684 



INDEX 



Planting, distances, 8, 59 



season, 19, 209, 316 

 Plum, blossoming season, 342 



composition, 4, 102, 103, 132, 133, 138-141, 

 144, 149, 150, 153-159 



frost injury, 359, 362 



fruit-bud formation, 187, 192 



fruiting habits, 401 



fruit setting, 484-486, 493, 495, 500, 504, 

 505, 511, 642 



geography, 619, 620, 033, 634 



physiological disturbances, 94, 95 



propagation, 589, .590 



pruning, 410, 429, 440, 465 



root distribution, 581 



soils, 668, 669 



stocks, 248, 314, 553, 555, 561, 564, 571, 580, 

 581, 584, 586, 588, 602 



temperature requirements, 238, 245 



varietal and group differences, 285, 328, 329, 

 362, 495, 542, 669 



water requirements, 3, 8, 16 



wliitewashing, 291 



winter injury, 255, 256, 273, 285, 314, 328- 

 329 

 Polar bodies, 477, 482 

 Pollen, abortion, 478, 496-498, 509, 511-512 



carrying agents, 639 



formation, 477-479 



germination, 480-481, 504 



specific effects on fruit, 634-636 

 Pollen tube growth, 481, 502, 503, 513, 515 

 Pollination, 478, 503, 515, 638-640 

 Polyembryony, 504 

 Pomegranate, 401, 495, 657 

 Potassium, availability, 109 



deficiencies, 106, 198 



displacement, 106 



in fertihzers, 123, 145, 201, 202, 225 



fruit coloration, 145 



in plant tissues, 101, 102, 146-160 



in soil, 146, 663-665 



replacement, 159 

 Precipitation, fruit setting, 516, 517 



geography of fruit production, 631-632, 654 



requirements for trees, 6-7 



vegetative growth, 67-70 



winter injury, 266, 270, 274-278 

 Propagation, see Grafting, Nursery stock. Stocks. 

 Proliferation, 527 

 Protandry, 492-494 

 Protogyny, 492-494 

 Prune, see Plum. 

 Pruning, 388-471 



nutritive conditions, 426, 510 



winter-injured trees, 316, 326-326, 432 



winter injury, 288 



Quince, 150, 187. 400, 542. 657 



Radiation, 338-340, 351, 373-374 



Rainfall, see Precipitation. 

 Raphe, 477 



Raspberry, composition, 4, 150, 258 



fertilizers, 207 



fruit-bud formation, 188 



fruiting habits, 402. 467 



fruit setting, 544 



geography, 619 



irrigation, 335 



mulching, 335 



pruning, 332, 333, 453, 467 



soils, 118 



temperature requirements, 628 



varietal and group differences, 332-336 



winter injury, 315, 332-336 

 Regularity of bearing, 78, 406 

 Respiration, 166 

 Rest period, 284-286, 292 

 Ringing, 434-437, 506 

 Root, distribution, 64-64, 679-683 



killing, 22, 304, 312-316 



pruning, 19. 432-434 

 Rosette, 91-92 

 Rough bark disease, 85 

 Run-off, 7, 32 

 Russeting of fruit. 79, 381 



Sap density and hardiness, 264, 257 



Scaly bark disease. 84 



Secondary fertilization, 482 



Second bloom, 191, 381, 415 



Second growth, 70, 270 



Seedlessness, 198, 364, 487, 509, 621-627 



Seeds and fruit development, 629-634 



Seepage, 7, 51. 52 



Selective absorption, 126 



Self fertility, see Fertility. 



Self sterility, see Fertility, Fruitfulness, Fruit 



Setting. 

 Setting fruit trees, see Planting. 

 Sex distribution, 490-492 

 Shadbush, 400 

 Shading, 1, 11. 291 



Sihcon in plant tissues, 101, 102, 167-168 

 Silver leaf, 95 

 Sites, 346-351, 663-655 

 Slope, 639-643 



Smudging, see Orchard Heating. 

 Sodium, 106, 158-169, 663-665 

 Sod-mulch, 32-38, 66, 111, 114, 124, 306. 352 



see Soil Management Methods. 

 Soil, acidity, see Soil Reaction. 



alkali, see Concentration. 



chemical composition, 662-668 



crop adaptation, 668-671 



fruit setting, 509 



general orchard requirements, 666-688 



management methods, 31-46, 62-64. 111- 

 114. 306-307, 362-367 



mechanical analyses, 658-661 



reaction, 116-118, 128, 223, 226, 662 



solubility, 107 



temperature. 247-248, 302-312, 640 



toxins, 122-126 



type and frost danger, 351 



type and frost penetration. 808 



