In:
Romanian journal of Horticulture, Academia de Stiinte Agricole si Silvice 'Gheorghe Ionescu-Sisesti', Vol. 1, No. 1 ( 2020-12-12), p. 111-118
Abstract:
Climatic accidents increase in frequency due to climatic changes. Hailstorms are
typically localized events and are known few studies about their effect on grapevine. The objective of this study was to examine the vine vegetative balance responses to
natural hail, registered when shoots were 10-15 cm height. Four grape cultivars (Vitis vinifera L.), two for red wine (Feteascǎ Neagrǎ, Pinot Noir) and two for white wine
(Chardonnay, Tǎmȃioasǎ romȃneascǎ) were studied in Dealu Mare, one of the most known vineyards in Romania. Visibly, the extent of the hailstorm damage was great,
enough to injure or remove about 90% of shoots growth till hail fall. Three treatments with Delfan Plus (amino-acids complex) were applied on grapevine
canopy. Number of shoots/vine and number of fertile shoots/vine were counted and biologic balance of grapevine indexes were calculated. Our results indicated that
natural hail affect significantly the number of fertile shoots. Delfan Plus treatments positively influenced the number of shoots and fertile shoots. Delfan Plus treatments
had little influence on Recovery index, vine Balance indexes and Ensurance Coefficient after one single year of study. The capacity of recovery after hail fall, in
this case, is more influenced by the grape cultivar. The present work is the first attempt to enhance our understanding on the vegetative responses of grapevines to
the use of biostimulants and to natural hail, which is an extreme and complex natural phenomenon.
Type of Medium:
Online Resource
ISSN:
2734-8083
,
2734-7656
DOI:
10.51258/RJH.2020.15
Language:
Unknown
Publisher:
Academia de Stiinte Agricole si Silvice 'Gheorghe Ionescu-Sisesti'
Publication Date:
2020
detail.hit.zdb_id:
3051627-4
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