IJAIR NAAS Score : 3.99 ,ISSN : 2319-1473
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Variation in Morphological and Anatomical Characteristics of some Morning Glory Accessions (Ipomoea nil sp.) Collected in Vietnam and China
- Dương Thị Duyên; Ninh Thị Phíp; Bùi Thế Khuynh
- A study was conducted to evaluate the variation in morphological, anatomical characteristics among 10 Ipomoea nil sp. accessions collected in different regions of Viet Nam and China. Results from the study showed that plants are variable in different stem color, leaf shape, leaf pubescence, leaf lobing patterns, corolla color and size. The significant difference in lateral root diameter, stem diameter, midrib diameter and in tissue thickness such as epidermis, parenchyma, collenchyma of root, stem, leaf midrib and leaf blade anatomy can be used as useful parameters for accession differentiation. Leaf morphology was found among the most variable traits. Leaf shape can be grouped into three categories: (1) simple, ovate cordate, acuminate leaf (GB2, GB5, GB6, GB9, GB10); (2): shallowly lobed, acuminate leaf (GB3, GB4, GB7); (3): deeply lobed, acuminate leaf (GB2 and GB8). Corolla color of all Morning glory accessions can be grouped into three types: (1): blue violet; (2): White; (3): yellow. Leaf blade of all accessions have upper epidermis thickness mostly ranged from 20 to 26 µm (80% of all accessions) and 20% of all accessions have upper epidermis less than 20 µm thick. Parenchyma thickness in stem mostly ranged from 30-40 µm (80% of the accessions). 20% of Ipomoea nil sp. accessions were detected with parenchyma thickness less than 30 µm
- Select Volume / Issue:
- Year:
- 2017
- Type of Publication:
- Article
- Keywords:
- Ipomoea Nil Sp; Morphology; Variation
- Journal:
- IJAIR
- Volume:
- 5
- Number:
- 6
- Pages:
- 1011-1015
- Month:
- May
- ISSN:
- 2319-1473
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