Yam Morphological characterization 2023
Morphological characterization of 134 yam accessions. The vegetative traits were capture in different stages in 2023 , while the tubers were taken early this year, 2024.
IPGRI
The International Institute of Tropical Agriculture (IITA) campus in Ibadan, Nigeria, is located in a tropical climate zone. Here are some key environmental conditions: The area experiences a tropical savanna climate, with distinct wet and dry seasons. The rainy season typically runs from March to October, while the dry season is from November to February. Average temperatures range from about 20°C (68°F) at night to around 30°C (86°F) during the day. Humidity levels can be high, especially during the rainy season, often exceeding 80%.The campus is home to diverse flora and fauna, including various tree species, shrubs, and wildlife, contributing to its rich ecological environment. The soil in the region is primarily lateritic, which can vary in fertility depending on the specific area and land management practices. The campus has access to several water bodies, and rainwater harvesting is promoted to support sustainable agriculture and research.
In relation to branches
Assessed at 20 days after emergence
Mean of 20 spines located approximately between the first 0.5 to 1.5 m stem length
In relation to tuber size
beneath the bark
from cortex to centre
Assessed at 20 days after emergence
Assessed at 20 days after emergence
List of accessions included in the dataset