Evaluating an Interspecific Helianthus annuus × Helianthus nuttallii Line for Use in Sunflower Breeding Program
نویسندگان
چکیده
منابع مشابه
Triploid Production from Interspecific Crosses of Two Diploid Perennial Helianthus with Diploid Cultivated Sunflower (Helianthus annuus L.)
Wild Helianthus species are a valuable genetic resource for the improvement of cultivated sunflower. We report the discovery and characterization of a unique high frequency production of triploids when cultivated sunflower was pollinated by specific accessions of diploid Helianthus nuttallii T. & G. and H. maximiliani Schr. Genomic in situ hybridization (GISH) analyses indicated that the triplo...
متن کاملCytological Characterization and Pollen Viability Studies in the Interspecific Hybrids between Helianthus Annuus and Helianthus Maximiliani
The present investigation was undertaken with a view to study Cytological behavior of F1 interspecific hybrids of diploid wild perennial species Helianthus maximilini (2n = 34) and with cultivated sunflower Helianthus annuus (2n = 34) prebred line M-106. The interspecific hybrids have annual life cycle with the diploid somatic chromosome number thirty four. Chromosome association represented by...
متن کاملCavitation fatigue and its reversal in sunflower (Helianthus annuus L.).
"Cavitation fatigue" is the increased susceptibility of a xylem conduit to cavitation as a result of its prior cavitation. It was investigated whether cavitation fatigue induced in vivo could be repaired in intact plants. Sunflowers (Helianthus annuus L.) were subjected to soil drought in the greenhouse. Native embolism and vulnerability to cavitation was measured in well-watered controls and a...
متن کاملTOLERANCE OF SUNFLOWER (Helianthus annuus L.) TO IMAZETHAPYR
The response of RIMI [imazethapyr-tolerant (T)] sunflower (Helianthus annuus L.) hybrid and the local imazethapyr-sensitive hybrid "Zoltan" (S) was investigated under controlled conditions. Hybrids grown in pots were treated post-emergence with imazethapyr at the two pairs of leaves stage. Visual injury evaluation and vegetative parameters were recorded. ALS (acetolactate synthase) enzyme activ...
متن کاملEcogeography and utility to plant breeding of the crop wild relatives of sunflower (Helianthus annuus L.)
Crop wild relatives (CWR) are a rich source of genetic diversity for crop improvement. Combining ecogeographic and phylogenetic techniques can inform both conservation and breeding. Geographic occurrence, bioclimatic, and biophysical data were used to predict species distributions, range overlap and niche occupancy in 36 taxa closely related to sunflower (Helianthus annuus L.). Taxa lacking com...
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ژورنال
عنوان ژورنال: Turkish Journal of Agriculture - Food Science and Technology
سال: 2018
ISSN: 2148-127X
DOI: 10.24925/turjaf.v6i12.1684-1689.1361