Aninbon, Chorkaew

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Preferred name
Aninbon, Chorkaew
Alternative Name
Aninbon, C.
Main Affiliation
Email
chorkaew.an@kmitl.ac.th

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    Item type:Publication,
    Stability of Phenols, Antioxidant Capacity and Grain Yield of Six Rice Genotypes
    (2023-08-01)
    Kunnam, Juthathip
    ;
    Pinta, Wanwipa
    ;
    Ruttanaprasert, Ruttanachira
    ;
    Bunphan, Darika
    ;
    Thabthimtho, Thanasin
    The environment is the main factor affecting variations in phytochemicals and antioxidant activity in rice. The objective of this study was to evaluate the stability of grain yield, phytochemicals and antioxidant capacity of six rice genotypes. Six rice genotypes were evaluated in a randomized complete block design with three replicates at three locations in Trat, Bangkok and Sakon Nakhon provinces in July–October 2019. Data on grain yield, yield components, total phenolic content, ferulic acid and antioxidant capacity were recorded. Grain yield was highest for crops grown in Bangkok, whereas antioxidant activity was highest for crops grown in Bangkok and Sakon Nakhon. Hom Nang Nual 1 and Mali Nil Boran had the highest grain yield. Riceberry had the highest grain yield in Trat; it also had high levels of total phenolic compounds, ferulic acid and antioxidant activity. Mali Nil Boran, Mali Nil Surin and Riceberry had the most stable total phenolic content, ferulic acid and antioxidant activity, respectively. Information on the levels and variability of phytochemicals in rice enables the selection of genotypes with high and stabile phytochemicals for production and rice breeding.
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    Item type:Publication,
    Impact of Mid-Season Drought on Tuber Yield, Biomass, Harvest Index, and Water-Use Efficiency of Jerusalem Artichoke in Tropical Regions
    (2025-02-01)
    Ruttanaprasert, Ruttanachira
    ;
    Jogloy, Sanun
    ;
    Kaewkhieo-Ngam, Thanawat
    ;
    Janket, Anon
    ;
    Puttha, Ratchanee
    Mid-season drought is increasingly recognized as a major constraint on tuber production in Jerusalem artichoke. The ability of different genotypes to maintain high yields under such conditions is a critical component of drought tolerance. This study aimed to investigate the effects of mid-season drought on tuber yield, biomass, harvest index, tuber water-use efficiency (WUEt), and biomass water-use efficiency (WUEb) across various Jerusalem artichoke genotypes with differing levels of drought tolerance. The experiment was conducted in pots using a 2 × 5 factorial combination in a randomized complete block design with four replications over two years. Factor A consisted of two water regimes: field capacity (FC) and mid-season drought. Factor B included five genotypes: JA 3, JA 125, JA 15, JA 89, and CN 52867. Mid-season drought significantly reduced tuber dry weight, biomass, WUEt, and WUEb, while increasing the harvest index. Significant differences were observed among genotypes for tuber dry weight, biomass, harvest index, WUEt, and WUEb under both water regimes. CN 52867 and JA 89 were characterized as drought-tolerant genotypes with high water-use efficiency and high yield potential. JA 3 was also noted for its lower yield reduction under stress. These three genotypes serve as valuable genetic resources for breeding programs aimed at developing progeny populations with enhanced yield potential and drought tolerance, particularly for mid-season drought-prone environments.