XX 



CONTENTS 



SECTION PAGE 



355. Depth of planting .......... 395 



356. Planting behind the plough 3g6 



357. Planting before ploughing 396 



358. After-cultivation 3g6 



359. Implements for weeding ......... 400 



360. Power 402 



CHAPTER X. 

 DISEASES AND PESTS OF THE MAIZE CROP. 



Plant Diseases 



361. 

 362. 

 363 

 3°4- 

 365. 

 366. 

 367. 

 368. 

 369. 

 37° 

 371- 

 372- 



373- 

 374- 

 375- 

 376. 



377' 

 378. 

 379- 

 380. 

 381. 

 382. 

 383. 

 384. 

 385. 

 386. 

 387. 

 388. 

 389. 

 39°. 

 391- 

 392. 

 393- 



and 



sugar 



Brown rust of maize . 



Red rust of maize 



" White rust " or " blight " 



Maize smut or " brand " 



Leaf scorch or maize blight 



Ear-rots of maize 



Dothiorella .... 



Burrill's bacterial disease of den 



Stewart's corn wilt 



Yellow foliage 



Chlorosis .... 



Physiological effect of drought 



Weeds 

 Weeds .... 



Parasitic weeds .... 



Non-parasitic weeds . 

 Perennial weeds .... 



Annual weeds .... 



Volunteer maize .... 



How weeds spread 



Plant less maize and produce more 



Cultivation ..... 



Effect of clean cultivation of the maize crop 

 Harrowing ..... 



Fallowing ..... 



Rotation of crops 



The best time to kill weeds 



Weed seeds do not all germinate at once 



Is-ona, witch-weed, or rooibloem 



Remedies for is-ona 



Early planting .... 



Manuring ...... 



Clear the land of is-ona seed already there 

 Buy seed-maize from clean farms 



Animal Pests of the Maize Crop. 



394. The Chacma baboon . 



395. Monkeys 



396. Hares .... 



397. The reed-rat 



398. The porcupine or yster-vark 

 3gg. Birds 



Insect Pests. 

 400. Insect pests of the maize crop 



4°5 

 408 

 409 

 409 

 412 

 4*3 

 415 

 415 

 4*5 

 4*5 

 415 

 4*5 



416 

 416 

 417 

 4 r 7 

 417 

 418 

 418 

 420 

 420 

 420 

 421 

 421 

 421 

 422 

 422 



423 



426 

 426 

 426 

 426 

 427 



427 

 43i 

 43i 

 433 

 433 

 433 



435 



