Sunflower Pollination: Abundance, Diversity and Seasonality of Bees on Male-Sterile and Male-Fertile Cultivars
Pollination and foraging
Parker, Frank D. 1981. Sunflower pollination: Abundance, diversity and seasonality of bees on Male-Sterile and Male-Fertile cultivars. Environmental Entomol. 10(6):1012-1017.
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