AGRICULTURAL BULLETIN 
OV THK 
STRAITS 
AND 
EEDERATED IT A LAY STATES. 
No. a] ■ AUGUST, 1910. [Vol. IX 
THIRD REPORT 
ON 
Experimental Tapping of Para Rubber Trees in 
the Botanical Gardens, Singapore, Continued 
PESTS. 
We have little additional information on the subject of Fames 
semitostus. The fungus seems still to be pushing its way. but it 
appears more slowly than at fust among the trees at the place at 
which it first appeared. There is no doubt that it is difficult to deal 
with in ground where the trees are close together, and where the 
ground cannot be effectively drained. It seems to be getting weaker 
in its growth, but: of this I am not sure, as several trees of late have 
not succumbed before the fruit appeared, which formerly was at 
least unusual, and to be moving more slowly. By the destruction of 
its sporophores, it is prevented from reproducing by spores, and 
this by forcing it to produce by mycelial threads only may in time 
cause it to die out. The fungus is now so well-known to all planters, 
and seems to occur in all parts of the peninsula, Borneo, etc., and 
the extirpation of stumps and roots now almost everywhere the rule 
seems to be the most successful preventive measure. It is rather 
