Studies of methods of obtaining heterosis in sunflower.

V Vranceanu - 1965 - cabidigitallibrary.org
Of 125 direct and reciprocal single crosses obtained without emasculation by artificial
hybridization between S3-S4 inbred lines derived mainly from Russian material, 27 gave …

The initial material for sunflower heterosis breeding.

AV Anaschenko - 1975 - cabidigitallibrary.org
Varieties of Russian and foreign origin which show good combining ability are listed. For the
development of varieties with high oil content it is considered necessary that both parents …

Intervarietal hybridization of sunflower.

MM Klimov, SA Ermoshin - 1977 - cabidigitallibrary.org
Top-cross hybrids were produced between 30 Soviet varieties with a high oil content and
three testers used as the pollen parents. Of the 260 F1 hybrids studied, 28.3% showed 10 …

The research trends in the field of sunflower breeding for heterosis-at the All-Union Research Institute for Oil Crops (VNIIMK).

LK Voskoboinik, KI Soldatov - 1975 - cabidigitallibrary.org
Brief information is presented on results of breeding with respect to (1) the development of
lines with high general combining ability, high oil content, low hull percentage and …

Some results of studies on the problem of using heterosis in low-growing forms of sunflower.

FM Gorbachenko - 1977 - cabidigitallibrary.org
Abstract Of 520 F1 interline, variety-line and intervarietal hybrids produced by diallel crosses
between short and tall varieties during 1973-76, the highest yielding were those obtained by …

Use of the heterosis in sunflower in Bulgaria.

P Petrov - 1992 - cabidigitallibrary.org
The use of heterosis breeding for improving seed yield is reviewed under the following
headings: breeding of inbred lines; breeding of restorer lines; breeding of lines with high …

A study of the effect of intervarietal hybridization on yield and the husk and oil content of sunflower seed in the F1 and F2.

A Kovacik - 1959 - cabidigitallibrary.org
The seed yield obtained from the F1 generation was in most cases higher than that of both
parents, the increase varying between 1 and 20%. Crosses of Stepnjak [sunflower from the …

A comparison of the F1 and F2 of interline sunflower hybrids grown for oil.

Z Kloczowski - 1971 - cabidigitallibrary.org
The F1s from 20 crosses made among eight lines derived from varieties of Russian, Polish
and Canadian origin averaged 10.4% taller than the taller of their respective parent lines but …

Combining ability and prediction of heterosis in sunflower (Helianthus annuus L.).

A Kovacik, V Skaloud - 1972 - cabidigitallibrary.org
F1 hybrids from diallel crosses of four lines were studied. The greatest differences in general
combining ability were found for plant height and yield of seeds per head. A high specific …

Effect of inbreeding in the breeding of self-fertile lines of sunflower.

BP Gur'ev, LV Bondarenko, LS Osipova - 1987 - cabidigitallibrary.org
From genetically diverse varietal populations and hybrids, I1-I4 lines were produced by
inbreeding combined with selection for high self fertility. Oil content in the 10 initial forms …