Arizona Agricultural Experiment Station 



619 



Ant, white, or termite: 



injuring cotton. 87: 203. 

 Anthonomus '^randis Boli. (Mexican boll 

 weevil). 87: 173-175, 203-204. 

 A. grandis thnrbcriac Pierce. 87: 173, 

 203-204. 

 Anthracnose of cotton. 90: 274. 



of melons. 1921: 611. 

 Apache plume (FaUugia paradoxa) : 



as a browse plant. 1921: 577. 

 Aphidiiis testaccipes Cress. 87: 197-200. 

 Aphis (Aphis gossypii Glov.) : 

 effect of weather on. 87: 198. 

 enemies of. 87: 197-200. 

 in the Yuma Valley. 87: 198. 

 spraying for. 87: 200. 

 Aphis gossvpii Glov. (cotton or melon 



aphis'). 87: 196-200. 

 Apples : 

 as a "dry-farm" crop. 1920: 473. 

 on Sulphur Spring Valley Dry-Farm. 



1918: 280; 1920: 474. 

 pruning studies. 1920: 471 ; 1921: 591. 

 water requirement studies. 1920: 471. 

 Apple trees : 



diseases of. 1921: 612-613. 

 Appropriations: 



for Experiment Station work. 1918: 

 285, 286; 1919: 402, 403; 1920: 

 434, 435; 1921: 555, 556. 

 Apricots: 



at Salt River Valley Farm. 1918: 



303; 1921: 594. 

 at Sulphur Spring Valley Dry-Farm. 



1918: 280. 

 at Yuma Date Orchard and Horticul- 

 tural Station. 1918: 304; 1921: 

 594. 

 in the Salt River Valley: 



interplanting in olive orchards. 94: 



513. 

 marketing. 85: 45, 47. 

 prices. 85: 45. 

 shipments of. 85: 46. 

 varieties. 85: 43. 

 yields. 85: 45. 

 pruning studies. 1920: 471 ; 1921: 591. 

 Arachis hypogaca. 1920: 473. 

 Aragallus Lambcrti (purple loco). 1920: 

 456. 

 A. nothoxus (spreading loco). 1920: 

 456. 

 Aristida purpurea. 1919. 430. 

 Arizona: 



in drainage basin of Colorado River. 

 95: 529-531. 



reservoir sites in. 95: 535. 

 Arizona Honey Exchange. 85: 42. 

 Arizona Orange Association. ..85: 48. 

 Arizona State Commission of Agricul- 

 ture and Horticulture. Cir. 40; 

 87: 173, 203-204; 1918: 339. 

 Arizona Uniform Seed Law. Cir. 40. 

 Arlington Valley. 85: 5, 8. 

 Armstrong, R. H. 1918: 335. 

 Arsenate of lead: 



for poisoning cotton leaf worm. 87: 

 183. 

 Ash: 



Phyllactinia leaf spot on. 1921: 614. 

 Asparagus : 



resistance to alkali. 1918: 343-344. 

 Asparagus acufifoliits. 1920: 473. 

 Aspen: 



American (Populus tremiiloidcs). T.H. 



138. 

 large-toothed (P. grandidentata). T.H, 

 138. 

 Aspergillus : 



present in date rot. 1921: 607. 

 Asphalt base type of fuel oils. 92: 409. 

 Associations: 



Arizona Honey Exchange. 85: 42. 



.'\rizona Orange. 85: 48. 



Salt River Valley Cotton Growers'. 



85: 35-36. 

 Salt River Valley Water Users'. 85: 



8, 65, 67-68. 

 Union Melon Growers'. 85: 57. 

 United Produce Growers'. 85: 54, 56. 

 Astragalus Bigclowii (hairy loco). 1920: 

 456. 

 A. diHiysus (tall loco). 1920: 456. 

 A. diphvsus MacDougali (tall loco). 

 1920: 456. 



A. thurberi (Thurber's loco). 1920: 



456. 

 "Atomic Sulfur": 



ineffective against red spider. 87: 202. 

 A triplex poly car pa (many-seeded salt- 

 bush). 1920: 457. 

 Atro Violacea olive, the. 94: 521, 523. 

 Avocado: 1921: 595. 



affected by hot, dry weather. 1919: 

 441. 



B 



Baccharis gliitinosa (Bata mota). 1921: 

 586. 



B. sarathroides. 1921: 586. 

 Bacillus amylovorus : 



causing blight of apple and pear trees. 

 1921: 613. 



