Losses in fruit for export resulting from wind and sunburn can be as high as 28% and 27% respectively. The shading provided by netting over a crop modulates the microclimate, allowing the environment to be more favourable for fruit production and for the reduction of quality defects.
Year: <span>2022</span>
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Impact of Anti-Insect nettings on the GreenHouse microclimate
Bemisia tabaci or whitefly is a pest that seriously affects production, and its control is indispensable in any horticultural crop. In protected crops it is very important to make a correct selection of anti-insect net, with an adequate thread density and quality, to ensure that the insect cannot pass through its pores, and that these are of the same size over the whole surface of the netting, i.e. they are homogeneous.
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Properties of Photoselective Netting
Photoselective netting has the property of projecting different parts of the spectrum, depending on the type of net and its colour. The light fraction passing through the holes in the netting remains unchanged, whereas the light hitting the yarns is spectrally modified and diffused at the exit. Depending on the pigmentation of the yarn and the weave design, with different fibres and varying density, the netting provides mixtures of unmodified light and spectrally modified dispersed light.
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What is HLB or citrus greening?
HLB (Huanglongbing) or citrus greening is regarded as the primary citrus disease in terms of economic damage worldwide. It is the most important, serious and destructive disease and is present in the citrus-growing areas of the African, American and Asian continents. It is necessary to involve EVERYONE in its control, not only the agricultural sector, but also citizens in general, whether they have citrus trees in their gardens (in other countries the first outbreaks of both insect vectors and the disease have occurred in private gardens) or not, because the arrival of contaminated plant material and fruit can spread the disease.
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