Effects of Reflective
Mulches on Mango, Peach, Grape and Date Orchards in Israel
Y. Shahak1, M.A. Flaishman1,
M. Zilberstaine2, Gussakovsky1, Y. Saks3 and
A. Naor3
1Institute of Horticulture,ARO The Volcani Center,Bet-Dagan 50250, Israel;
2Extension Service, Ministry of Agriculture, Bet-Dagan 50250 Israel;
3Golan Research Institute, Kazrin 12900, Israel.
Keywords: reflective mulches, light interception, mango, peach, wine grapes, dates
Abstract: Metalize plastic mulches can improve light interception into orchards by reflecting the otherwise wasted light from the ground back to the tree canopies. The response of fruit trees to the additional reflected light is expected to depend on parameters such as plant species, climatic conditions, nutrition management etc. We will report on studies of light quality and microclimate in mulched orchards, as well as on the effects of the reflective muches on several fruit trees. These include improvements of the red coloration and sugar content in 'Kiett' mango fruits, advanced maturation of early peach varieties, and improved quality of red wine grapes. Negative results obtained in polyethylene-covered peach orchards, and Deglet Noor dates will also be discussed.
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