Results 31 to 40 of about 63,264 (268)

Manejo do dossel vegetativo da videira e seu efeito na composição do vinho Merlot Grapevine canopy management effects on Merlot wine composition

open access: yesPesquisa Agropecuária Brasileira, 2009
O objetivo deste trabalho foi avaliar o efeito de modalidades de poda verde da videira (Vitis vinifera L.) na composição do vinho Merlot. Um experimento foi conduzido de 1993/1994 a 1996/1997, em Bento Gonçalves, RS, com uma testemunha e 11 modalidades ...
Alberto Miele   +2 more
doaj   +1 more source

Leaf Removal Impacted Jasmonic Acid Metabolism and AsA-GSH in the Roots of Malus baccata (L.) Borkh. under Suboptimal Low Root-Zone Temperatures

open access: yesHorticulturae, 2022
In the early growing season in northern China, suboptimal low root-zone temperatures is a common abiotic stress that impairs root function and leaf development in fruit trees.
Ping Dai   +5 more
doaj   +1 more source

Tolerance of Salsify (Tragopogon graminifolius) to Simulated Herbivory [PDF]

open access: yesIkufīziyuluzhī-i Giyāhān-i Zirā̒ī, 2014
The ability of plants to reduce the negative effects of leaf removal or simulated herbivory on their growth is defined as their tolerance. Tragopogon graminifolius is a herbaceous perennial weed distributed around the world.
N. Valaie, S.Z. Hosseini Cici
doaj  

Effect of Canopy Management Practices during forward Pruning on Berry Development and Photosynthesis in Tas-A-Ganesh Grapes

open access: yesJournal of Horticultural Sciences, 2014
Effect of canopy manipulation during forward pruning on berry development and photosynthetic parameters was studied in Tas-A-Ganesh grape grafted onto Dogridge rootstock.
R G Somkuwar   +4 more
doaj   +1 more source

Unravelling the effects of berry size on ‘Tempranillo’ grapes under different field practices [PDF]

open access: yesCiência e Técnica Vitivinícola, 2019
Small berries are considered to produce the best red wines as berry size determines the skin to pulp ratio and may affect wine composition. However, contrasting results have been reported about this postulate. In this context, the aim of this work was to
Mirás-Avalos José M.   +6 more
doaj   +1 more source

Early leaf removal impact on volatile composition of Tempranillo wines [PDF]

open access: yesJournal of the Science of Food and Agriculture, 2011
AbstractBACKGROUND: Early defoliation is a very innovative technique in viticulture used for yield management. The effects of early leaf removal performed manually and mechanically at two different phenological stages, pre‐bloom and fruit set, on the volatile composition of Tempranillo (Vitis vinifera L.) wines were studied.
Vilanova, Mar   +4 more
openaire   +6 more sources

Effects of leaf removal on aromatic precursor dynamics during maturation of Ribolla Gialla grapes (Vitis vinifera L.)

open access: yesBIO Web of Conferences, 2019
Leaf removal is a viticultural practice applied in order to improve fruit-zone microclimate and berry quality. The aim of this trial was to evaluate the effect of post-flowering leaf removal on maturation and biosynthesis of terpenes and and C13 ...
Voce Sabrina   +6 more
doaj   +1 more source

Evaluation of site-specific management to optimise Vitis vinifera L. (cv. Tannat) production in a vineyard with high heterogeneity

open access: yesOENO One, 2022
The spatial variability of vineyards can be characterised through precision viticulture that will allow setting the boundaries of homogeneous management zones.
Gustavo Pereyra   +3 more
doaj   +1 more source

Effects of Defoliation at Fruit Set on Vine Physiology and Berry Composition in Cabernet Sauvignon Grapevines

open access: yesPlants, 2021
Grapevine canopy defoliation is a fundamentally important technique for the productivity and quality of grapes. Leaf removal is a pivotal operation on high-density vines which aims to improve air circulation, light exposure, and leaf gas exchange.
Eleonora Cataldo   +4 more
doaj   +1 more source

Cluster Removal on La Crescent and Leaf Removal on Marquette Grapevines

open access: yes, 2017
As part of the Northern Grapes Project, research has evaluated various cultural practices to aid in understanding the performance of cold-hardy grape vines (Vitis vinefera-based hybrids) in cold climates. This multi-state research project has led to increased production of cold-hardy grapevines and consumer acceptance.
McCabe, Kenneth   +2 more
openaire   +2 more sources

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