66' TBJNIDAD AND TOBAGO BULLETIN. \XIX. ;?. 



SUGAR CANE EXPERIMENTS 1918-20. 



Trinidad Seedlings and Tests of Varieties. 



By Joseph dk Verteuil, F.I.C, F.C.S., 

 Supt. of Field Experiments. (1) 



The report on sugar-cane experiments may be Jivicled into two 

 parts : — 



(1.) Raising and testing of new seedlings. 



(2.) Results of tests of varieties grown in plots. 



RAISING AND TESTING OF NEW SEEDLINGS. 



The work started in 1917, ia conaecLion with the raising of new 

 sugar-cane seedlings, has been continued on the sams lines as indicated 

 in the report for 1917-19. (2) 



Forty-three of the seedlings raised in 191.7, which were selected for 

 their combined field characters and analytical results for a second trial, 

 have been planted out in small plots on November 4, 1919. 



Seedlings raised in 1918. 



Out of the seedlings raised and potted in 1918, 2,203 were planted 

 ■out in the field between April and May, 1919. Of these, 244 or 12-1 per 

 cent, were selected from their field characters for analytical test, and 

 162 or 8-0 per cent, have bejn selected for a second trial. 



As in the previous year, it has been found thit C3rtaln varieties are 

 useless for raising new seedlings, and the detaction of good parents 

 seems to be of great importance, as will be seen below. With this 

 object in view a larger number of parents will be selected for getting 

 new seedlings. 



Only three natural hybrids and seven self-fertihzed seedlings were 

 obtained. 



(1.) Now Agricultural Chemist. (2.) Bull. D p'. .-lyr., T. & T., XYIII. lOl'.l, ISC 



