Kramchote, Somsak
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Preferred name
Kramchote, Somsak
Alternative Name
Kramchote, S.
Main Affiliation
Email
somsak.kr@kmitl.ac.th
14 results
Now showing 1 - 10 of 14
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Item type:Publication, Gene actions of resistance to anthracnose (Colletotrichum acutatum) of six F1 hybrid chili cultivars at the mature green fruit stage(2023-01-01); ; - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effects of Aloe vera Gel Coating on Quality and Shelf Life of Lime (Citrus aurantifolia) Fruit During Ambient Storage(2022-01-01); Lime (Citrus aurantiifolia var. Pan) fruits were coated with Aloe vera gel (AVG) at 0 (distilled water as control), 10, 20, 30, 40, and 50% concentration as a 5 min dip and stored at ambient temperature (29 ± 1°C, 74 ± 5% RH) for 16 days. AVG coating markedly slowed fruit yellowing based on color scores and CIE L*, a*, and b* values, resulting in an increase in shelf life of about four days longer than that of the control (10 days). It did not significantly affect other fruit responses; AVG-coated and uncoated fruit had comparable weight loss, juice content, total soluble solids (TSS), titratable acidity (TA), and vitamin C content. Thus, AVG coating improved shelf life of lime primarily through delayed yellowing without adverse effects on other physicochemical attributes. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Combining ability analysis in anthracnose-resistant introgression inbreds and developing improved resistant lines of pepper (Capsicum annuum L.)(2025-01-01); - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Improving Pepper Inbreds for Resistance to Pepper Yellow Leaf Curl Thailand Virus (PepYLCTHV) through Challenged Inoculations(2024-09-01); ; - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Preharvest Chitosan Effects on Growth, Yield and Quality of ‘Super Hot’ and ‘Num Khao’ Chili Pepper (Capsicum annuum L.)(2022-01-01); Two chili pepper (Capsicum annuum L.) cultivars ‘Super Hot’ and ‘Num Khao’ grown under field conditions in Thailand were sprayed with 0 (distilled water, control), 25, 50, 100, and 200 ppm chitosan after one week from transplanting and weekly thereafter for five weeks. Chitosan spray improved vegetative growth of both cultivars as measured by increased canopy size. It also increased the plant height of the ‘Super Hot’ cultivar and reduced leaf curl incidence in the ‘Num Khao’ cultivar. Leaf size and chlorophyll content were not significantly affected. Fruit were harvested from cultivars at the commercial maturity stage; that is, the red-ripe stage for ‘Super Hot’ and light green stage for ‘Num Khao’. From the four harvests at weekly intervals, chitosan treatment increased the ‘Super Hot’ yield because of greater fruit production and increased fruit size and there was a higher number of fruit per plant produced by the ‘Num Khao’ cultivar. Fruit color (L*, a*, b*, and sensory color) was not affected, but overall acceptability increased in response to chitosan spray due to improved size and quality of the ‘Super Hot’ cultivar and improved appearance, size and glossiness of the ‘Num Khao’ cultivar. Chitosan at 50 ppm appeared to be the optimum concentration to induce the above effects in both cultivars. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effect of Trichoderma harzianum against Fusarium oxysporum in resistant and susceptible tomato cultivars(2025-01-01); - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Phenols and peroxidase activity in Pepper yellow leaf curl Thailand virus (PepYLCThV) resistant and susceptible chili (Capsicum annuum L.) genotypes(2020-07-01); ; - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Antioxidant Potential, Phenolic Content, and Nitrate/Nitrite Content in Various Lettuce Varieties(2024-01-01); - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Differential Biochemical Responses of Resistant and Susceptible Genotypes of Chili to Pepper Yellow Leaf Curl Thailand Virus(2025-09-01); ; Tsai, Wen ShiChili (Capsicum annuum L.) production is threatened by the pepper yellow leaf curl virus (PepLCV), transmitted by whiteflies, leading to reduced yields. This study investigated the biochemical changes in two chili genotypes, PEP6 (tolerant to PepLCV) and Homsuphan (susceptible to PepLCV), following inoculation with the Thailand strain of PepLCV (known as Pepper Yellow Leaf Curl Thailand Virus, PepYLCTHV). Inoculation was performed using whitefly transmission (WF) and graft transmission (GT) methods, and disease severity was evaluated using a standardized index. The level of total phenolic compounds and the activities of peroxidase (POD) and polyphenol oxidase (PPO) enzymes were analyzed in virus-infected plants and compared with those in uninoculated controls. Both chili genotypes exhibited a more rapid increase in disease severity when inoculated with WF than with GT. In PEP6, disease severity was lower than Homsuphan in both WF and GT inoculations. Disease severity in WT-inoculated PEP6 plants increased gradually, reaching 100% by day 36, whereas Homsuphan plants had a more rapid progression, attaining 100% by day 21. The GT method led to slower disease severity progression in both genotypes, reaching 80–85% by day 36. In PEP6 plants, total phenolic compound content increased significantly following WF, indicating an active defense response, whereas levels remained stable in GT plants. Phenolic content in the tolerant genotype Homsuphan remained stable across all conditions. Notably, peroxidase (POD) activity was elevated in GT plants of both genotypes, which correlated with reduced disease severity. Polyphenol oxidase (PPO) activity was lowest in control plants, but WT and GT increased the PPO level. Among the treatments, GT induced the highest PPO activity, which was associated with the lowest disease severity. These findings suggest that GT may enhance disease resistance by modulating phenolic compound accumulation and increasing POD and PPO activity. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Growth and Yield of Watermelon (Citrullus lanatus) in Plastic House in Response to White LED Supplementary Lighting(2023-01-01);