PROPERTY UBRAR7 



fl. C. State College 



INDEX 



(Principal discussions are in bold face type) 



Abortion, embryo, 526-S26 



embryo sac, 495, 514, 521 



ovary, 487 



pistil, 484, 495, 504, 507, 511 



pollen, 478, 496-498, 507, 511-514 

 Absorption, 18-22 



nitrogen, 130 



relation to concentration, 105 



relation to transpiration, 127 



selective, 126 

 Acclimatization, 241 

 Acidity of soil, see Soil Reaction. 

 Acid tolerance of fruits, 118, 226 

 Adsorption, 49, 255-260 

 Aeration of soil, 126 

 Age and fruit setting, 614 

 Air drainage, 346-349, 643-652 

 Alkali, see Concentration, Soil Reaction. 

 Almond, composition, 101, 138, 144, 149, 152, 

 156, 160 



frost injury, 359 



fruit-bud formation, 187 



fruiting habits, 402 



fruit setting, 500, 542 



geography, 621 



pruning, 465 



soils, 657 



stocks, 553, 559, 564, 587, 601 



varietal differences, 542 



water requirements, 3, 16 



winter injury, 291 

 Alternate bearing, see Fruiting Habits. 

 Altitude, 621 



see Elevation. 

 Aluminum, in plant tissues, 160 



in soils, 663-665 

 Ammonium, 106 

 Antagonism, 126 

 Antipodals, 477 



Apple, composition, 4, 5, 102-104, 133-138. 141- 

 158, 254, 275, 319, 320 



cultivation, 66, 71, 77 



fertilizers, 206-217 



frost injury, 359-362, 364, 381 



fruit-bud formation, 186-192 



fruit development, 530, .531, 534 



fruiting habits, 399, 4.")7-461 



fruit setting, .500, 503-505, .509, 511, 518, 

 521, 531, 640 



geography, 612, 614, 619-620, 624-628 



irrigation, 71, 73 



physiological disturbances, 79, 83, 88-96 



propagation, B89-696 



679 



Apple, pruning, 408-433, 439-447, 450-453, 467- 

 461 



root distribution, S6-6J, 581 



soils, 660-662, 666, 668-670 



stocks, 312, 316, 653-.554, 568-559, 562, 

 565-567, 571-578, 581, 588-,592, 599. 

 601 



temperature requirements, 238-248, 624-628 



varietal and group differences, 86, 190, 207, 

 242-244. 254, 271, 319-322, 362, 422- 

 424, 430, 441-443, 540, 581, 588, 594. 

 624-626, 669 



water requirements, 3, 7, 16 



winter injury, 25,5-256, 261, 267-271, 279, 

 291, 304, 312, 318-322 

 Apricot, composition, 138, 144, 149, 156 



frost injury, 359-360 



fruiting habits, 402 



fruit setting, 519, 543 



geography, 621 



physiological disturbances, 95 



pruning, 465 



stocks, 556, 575 



temperature requirements. 245 



water requirements, 3, 8. 10, 16 



winter injury, 291 

 Arsenical poisoning, 196 

 Aspect, see Slope. 

 Assimilation, 161-166 

 Atmospheric humidity, see Humidity. 

 Autogamy, 480 

 Availability, 107-108 



iron, 109, 116-117 



nitrogen, 109 



phosphorus, 108, 116 



sulfur, 109 



water, 16, 47-49 

 Axial row, 477 

 Azarole. see Hawthorn. 



Bark splitting, 300 



Barrenness, see Fruitfulness. 



Bearing habits, see Fruiting Habits. 



Biennial bearing, see Regularity of Bearing. 



Bitter-pit, 93, 195, 197 



Blackberry (and Dewberry), composition. 4, 150 



fertihzers, 207 



fruit-bud formation, 188 



fruiting habits, 402, 467 



fruit setting, 498-500. 544 



geography, 626, 634 



pruning, 453, 467 



soils, 118 



