620 



Index to Volume IX 



B. phytophthorus: 



causing blackleg of potato. 1921: 612. 

 B. solanacearum: 



causing tomato wilt. 1921: 614. 

 Backfill: 

 a cause of pipe failure. 86: 169, 170. 

 downward pressure of. 86: 131-133. 

 manner of making. 86: 103-104. 

 reinforcement of pipe to resist. 86: 

 95. 

 Bacterium malvacearum: 



causing black arm and angular leaf 

 spot of cotton. 1921: 609, 611. 

 B. medicaginis: 



causing blight of alfalfa. 1921: 611. 

 B. pruni: 



causing leaf spot of peach. 1921: 613. 

 B. savastanoi: 



causing gall of oleander. 1921: 614. 

 B. tumefaciens: 

 causing crown gall on peach, raspberry, 

 and rose. 1921; 613, 614. 

 "Bagote" or "Mexican palo-verde" (Par- 

 kinsonia aculeata) : 

 as a source of honey. 1921: 586. 

 Baits, poison, for insect pests. 87: 195; 



1918: 335-338. 

 Ballantyne, A. B. 1921: 552. 

 Barley: 



chemical composition of. 1919: 411. 

 cultivation and management of. 1919: 

 419; 1920: 444-445; 1921: 567-568. 

 diseases. 1920: 445; 1921: 611. , 

 flour, analysis of. 1918: 345. 

 in the Salt River Vallev. 85: 18-21, 



64. 

 middlings, in poison bait. 1918: 335- 



338. 

 not affected by root rot. 90: 274. 

 on the Salt River Valley Farm. 1918: 

 287, 292-293; 1919: 419; 1920: 

 445. 

 on the Sulphur Spring Vallev Dry- 

 Farm. 1918: 280, 294; 1920: 442. 

 on the Yuma Mesa. 89: 261-262. 

 resistance to alkali. 1918: 342-345; 



1921: 558. 

 rolled. 1918: 325; 1919: 433-436; 



1920: 465-467. 

 seed testing. Cir. 40. 

 variety test. 1921: 565. 

 wild, sale of seed forbidden. Cir. 40. 



Bartlett, O. C. 1918: 335. 

 Beans: 



breeding. 1918: 317-318; 1919: 457. 



in the Salt River Valley. 85: 11. 



on the Salt River Valley Farm. 1918: 



287, 290. 

 pests: 

 boll worm. 87: 176. 

 lesser corn stalk borer. 1918: 287. 

 red spider. 87: 201. 

 salt marsh caterpillar. 87: 183. 

 seed-corn maggot. 1921: 584. 

 seed testing. Cir. 40. 

 snap. 1918: 310. 

 tepary : 

 as a cover crop. 89: 247-249; 1919: 



441. 

 as green manure. 1918: 295. 

 at Yuma Date Orchard and Horti- 

 cultural Station. 1918: 295. 

 cuhure of. 1921: 564. 

 on the Salt River Valley Farm. 



1918: 290. 

 on the Sulphur Spring Valley Dry 

 Farm. 1918: 280, 294-295; 1920: 

 442. 

 profits from. 1918: 280. 

 resistance to alkali. 1918: 342-345. 

 varieties. 1918: 290; 1919: 457. 

 velvet : 



as cover crop in citrus orchard. 



1919: 441. 

 cuhure of. 1919: 417; 1920: 442; 



1921: 565, 566. 

 on Sah River Vallev Farm. 1918: 



287, 290; 1919: 417; 1920: 443. 

 on Sulphur Spring Valley Dry-Farm. 

 1918: 294; 1919: 417; 1920: 443. 

 Bear grass (Nolina): 



as a browse plant. 1921: 577. 

 Beatv, Leshe. 1920: 429, 440; 1921: 552. 



563. 

 Bees: 

 at University Farm. 1918: 340; 1920: 

 468; 1921: 584-586. 

 Beetles injurious to cotton. 87: 203. 

 Beets: 

 infested by seed-corn maggot. 1921: 



584. 

 variety test. 1921: 595-596. 

 Bcrberis Thmibergii. 1919: 431. 

 B. trifoliolata (Algerita). 1919: 431; 

 1920: 462. 



Bermuda grass: 



eradication by Sudan grass. Cir. 35. 



sale of seed forbidden. Cir. 40. 

 Bichloride of mercury: 



treatment for angular leaf spot in cot- 

 ton. 90: 273; 1921: 610. 



