HIBEKNATION AND DEVELOPMENT OF BOLL WEEVIL. 



35 



Table VIII. — Comparison of progress of infestation by boll weevil and production of fruii 

 upon variety plats on Carson <& Smith's plantation, Brazos River, Wellborn, Tex., in 

 1903. 





Variety. 



Date of 

 examin- 

 ation. 



a 



d 



X 

 o> 



as 

 ±4 



3d 

 <» a; 



„_, a 



o"* 

 u 



a 



Squares per plant. 



ft 



CD 

 ft 



as 



a 



o 

 o 



3 



Bolls. 



03 



O 



o 



Cl> 



ft 



m 

 "> 



Yield per acre. 





u 



0) 



a 



d 



U 



o 



1=1 



a 



ft 



d 



o 

 a 



ft 



rt 



<x> 

 o 

 u 

 a> 



ft 



ft 



u 



ft 



d 

 a> 



Fh 



_g 

 o 



PI 



ft 



<D 

 O 

 U 



ft 



Pounds seed cot- 

 ton. 





Plat, 



^a 



bD 

 C . 



IS 



Is 



W 



3 



o 



w 

 W 



1 



Native 



Territory 



Dickson 



Schley 



Bohemian 



June 26. 

 July 17.. 

 Aug. 17. 

 Aug. 25. 



100 

 50 

 10 



5 



1.6 

 12.0 

 65.0 

 70.0 



0.01 



.04 



3.5 



36.0 



0.6 



.3 



5.3 



51.4 





















0.14 

 1.9 



2.6 



0.06 

 16.9 



21.2 



0.0 















.0 

 9.4 















>0 















270 



172 



442 



?7 



2 



June 26. 

 July 17.. 

 Aug. 25. 



100 



50 



5 



1.0 



8.0 

 99.0 







.04 

 33.8 



.0 



.4 



34.1 















.08 

 3.0 



.3 

 21.0 



.0 

 11.0 



























163 



121 



284 



17 



3 



June 26. 

 July 20.. 

 Aug. 17. 

 Aug. 25. 

 June 26. 

 July 20.. 

 Aug. 17. 

 Aug. 25. 

 June 26. 

 July 20.. 

 Aug. 17. 

 Aug. 25. 



100 



50 



10 



5 



100 



25 



10 



5 



100 



25 



10 



5 



.75 

 28.0 

 98.0 

 92.0 



.32 

 20.0 

 70.0 

 94.0 



.73 

 16.0 

 80.0 

 144.0 







.08 



7.8 



39.6 







.08 



4.5 



41.6 







.04 



7.0 



81.0 



.0 



.3 



7.9 



43.0 



.0 



.4 



6.4 



44.4 



.0 



.2 



8.7 



56.2 















.48 

 3.2 

 2.0 



.92 

 23.9 

 26.6 



2.1 

 .4 

 .0 



























40 











4. 













.2 

 2.4 

 3.0 



.4 



8.3 

 15.0 



.0 

 .0 

 .0 



























60 











5 













.16 

 2.1 

 2.0 



.2 



15.4 



27.8 



.0 



.0 



14.7 



























80 











3,4,5. 







o340 



?1 



7 





June 26. 

 July 20.. 

 Aug. 25. 



100 



25 



5 



2.5 

 58.0 

 104.0 



.03 



.16 



40.2 



1.1 

 .3 



38.6 





















1.52 

 2.0 



2.44 

 42.0 



.0 

 .0 















80 













*>509 



491 



b 1,000 



65 



8 



June 26 

 ....do... 

 July 20 

 Aug. 25 



100 



100 



25 



5 



2.96 



3.28 



65.0 



90.0 



.0 



.0 



0.36 



37.4 



0.0 



0.0 



.5 



41.5 













9 



do 



do 



....do 



















8-9... 



1.40 

 3.8 



3.6 



52.0 



.0 

 .04 













8 



40 













476 









8-9... 























1,471 



1,948 



1 *>1 



10.... 





June 26 

 ....do... 

 ....do... 

 July 17 

 June 26 

 July 17 

 Aug. 17 



150 

 150 

 150 

 50 

 150 

 50 

 10 



3.3 

 1.6 

 2.2 



54.0 

 2.9 



61.0 

 109.0 





















11.... 



do 



do 



do 























12 



.0 

 .3 



.01 



.08 



6.8 



0.0 

 .5 

 .45 

 .1 



6.2 





















.64 



1.58 















13.... 

















do 



do 



1.2 

 2.6 



1.96 

 32.3 















12-13. 



.02 



10 











10-13. 







« 1,000 



65 



14.... 



do 



June 26 

 July 17 

 Aug. 25 



100 

 25 



4.7 

 110.0 



1.0 



.44 



33.9 



2.1 



.4 



32.0 



















do 



do 



Wellborn 



1.4 



4.88 

















4 106. 



























(?) 



625 



603 



1,228 



76 



15.... 



July 20 

 Aug. 25 

 June 26 

 July 20 

 Aug. 25 



25 



5 



100 



25 

 5 



42.0 



195. 



3.6 



52.0 

 109.0 



.28 



79.8 



.0 



.44 



52.8 



.5 



40.9 



.0 



.8 

 48.4 



.48 

 4.0 



.52 

 71.4 







15-16. 

 17.... 





100 



272 



413 



710 



.43 





.92 

 1.4 



1.92 

 100.6 



















(?) 



494 



672 



1,167 



.73 



a Average. 



b About. 



