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- Goplen, B. P., et al. Show all 2 Author
- Agronomy journal 1975 v.67 no.6 pp. 804-806
- Medicago sativa; Megachile rotundata; alfalfa; bees; florets; flower color; flowering; pods; pollination; racemes; seed set; seed weight; seed yield; seeds
- ... Many studies have been carried out to demonstrate that alfalfa (Medicago sativa L.) plants vary in their attractiveness to bees. Flower color has often been implicated as one of the factors in attractiveness, but the reports are conflicting and inconclusive. Field observations by the authors indicated that yellow flowered alfalfa plants were tripped less frequently and set less seed than the commo ...