Breeding of a new cutting sunflower variety,Minri 1

The spontaneously mutated male individuals of the pollen abortion ornamental sunflower were used to breed the cutting sunflower,"Minri 1" by hybridizing,backcrossing and inbreeding.The new variety has an apparently different flower color from their parents.In particular,its yellow petals,green discs,black anthers,yellow pollens and flamboyant and distinct flower discs give the stable ornamental characteristics.Minri 1has a growth period of 80-120 d.Its plant height is 115-170 cm with flower diameter of 11-15 cm,petal number of 35-45,and a cut flower lifespan of 8-14 d.The vigorous,adaptable,new variety has a short growth period,can be cultivated year-round and provides a cutting output of 90000-120000 pieceshm-2.