Record the number of tagged leaves that
die at weekly interVals, slarting from 4 to
6 weeks after planting.: "Record the
approximate senescence date of the tagged
leaves.
Leaf death is said to have occurred when
>75 % of the leaf is yellow or dry or when the
leaf falls off the plant
• Tag the leaves at approximately two-week
intervals to monitor leaf appearance and
leaf longevity.
The tagging interval will depend on: genotype;
the total duration of the experiment; the
particular season (rainy season or dry season);
full canopy duration; and time of harvest