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Evaluation of exclusion netting for insect pest control and fruit quality enhancement in tree crops

Lloyd, A., Hamacek, E., George, A., Nissen, R. and Waite, G. (2005) Evaluation of exclusion netting for insect pest control and fruit quality enhancement in tree crops. In: International symposium on harnessing the potential of horticulture in the Asian-Pacific Region. ISHS Acta Horticulturae (694). International Society for Horticultural Science, 6 pages.

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Article Link: http://www.actahort.org/books/694/694_41.htm


This work evaluated the following aspects of the use of exclusion netting in low chill stone fruit: the efficacy of protection from fruit fly for this highly susceptible crop; the effects on environmental factors; and the effects on crop development. Concurrently, an economic viability study on the use of exclusion netting was undertaken. The trial site was a 0.6-ha block of low chill stone fruit at Nambour, south-east Queensland, Australia. In this area, populations of Queensland fruit fly (Bactrocera tryoni) are known to be substantial, particularly in spring and summer. The trial block contained healthy 4-year-old trees as follows: 96 peach trees (Prunus persica cv. Flordaprince) and 80 nectarine trees (40 P. persica var. nucipersica cv. White Satin and 40 P. persica var. nucipersica cv. Sunwright). Exclusion netting was installed over approximately half of the block in february 2001. The net was a UV-stabilized structural knitted fabric made from high-density polyethylene yarn with a 10-year prorated UV degradation warranty. The results demonstrated the efficacy of exclusion netting in the control of fruit flies. Exclusion netting increased maximum temperatures by 4.4 deg C and decreased minimum temperatures by 0.5 deg C. Although exclusion netting reduced irradiance by approximately 20%, it enhanced fruit development by 7-10 days and improved fruit quality by increasing sugar concentration by 20-30% and colour intensity by 20%.

Item Type:Book Section
Business groups:Horticulture and Forestry Science
Subjects:Agriculture > Agriculture (General)
Plant pests and diseases
Science > Entomology
Live Archive:19 Apr 2013 06:05
Last Modified:03 Sep 2021 16:44

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