> progeny of interspecific hybridization in ruzigrass (Urochloa ruziziensis) were to evaluate potential of pentaploid BC<inf>1</inf>F<inf>1</inf> hybrid for seed propagation by associating with their tiller number, flowering, and shattering ability. In addition, we evaluate the function of various nitrogen dose on vegetative stages. Eight different genotypes were examined: B. ruziziensis 'Kennedy', B. decumbens 'Basilisk', pentaploid BC<inf>1</inf>F<inf>1</inf> line derived from B. ruziziensis and Mulato (RM), pentaploid BC<inf>1</inf>F<inf>1</inf> line derived from diploid B. ruziziensis and tetraploid B. ruziziensis (RR), and pentaploid BC<inf>1</inf>F<inf>1</inf> lines derived from B. ruziziensis and B. decumbens (RD 1-4). The experimental plants treated with three level of nitrogen fertilizer (0, 4, and 8 kg/10a). Compared with parental line, RM line had high tiller number along with increasing level of nitrogen. For the flowering and shattering ability, the first lines to flowered and shattered was the pentaploid BC<inf>1</inf>F<inf>1</inf> (RD 1-4), RR, and B. decumbens. Pentaploid BC<inf>1</inf>F<inf>1</inf> lines derived from B. ruziziensis and B. decumbens (RD 1-4) had potential for seed propagation by associating with their flowering and shattering ability, while pentaploid BC<inf>1</inf>F<inf>1</inf> line derived from B. ruziziensis and Mulato (RM) had the potential biomass production and yield ability by associating with its tiller number production.
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    Tissue Culture and Somatic Embryogenesis in Warm-Season Grasses—Current Status and Its Applications: A Review
    (2022-05-01)
    Muguerza, Melody Ballitoc
    ;
    Gondo, Takahiro
    ;
    Ishigaki, Genki
    ;
    Shimamoto, Yasuyo
    ;
    Umami, Nafiatul
    Warm-season grasses are C4 plants and have a high capacity for biomass productivity. These grasses are utilized in many agricultural production systems with their greatest value as feeds for livestock, bioethanol, and turf. However, many important warm-season perennial grasses mul-tiply either by vegetative propagation or form their seeds by an asexual mode of reproduction called apomixis. Therefore, the improvement of these grasses by conventional breeding is difficult and is dependent on the availability of natural genetic variation and its manipulation through breeding and selection. Recent studies have indicated that plant tissue culture system through somatic em-bryogenesis complements and could further develop conventional breeding programs by micro-propagation, somaclonal variation, somatic hybridization, genetic transformation, and genome ed-iting. This review summarizes the tissue culture and somatic embryogenesis in warm-season grasses and focus on current status and above applications including the author’s progress.
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    Evaluation of soybean (Glycine max L.) under different salinity stress on seedling growth and biochemical responses
    (2025-01-01)
    Jiamtae, P.
    ;
    Touyjaroan, T.
    ;
    Sarutayophat, T.
    ;
    Nitthaisong, P.
    The effects of NaCl concentrations (0 mM, 40 mM, 80 mM, and 120 mM) on soybean growth, physiology, and biochemical were investigated. Increasing salinity decreased plant height, root length, leaf number, leaf greenness, biomass, and chlorophyll content, while proline levels increased. There were significant interactions between cultivars and NaCl concentrations in almost all parameters. At 120 mM, plant death was found in Chiang Mai 84-2 and Chiang Mai 60 cultivars, in contrast, the cultivar Nakhon Sawan 1 exhibited no plant death at any NaCl concentration, indicating its suitability for salinity stress.
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    Effect of combination fertilizer on growth and yield of Cassava cv. Rayong9 in Thailand
    (2025-01-01)
    Srifa, T.
    ;
    Somwang, T.
    ;
    Panitnok, K.
    ;
    Yusuk, P.
    ;
    Sarutayophat, T.
    The effects of combination fertilizer applications on cassava growth, yield, and starch content (cv. Rayong 9) were investigated. Plant heights were highest in chemical fertilizer only (T3) and combined chemical fertilizer with biofertilizer (T4) treatments. Stem diameter and SPAD chlorophyll readings were significantly higher in T4 at a key growth stage. After six months of harvesting, T4 yielded the highest fresh leaves (258.75 kg ha<sup>-1</sup>) and rhizome yields (1184.75 kg ha<sup>-1</sup>). T3 produced the highest fresh root yield in eight months of 15,937.50 kg ha<sup>-1</sup>, while T4 outperformed all treatments at ten months (17,787.50 kg ha<sup>-1</sup>). However, reducing the NPK fertilizer rate to half (12.5 kg ha<sup>-1</sup>) combined with PGPR (T5) significantly enhanced cassava root yield at both the 6 and 10-month when harvested as compared to the full NPK fertilizer rate (T3, 437.5 kg ha<sup>-1</sup>) only. Moreover, T5 showed the highest starch content at six months of growth (27.14%) and harvesting at ten months (19.67%). These findings indicated that integrating biofertilizers with reduced chemical fertilizer applications is a promising approach for promoting sustainable cassava production.