Relevance of electrostatic forces in natural and artificial pollination

JInstitute of Agricultural Engineering, Agricultural Research Organizatio~, P.O. Box 6: Bet.Dagan 50250,. Israel .. 2Department ofBotany, Tel-Aviv University. Tel Aviv 69978, Israel. 3Faculty ofAgricultural Engmeerll1g. The Techmon, H.aif~32000. Israel. Received 30 August 1994; accepted 15 June 1995. Contribution from the Agricultural Research OrgamzatlOn. The Volcani Cellter, Israel. No. 1414-E, 1994 Series. This research was supported in part by grant No. US-1996-91 from BARD. the US-Israel Binational Agricultural Research and Development Fund.