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SUNFLOWER

 
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SLAVSON

 

Simple interline hybrid of oleic type.


Originator - Plant Production Institute nd. a V.Ya. Yuryev of NAAS Selection and Genetics Institute - National Center for Seed and Variety Study of NAAS (Odessa).

It has been entered in the Plant Variety Register of Ukraine for growing in steppe and forest-steppe zones of Ukraine since 2012.


Approbation characteristics: plant height - 165 cm; markedly convex calathid up to 24 cm in diameter; huskness – 21%; incrustation – 99.8%; mass of 1,000 seeds - up to 62 g; oil content in seeds – 49.9%.
Biological features: ripeness group – early-maturing, growing season – 97 days. Lodging resistance- high. Shedding resistance - high. Downy mildew resistance - high. Broomrape resistance - high. Sufficiently drought-resistant and root rot resistant.


Economic features: The hybrid crop potential – 4.15 t/ha.
Peculiarities of cultivation technology: recommended density by the harvest term – 55,000 plants per hectare. Preparation of soil and seeds is conventional.


Peculiarities of seed industry: in hybridization areas the parent line seeds are sown in two phases: the pollen fertility restorer is sown after coming-up of the female parent line. Harvesting is performed within the shortest possible time. Seeds may germinate in calathids (in case of increased air humidity and temperature). The yield capacity of the female parent line is up to 1.7 t/ha. The yield of certified seeds is 75%.

 
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