sunflowers garden

agriculture agronomy algorithms artificially bacterial breeding change climate cold control crop daisy day disease diversity downy drought engineering fertilization field flower fusarium garden generated genetic genetics growth heat herb herbicide hybridization irrigation learning length longevity machine maturity mildew modification mutation nature nematode pathogen pesticide petal photoperiodism phytophthora plant pollen potential produce quality rate representation resistance rust seed soil storage stress sunflower sunflowers temperature tolerance transgenic vegetable verticillium visual weed wildflower wilt yellow yield