Novel, technical advance: A new grapevine transpiration prototype for grape berries and whole bunch based on relative humidity sensors
نویسندگان
چکیده
• No commercial equipment aimed to measure grape bunch transpiration is available. A new open chamber system that monitors berries/bunch presented. The prototype based on the use of relative humidity sensors. Detaching from plant did not alter gas exchange for several hours. An increased berry resulted in a speeded maturation. Grape considered an important process during maturation, but scientific evidence scarce. In literature, there only one report showing reduced maturation when artificially slowed down. Traditionally, has been measured by weighing berries scale given time, correctly assuming weight reduction due water lost. Commercially available instruments adequate small fruits are suitable whole bunch. Here, we present differential can be used with isolated or alternatively measuring berry/bunch sensors Vaisala. When berries, validation was made using Tempranillo collected at different phenological stages. For prototype, two validations were made. Firstly, measurements inserting inside increasing number Eppendorf tubes filled water. Secondly, bunches sampled output this work fact detaching change rates least validations, values obtained our compared losses inferred obtaining highly significant correlations. We tested applying anti-transpirant, confirming anti-transpirant application and delayed maturity.
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ژورنال
عنوان ژورنال: Computers and Electronics in Agriculture
سال: 2022
ISSN: ['1872-7107', '0168-1699']
DOI: https://doi.org/10.1016/j.compag.2022.106890