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Now showing items 1-10 of 116
Transfer of genetic resistance to the Russian wheat aphid from rye to wheat
(Stellenbosch : Stellenbosch University, 1997-03)
ENGLISH ABSTRACT: An octoploid triticale was derived from the F1 of a Russian wheat aphid
resistant rye, 'Turkey 77', and 'Chinese Spring' wheat. The alloploid was
crossed (a) to common wheat, and (b) to the 'Imperial' ...
Identification of molecular markers linked to woolly apple aphid (Eriosoma lanigerum) (Hausmann) resistance in apple
(Stellenbosch : Stellenbosch University, 2003-12)
ENGLISH ABSTRACT: Apple (Malus x domestica Borkh.) is an important horticultural crop worldwide and in the Western
Cape. The income generated from apple and other deciduous fruit production amounts to
approximately 25% ...
Genetic mapping of adult plant stripe rust resistance in the wheat cultivar Kariega
(Stellenbosch : Stellenbosch University, 2003-04)
ENGLISH ABSTRACT: Stripe (yellow) rust of wheat, caused by Puccinia striiformis f.sp. tritici, was first detected as a
single introduction into South Africa in 1996. Two additional pathotypes have since been
identified. ...
Optimization of gene transfer in Haliotis midae by means of polyplex mediation
(Stellenbosch : Stellenbosch University, 2010-12)
ENGLISH ABSTRACT: Haliotis midae is the most important aquaculture species in South Africa, with abalone
farming contributing 80% of the Rand value of the aquaculture industry. Although genetic
research has benefited the ...
Mapping of chromosome arm 7DL of Triticum aestivum L.
(Stellenbosch : University of Stellenbosch, 2005-03)
The Russian wheat aphid, Diuraphis noxia (Mordvilko), is a serious insect pest of wheat and
barley. It affects the quality and yield of grain by sucking plant sap from the newest growth
whilst toxic substances are injected ...
Mapping and restructuring of an Ae. kotschyi derived translocation segment in common wheat
(Stellenbosch : University of Stellenbosch, 2010-12)
ENGLISH ABSTRACT: The wild relatives are an important source of new genes for the genetic improvement
of wheat. At Stellenbosch University the leaf and stripe rust resistance genes Lr54 and
Yr37 were transferred from ...
Sequencing and detection of a new strain of grapevine leafroll-associated virus 3 in South Africa
(Stellenbosch : Stellenbosch University, 2012-12)
ENGLISH ABSTRACT: Grapevine leafroll-associated virus 3 (GLRaV-3) is the type member of the genus Ampelovirus in the family Closteroviridae and is considered to be the main contributing agent of grapevine leafroll disease ...
Investigation of starch metabolism genes and their interactions
(Stellenbosch : Stellenbosch University, 2013-12)
ENGLISH ABSTRACT: Starch is widely used in industries around the word, some of these are food, oil drilling,
paper milling and cosmetics. It is a polymer which has two components, amylose and
amylopectin. The production ...
Pollen biology in relation to artificial hybridization in the genus Protea
(Stellenbosch : University of Stellenbosch, 1995-03)
ENGLISH ABSTRACT: Effects of pH,sucrose, boric acid and temperature on in vitro germination of pollen of
Protea repens (L.) L. cv. 'Embers' were investigated in hanging-drop culture to establish
optimum conditions for ...
Ironing out haemochromatosis : a study of an Indian family
(Stellenbosch : Stellenbosch University, 2008-03)
ENGLISH ABSTRACT: Iron metabolism disorders comprise the most common disorders in humans. Hereditary
haemochromatosis (HH) is a common condition resulting from inappropriate iron absorption.
The most common form of the ...