The 2011 ASHS Annual Conference
Photoselective Netting: The Concept, Research and Implementation In Various Crops
Our studies in ornamental crops (foliage, cut-flowers) revealed pronounced effects of the photoselective shading relative to the traditional black shading. These include stimulated vegetative vigor, dwarfing, enhanced branching, and effects on leaf size and variegation, time-to-flowering, and flower quality. In vegetables (bell peppers, tomatoes) we found certain photoselective nets to markedly increase the productivity, compared with the common-practice protection. Moreover, the photoselective features of the shade nets affected the crop infestation by insect-pests and their carried viral diseases, as well as the occurrence of pathogenic fungal diseases. The combined effects resulted in better crop yields, improved fruit quality (both pre- and post-harvest) and lower susceptibility to decay during storage. Netting studies of fruit tree crops, traditionally grown un-netted (e.g. apples, pears, table-grapes) revealed multiple benefits of the netting. The photoselective responsive parameters included productivity, fruit maturation rate, fruit size, and fruit quality.
The lecture will summarize major breakthroughs achieved in ornamentals, vegetables, and fruit crops in Israel, and illustrate practical applications by growers worldwide.
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