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Influence of substrate, chemical treatment and length of storage on sunflower seed germination
(Paris : International Sunflower Association, 2012)
For determination of sunflower seed quality several substrates are in use: sand, soil, compost and filter paper where sand is most commonly used. Sand enables good contact of seeds and substrate and decreases possibility ...
Genetic diversity of Macrophomina phaseolina isolates from different regions and host plants
(Paris : International Sunflower Association, 2012)
Macrophomina phaseolina (Tassi) Goid. is a soil borne pathogen with a wide host range which causes disease on more than 500 cultivated and wild plant species. The absence of host specificity and its geographic distribution ...
Screening perennial Helianthus species for powdery mildew
(Paris : International Sunflower Association, 2012)
Powdery mildew (Erysiphe cichoracearum) has been reported as a potential constraint for sunflower growing in regions with warm climate. Severity of disease varies depending on the sunflower genotype. Aim of this research ...
Feasibility of keeping F, interspecific sunflower hybrids
(Paris : International Sunflower Association, 2012)
Helianthus genus comprises 14 annual and 37 perennial species. Perennial species reproduce vegetatively (rhizomes, tubers) so that it is relatively easy to maintain them in ex situ collections in the field. Hybrid plants ...