Chen ShifrissAgricultural Research Organization, The Volcani Center, Bet Dagan, Israel
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Asaf Guri
Asaf GuriAgricultural Research Organization, The Volcani Center, Bet Dagan, Israel
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Contributor Notes
Received for publication June 2, 1978. Contribution no. 162-E, 1978 series from the Volcani Center, ARO, Bet Dagan, Israel.
The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper must therefore be hereby marked advertisement solely to indicate this fact.