Received: 05-06-2022
Accepted: 27-09-2022
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Assessment of the Growth and Development of Daylily(Hemerocallissp.) Genotypes in Gia Lam, Hanoi
,
Pham Thi Bich Phuong
1
,
Nguyen Anh Duc
1
,
Nguyen Xuan Truong
2
Keywords
Daylily, Hemerocallis, growth, development
Abstract
This study aimed to select new desirable genetic materials in terms of plant growth and shape, size and color of flowers for decorative daylily development program in Vietnam. Sixteen hybrid lines and three cultivars were evaluated. Each genotype was planted with 15 clusters and 2 stems for each cluster. Plant height, number of leaves per stem, flower scape size, number of buds per plant, flower sizewere recorded. All lines/cultivars showed good growth and development in Hanoi’s climate condition. The plant height ranged from 46cm (183-9) to 116.3cm (133-13), scape height was from 38.7cm (193-9) to 110cm (133-5), and flower diameter was from 12.5cm (NB2) to 18.5cm (133-13). Their flower color was grouped into three categories:red, yellow and orange with varried patterns on the flower petals. The flower scape durability last from 7 days (188-1) to 21 days (133-3), resulting in cluster durability ranging from 12 days (NB2) to 31 days (133-3). Based on the growth and development, 12 best lines/cultivars, 193-3, 183-4, 188-1, 133-3, 133-8, 133-10, 133-13, K15, K16, 133-12, NN03, and KC19 were selected.
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