Aerial Root Formation in Grapevines – Grapes - Extension
Jun 20, 2019 · In tropical areas and greenhouse situations, aerial roots in the grape family (Vitaceae) are common. In these regions, roots that form adventitiously on aerial portions of the vine may provide an adaptive response mechanism to avoid drought or flooding or provide other unknown functions.
Creepy but Harmless: Grape Aerial Roots - University of …
Apr 16, 2020 · Grape aerial roots, in themselves, are harmless. There is no evidence suggesting that they will impact the health or fruit production of the vine. However, grape aerial roots may actually be a sign from the vine that it is stressed or that it …
REMOTE SENSING AND AERIAL IMAGES IN VINEYARD MANAGEMENT.
Mar 30, 2020 · Absolute NDVI values range between 0 and 1, while NDVI values for grapevine foliage typically range between about 0.20 and 0.53. Some aerial image suppliers provide numerous NDVI scales, some of which focus on and provide greater resolution within the NDVI range of grapevine canopies.
Grapevine rootstock and soil microbiome interactions: Keys for a ...
Grapevines are usually cultivated as a scion grafted on rootstocks, which are selected according to pedoclimatic conditions and cultural practices, known as terroir. The rootstock connects the surrounding soil to the vine’s aerial part and impacts scion growth and berry quality.
Aerial Vineyard Mapping - Vigor & Grapevine Disease | VineView
Helping growers improve grape quality, optimize yields, and detect grapevine disease through specialized aerial data solutions.
Genetic architecture of aerial and root traits in field ... - Springer
Jan 5, 2018 · QTLs were identified for traits assessed on field-grown grafted grapevines. Root number and section had the largest phenotypic variance explained. Genetic control of root and aerial traits was independent.
Assessing Grapevine Biophysical Parameters From Unmanned Aerial …
Jun 1, 2022 · Over the last 50 years, many approaches for extracting plant key parameters from remotely sensed data have been developed, especially in the last decade with the spread of unmanned aerial vehicles (UAVs) in agriculture.
Genetic Architecture of Aerial and Root Traits in Field-Grown …
Breeding new rootstocks for perennial crops remains challenging, mainly because of the number of desirable traits which have to be combined, these traits include good rooting ability and root development. Consequently, the present study analyzes the …
NASA Helps Spot Wine Grape Disease From Skies Above California
Aug 4, 2023 · In a case study, scientists detected the costly infection in cabernet sauvignon grapevines before they showed symptoms visible to the human eye. Withering molds, root-rotting bacteria, viruses, and other plant pathogens destroy an …
Applicability of time-of-flight-based ground and multispectral aerial ...
This study investigates the applicability of ground-based 3D time-of-flight (ToF) imaging and small unmanned aerial system (UAS) integrated multispectral imaging as a rapid grapevine canopy vigour mapping tool for decision support during crop production management.