no 
Treatment. 
It has been recommended that all of the dead and badly diseased 
seedlings be collected and burnt to prevent the spread of the disease 
by the spores produced on diseased parts. 
A better access of light to the seedlings has also been advised. 
For the control of the disease it has been recommended that the 
seedlings in diseased areas be sprayed with Bordeaux Mixture the 
6-4 30 formula being employed for preparation of the mixture, 
and the mixture being applied as a preventitive. 
A diagnosis of the fungus is appended :~ 
Maculis amphigenis, subrotundatis vel irregularmus brunnem; 
nerithecus saepius epiphvllis, sparsis, mitio epidermide velatis, 
{Lis membranaceis, globoso-depressis, 90-100 microns diamr., 
ostiolo obsoleto; ascis davulatis, sessilious, aparaphysatis, octos 
por i ?) 32— 36 x 8 microns; sporis oblongis, utrinqueobtusis, contmun , 
hyalinis, subdistichis, 10—12x3.5 -4 microns. 
A THREAD-BLIGHT OK PARA RUBBER, 
CAMPHOR, Etc. 
By Keith Bancroft, b.a., Assistant Mycologist, F.M.S. 
A disease which from its symptoms may well be called a “ thread- 
Mh'ht" has recently made its appearance on Para rubber and 
camphor (Cin.unnonn,,,, C.nnphon,). The disease was first recorded on 
camphor, seven years old, in the Experimental Gardens BtuTga 
(Selangor) where four adjacent plants were afl y ted ' Fstate in 
t ] ? vs from this it was reported on Para rubbei trees o 
Negri Sembilan. The affected Para rubber trees were approximately 
seven or eight years old, were near to each other and were situated 
close to a belt of virgin jungle. 
Symptoms. 
.Then a tree is attacked the leaves on the younger parts wither 
and hang down and may become matted together m dense massetc 
The younger twigs a’- wither and the young buds die. Finally, a. 
he disease progr- ces many of the leaves fail. 
