INDEX 



675 



Taxus, yew 168,174 

 --baccata L., common yew 155 

 Temperature sensitive genes, see 



Genes 

 Terpenes, Pinus taeda 465,471 

 Test crosses and testers 359,397- 



406,561,574,583,628 

 Thalictrum, meadowrue 6 

 --speciosissimum Loef 1 . 35 

 Thresholds, resistance, see 



Resistance 

 Thuja, arborvitae 583 

 Thymus serpyllum L., mother-of- 



thyme 155 

 Tilia amurensis Rubr. , Amur linden 



127 

 Tilletia, bunt 308 

 Tissue cultures 34-35,38,439,575, 



583,639 

 Tolerance 47,526,528-30,537 

 Topcrossing 573,580,582 

 Transformations, binomial data 



190-91,242,397,399,403 

 Transgressive segregation or 



variation 604 

 Tritiated compounds 87-88 

 Triticale or Triticum x Secale 



638-39 

 Triticum, wheat, see also Cultivars 

 wheat 3,13,27,34-35,65-85,89-91, 

 93,294,472,507,578,617,619,622, 

 625,631-40 

 --durum Desf . , Durum wheats 638 

 --vulgare Yill., common wheats 



509,638 

 Trochodendron aralioides Sieb. & 



Zucc. , wheelstamentree 141 

 Tsuga, hemlocks 141,168,174,420 

 __chinensis (Franch.) Pritzel, 



Chinese hemlock 141 

 Typological disease assessment, see 

 Infection types 



Ulmus, elm 



--americana L., American elm 622-23 



--mandshurica Kakai, Mahchurian elm 



127 

 --pumila L., Siberian elm 622 

 --uyematsui Hayata 141 

 Ultra-violet light treatment 7,9 

 Uniform resistance, see Resistance 

 United Nations, see also FAO 281, 



283-84 

 United Nations Development Program 

 (UNDP) 284-85, 296 



Uredinales, the plant rusts 420 

 Uridine 87 



Uromyces dactyl idis Otth, syn . U. 

 poae Rabh., leaf rust of bluegrass 

 84 

 Ustilago, smut 18,38-40 

 --maydis (D.C.) Cda., corn smut 13 



Vaccinium, blueberries, huckleberries, 



etc. 102 

 Valeriana wallichii Decne., valerian 



154 

 Valsa, secondary canker fungi 193 

 Variance 

 --analysis of 333,397-406,591-92, 



595 

 --binomial sampling 399-401 

 --genetic 290,299-304,308-309,397, 



400,403,406 

 Variation 

 --clinal 23,447 

 --discontinuous or ecotypic 23,28, 



100,160,294 

 --elevational and latitudinal 28, 

 111,120,123,163,171,185,231,429, 

 630-32 

 --environmental 353 

 --genetic 



general 151,160,355 

 branching 144,165,168,1-2-73, 



216,219,221,232,610 

 crown form 130,144,171-72,216, 



219,221 

 date of maturity 638 

 day length and date of planting 

 response 632-33,638 

 fertilizer and irrigation 

 response 294,632-34 

 foliage color and length 160, 



165-66,171-73 

 growth and growth rate 104,125, 

 165-66,168-70,172-74,204,205, 

 232,610,612,627,630-51 

 insect resistance, see Resistance 

 rooting ability of cuttings and 

 needle bundles 513 

 seed and cone characters 160, 



172-75,605 

 stem form 204-205,605,62-. 



650-51 

 yield, timber, forage, grain, 

 etc. 293-94,551,573,580-82 . 

 584-86,591-97,605-606,631-33 

 --geographic 448,466,471 ,493-505, 



505-511,653 

 --phenotypic 291 



