560 



INDEX. 



Plum — Continued. 



foreign shipments, 426. 

 louse, 378. 

 roots for peach, 145. 

 shipments of, 426. 

 slug. 239. 

 stocks, 453, 455. 

 Wickson, 380. 

 Plumbago sp., 112. 

 Podosphwra, 



leucotricha, 478. 

 oxyacanthw, 478. 

 Paonia sp., 112. 

 Poinsettia, 112. 

 PoUaspis, 



pini, 94, 171. 

 sp., 446. 

 Pollination of Plants, 301-304. 

 Anatomy of plants, 301, 302. 

 bees as "Marriage Priests," 302-304. 

 Polycaon confertus, 245. 

 Pomelo, 112. 



citrus canker in, 512. 

 Popenoe, F. W., 9. 

 Paul B., 9, 39. 



Home of Fardh Date, art., 9-18. 

 Poplar, 259. 



Potash, 20, 175, 269, 271. 

 Potassium chloride, 255, 256. 



in soils, 255, 256. 

 Portulaca oleracea, 122. 

 Potash, 20, 175, 269, 271, 501, 502. 

 effect of, 502. 

 fertilizer, 501. 

 value of, 503. 

 Potassium chloride, 255, 256. 

 sulphate, 502, 503. 

 sulphid, 269. 

 Potassium sulphide, 269. 

 Potato, 111, 122, 523. 



Association, West Coast, 416-417. 

 county best for, 157. 

 diseases and pests, 84, 414, 415. 

 blight, 84. 

 dry rot, 370. 

 eelworm, 45, 157, 167, 371. 



in Nevada, 416. 

 jelly end, 370. 

 leak, 370. 

 Rhizoctonia, 370. 

 scab, 46, 167, 370. 



in El Dorado County, 157. 

 tuber moth, 157, 283, 409. 

 wilt, 370. 

 Emergency Convention, 283, 407-418. 

 delta, 408. 



excursion to, 408. 

 potato situation in, 411. 

 system of agriculture — condi- 

 tions affecting, 413, 414. 

 food and value of potato, 416. 

 Idaho quarantine against California, 



156. 

 Notes on situation in delta, 3G9-371. 

 Peatlands in Holland, 412. 



Potato — Continued. 



planting of unsound, 157. 

 production, 425. 

 quarantine against, 283. 

 Resolutions Committee Report, 41", 



418 (see also resolutions), 

 sound seed, 420, 421. 

 tuber moth, 370, 409. 

 control, 409, 410. 

 discussion, 414. 



from Los Angeles County, 410. 

 Powdery mildew of apple, 478, 479. 

 Powell, G. Harold, 330, 422, 423, 474. 

 Pratt, B. B., 423. 

 Premnotrypes solani, 156. 

 Primula obconica, 119. 

 Prionoxystus roMnice, 259-264. 

 Prionus californicus, 37. 

 Prizer, J. A., 97, 127, 139, 240, 293. 

 Privets, 522. 

 Proctotrypid, 27. 

 Prodenia prwfica, 296. 

 Propping, peaches, 147. 

 Props in orchard, 175. 

 Prosopis juliflora, 57. 

 Protective League, Farmers, 426. 

 Prune, 31, 34, 35, 81, 168, 173, 188, 218, 

 244, 245, 292, 295, 336, 376, 378, 486, 

 487, 515, 516, 536. 

 aphis, 481. 



apricot scale on, 442. 

 cherry fruit sawfly on, 31. 

 foreign shipments, 426. 

 French, 363. 

 soils, 348. 



standardization, 425. 

 winter work in orchard, 533. 

 Pruning, 



apple, the, with special reference to 

 summer work, art., 385-390. 

 age of an orchard, 390. 

 experiments in, 385. 

 general method, 386. 

 location of crop, 389. 

 suckers, 388, 389. 



heading back, 388. 

 developed into fruiting wood, 

 389. 

 summer, 388. 



training young orchard, 389, 390. 

 twig cutting, 386, 387. 

 results, 387. 

 Pruning, 504. 



apple for mildew, 385-390. 

 for thinning, 177. 

 grape, 519, 525. 

 peach, 146. 

 vine, 519, 520, 

 winter, of apple, 390-398. 

 ornamental tree, 5G4. 

 time for vines, 519, 520. 

 Prunus, 



domestica, 119. 

 persica, 144. 

 sp., 225. 



