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Effect of sowing date on head diameter in sunflower
(Paris : International Sunflower Association, 2016)
Head diameter is very important trait in the sunflower seed yield structure. The size of head diameter influences the number of flowers and seeds per head which directly influence the seed yield per plant. In order to ...
Cytogenetic study of helianthus strumosus and its F1 and BC1F1 hybrids with cultivated sunflower
(Paris : International Sunflower Association, 2016)
Helianthus strumosus L. is represented in Novi Sad collection of wild sunflower species with large number of accessions (14 with seed reserves and 20 in the field collection). It is often used as a source of resistance to ...
Testing annual wild sunflower species for resistance to Orobanche cumana Wallr.
(Paris : International Sunflower Association, 2016)
Broomrape (Orobanche cumana Wallr.) is a holoparasitic weed that attacks the roots of sunflower (Helianthus annuus L.) causing yield losses in excess of 30%. It affects mostly warm and dry regions. Development of resistant ...
The effect of sowing date and density on callus induction and shoot regeneration from sunflower anthers
(Paris : International Sunflower Association, 2016)
The success of anther culture depends on numerous factors such as genotype, donor plant growing conditions, anther pre-treatment and development stage, as well as incubation conditions. We have investigated the effect of ...
Influence of seed size grade on sunflower plant high
(Paris : International Sunflower Association, 2016)
The seed size is one of the seed quality components which affect the performance of the crop. In order to equalize the quality, the seeds are processed and packed by grade where seeds are separate by size and specific ...
Path analyses of yield in sunflower (Helianthus annuus L.) parental lines
(Paris : International Sunflower Association, 2016)
Seed yield is very complex trait; it depends on genotype, environmental conditions, on various plant traits etc. Eighteen sunflower commercial parental lines were evaluated for various parameters under field conditions to ...
Morphological characterization of UGA-SAM1 sunflower association mapping population
(Paris : International Sunflower Association, 2016)
In order to use germplasm collections more efficiently and effectively, it is important to characterize the diversity of the germplasm. The objective of this study was to assess morphological diversity of a sunflower ...