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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    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.