3. It has not reached the “mushroom state” but, can you see central leaves broken by their rachis or base? Does this cause a loss of symmetry on the palm crown? or, are there plenty of weevil cocoons and sawdust on the upper part of the trunk or on the aerial roots area? or, are there dried shoots that smell fermented when they are pulled out?.
4. You see symptoms but the palm tree is not that bad. Can you see damages on the leaves (triangulations, galleries in leaves, arrowhead shaped leaves)? or, have you found sawdust and weevil cocoons? or, Is there some sawdust and oozing on the aerial roots area?.