Publications by authors named "Piya Kittipadakul"

Article Synopsis
  • Cassava is a vital crop for producing starch and biofuels, and this study investigates its polysaccharide composition and efficiency of converting its pulp into sugars through genome-wide association studies (GWAS).
  • Researchers analyzed 135 inbred lines and found significant genetic variations linked to biomass traits, with notable SNPs pointing to a complex genetic makeup that influences saccharification potential and monosaccharide traits.
  • The study identified key candidate genes related to stress responses affecting cell wall composition, which offer valuable insights for breeding cassava varieties tailored for better industrial use.
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Cassava ( Crantz) was introduced to Southeast Asia in the 16th-17th centuries and has since flourished as an industrial crop. Since the 1980s, Thailand has emerged as the leading producer and exporter of cassava products. This growth coincided with the initiation of cassava breeding programs in collaboration with the International Center for Tropical Agriculture (CIAT), focusing on root yield and starch production.

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The demand by industries for large-seeded peanuts is increasing in Thailand and Southeast Asia. New large-seeded peanut lines were recently developed in Thailand to respond to the demand. In this study, a multilocation yield trial was performed to identify the best genotype(s) in Thailand's central region and investigate the genotype-environment interaction (GEI) on peanut production.

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Phenotypic analysis of cassava root crowns (CRCs) so far has been limited to visual inspection and very few measurements due to its laborious process in the field. Here, we developed a platform for acquiring 3D CRC models using close-range photogrammetry for phenotypic analysis. The state of the art is a low cost and easy to set up 3D acquisition requiring only a background sheet, a reference object and a camera, compatible with field experiments in remote areas.

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<b>Background and Objective:</b> <i>Flowering locus T</i> (<i>FT</i>) genes are involved in the flower induction mechanism in plants as florigen signals. The objective of this study was to study the relationship between the expression of <i>Flowering locus T</i> genes (<i>MeFTs</i>) in cassava and flowering traits under the different flowering induction conditions. <b>Materials and Methods:</b> The experimental design for flowering induction was RCBD for 4 replications.

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GWAS identified eight yield-related, peak starch type of waxy and wild-type starch and 21 starch pasting property-related traits (QTLs). Prediction ability of eight GS models resulted in low to high predictability, depending on trait, heritability, and genetic architecture. Cassava is both a food and an industrial crop in Africa, South America, and Asia, but knowledge of the genes that control yield and starch pasting properties remains limited.

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In Asia, cassava () is cultivated by more than 8 million farmers, driving the rural economy of many countries. The International Center for Tropical Agriculture (CIAT), in partnership with national agricultural research institutes (NARIs), instigated breeding and agronomic research in Asia, 1983. The breeding program has successfully released high-yielding cultivars resulting in an average yield increase from 13.

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