Abstract
The rooting of rootstocks is considered a critical point in the production of high-quality grapevine planting material. To maximize the cutting rhizogenesis process, plant hormones, such as auxins, are used for the development of adventitious roots. In addition, some groups of biostimulant have as their main role the development of root system, ensuring good growth of the plant aerial part. However, research using algae extract-based biostimulants in vegetative propagation of vine rootstocks is scarce. In this sense, the objective of this work was to evaluate the use of the biostimulant based on algae extract and indolebutyric acid (IBA), in the development of the root system and vegetative growth of grapevine rootstocks. The rootstocks evaluated were ‘3309 C’, ‘101-14 Mgt’, ‘Paulsen 1103’, ‘99 R’, ‘110 R’, ‘Kober 5BB’, ‘SO4’, ‘420A Mgt’, ‘Solferino’, ‘Gravesac’, ‘IAC 572’, ‘IAC 766’, ‘IAC 313’, ‘Harmony’, ‘Freedom’, ‘Salt Creek’ and ‘VR 043- 43’. The experimental design was completely randomized with four replications, arranged in a factorial scheme, involving 17 rootstocks associated with four treatments to stimulate rooting (IBA, algae extract, IBA + algae extract and control). The use of indolebutyric acid and algae extract-based biostimulant proved to be efficient in rooting woody cuttings from different vine rootstocks. The use of IBA, algae extract-based biostimulant and IBA combined with algae extract resulted in higher rates of rooting and development than the control. The rootstocks presenting the highest rooting rates and vegetative development were ‘IAC 572’ and ‘Freedom’. ‘Gravesac’, ‘101-14 Mgt’ and ‘99 R’, showing high rates of rooting and root development, but low vegetative development. The rootstocks exhibiting the lowest rooting rates and vegetative development were ‘Salt Creek’, ‘VR 043-43’ and ‘110 R’.
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Claims 11
Claim · model-written summary
IBA increased rooting and development versus control.
VitisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of IBA, algae extract-based biostimulant and IBA combined with algae extract resulted in higher rates of rooting and development than the control.”
t0“grapevine rootstocks”
Claim · model-written summary
algae extract-based biostimulant increased rooting and development versus control.
- Treatment
- algae extract-based biostimulante0
- Outcome
- rates of rooting and developmente0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of IBA, algae extract-based biostimulant and IBA combined with algae extract resulted in higher rates of rooting and development than the control.”
t0“grapevine rootstocks”
Claim · model-written summary
IBA combined with algae extract increased rooting and development versus control.
- Treatment
- IBA combined with algae extracte0
- Outcome
- rates of rooting and developmente0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of IBA, algae extract-based biostimulant and IBA combined with algae extract resulted in higher rates of rooting and development than the control.”
t0“grapevine rootstocks”
Claim · model-written summary
‘IAC 572’ had the highest rooting rates and vegetative development.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rootstocks presenting the highest rooting rates and vegetative development were ‘IAC 572’ and ‘Freedom’.”
t0“grapevine rootstocks”
Claim · model-written summary
‘Freedom’ had the highest rooting rates and vegetative development.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rootstocks presenting the highest rooting rates and vegetative development were ‘IAC 572’ and ‘Freedom’.”
t0“grapevine rootstocks”
Claim · model-written summary
‘Gravesac’ showed high rooting and root development but low vegetative development.
- Material
- ‘Gravesac’e0
- Outcome
- high rates of rooting and root development, but low vegetative developmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Gravesac’, ‘101-14 Mgt’ and ‘99 R’, showing high rates of rooting and root development, but low vegetative development.”
t0“grapevine rootstocks”
Claim · model-written summary
‘101-14 Mgt’ showed high rooting and root development but low vegetative development.
- Material
- ‘101-14 Mgt’e0
- Outcome
- high rates of rooting and root development, but low vegetative developmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Gravesac’, ‘101-14 Mgt’ and ‘99 R’, showing high rates of rooting and root development, but low vegetative development.”
t0“grapevine rootstocks”
Claim · model-written summary
‘99 R’ showed high rooting and root development but low vegetative development.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Gravesac’, ‘101-14 Mgt’ and ‘99 R’, showing high rates of rooting and root development, but low vegetative development.”
t0“grapevine rootstocks”
Claim · model-written summary
‘Salt Creek’ had the lowest rooting and vegetative development.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rootstocks exhibiting the lowest rooting rates and vegetative development were ‘Salt Creek’, ‘VR 043-43’ and ‘110 R’.”
t0“grapevine rootstocks”
Claim · model-written summary
‘VR 043-43’ had the lowest rooting and vegetative development.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rootstocks exhibiting the lowest rooting rates and vegetative development were ‘Salt Creek’, ‘VR 043-43’ and ‘110 R’.”
t0“grapevine rootstocks”
Claim · model-written summary
‘110 R’ had the lowest rooting and vegetative development.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rootstocks exhibiting the lowest rooting rates and vegetative development were ‘Salt Creek’, ‘VR 043-43’ and ‘110 R’.”
t0“grapevine rootstocks”
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See all 21 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.