A study on the agro - biological characteristics of some tomato accessions at the nationnal plant genebank

Abstract

Fifty tomato accessions conservated at the National Plant Genebank in the autumn - winter crop of 2023 in An Khanh commune, Hoai Duc district, Ha Noi city. The results showed the diversity in fruit morphology of tomato accessions. Characteristics of fruit shape, ripe fruit color, fruit flesh color and fruit firmness show different states. The growth time of each stage from sowing to the final harvest is also diverse, especially the time of fruit harvest. The number of fruits/plant is greatly affected by the GxMT interaction, so the coefficient of variation is the highest. Therefore, the yield also fluctuates greatly. This shows the diversity among the accession in the group. From the evaluation results, 5 accesions were selected, namely accesions: SDK 5684, SDK 7526, SDK 15424, SDK 15430, SDK 7672. This is the basis for selecting elite accessions with yield potential to introduce into production.