Abstract
Garlic (Allium sativum L.) is one of the important herbs worldwide. Genetic studies on Indonesian garlic germplasm are still limited. We aimed to estimate genetic parameters and analyze the Principal Component of Indonesian local garlic accessions. Augmented Block Design with three replications (blocks) was used to characterize 20 accessions with 16 accessions as ‘Test’ and four check varieties. The research was carried out at Lembang, West Java (1250 m asl) from October 2022 until March 2023. The result showed that from block-adjusted ANOVA, tested accessions gave significant differences in number of leaves, leaf length, ratio between length and width of stomata, and yield per plot. A high genotypic coefficient of variance (GCV) was observed on pseudo-stem diameter, root length, and yield per plot. It also showed that the number of leaves, the ratio between length and width of stomata, and yield per plot had high value of hBS (broad-sense heritability). Our study also showed that yield per plot had positive and significant (p<0.05) correlations with pseudo-stem diameter, leaf length, chlorophyll content, stomatal length, and root length. Principal Component Analysis showed that 82.75% of the total variance can be explained by the first three PCs viz. 57.19%, 15.27%, and 10.29% respectively.
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