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Filtering by: Date issued sim 1981-04-24 Degree Level Doctoral

Methods of evaluation, effects of intermating and results of one cycle of S₁ family recurrent selection in barley

Creator:

Mareck, James

Abstract:

The focus of this study was to determine if S₁ family recurrent selection might be successfully used for barley improvement. Objectives were: 1) to identify suitable methods of evaluating grain yield in small plots, 2) to study the effects of intermating on mean values and variances of selected agronomic characters,...

Resource Type:

Dissertation
Survival and some physiological aspects of tissue cultured cells from Douglas-fir (Pseudotsuga menziesii Mirb. (Franco)) and a poplar hybrid after freezing to liquid nitrogen temperature

Creator:

Binder, Wolfgang Dieter

Abstract:

Cell aggregate size in both Douglas-fir and poplar suspension cultures was reduced by the addition of the chelator compounds EDTA and CDTA at concentrations under 100 ppm. Reduced cell aggregate size increased growth efficiency of suspension cultures of both species. Cell aggregates 550 j.z. or smaller in size were used...

Resource Type:

Dissertation