Abstract
A disorder affecting the inflorescence of grapevines was identified and described. It occurs at any time from the early appearance of the inflorescence until flowering, causing shrivelling and death of some or all branches on the peduncle or bunch. It seems not to be caused by fungi or other pathological agent. Its appearance and development resemble stiellaehme or bunchstem necrosis (BSN), excepting that it occurs much earlier; thus the name 'early bunchstem necrosis' (EBSN) is suggested. Like BSN its aetiology appears to be related to the effects of specific inorganic chemicals. EBSN-like symptoms were induced by the cations Ca++ and NH4+but no response was found to K + and Mg++. There was considerably more EBSN in shaded compared with unshaded vines. No control or protective measures have so far been found.
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Claims 7
Claim · model-written summary
An inflorescence disorder in grapevines was identified, causing shrivelling and death of peduncle or bunch branches before flowering.
- Organ / stage
- inflorescencee0
- Outcome
- shrivelling and death of some or all branches on the peduncle or bunche0
VitisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A disorder affecting the inflorescence of grapevines was identified and described. It occurs at any time from the early appearance of the inflorescence until flowering, causing shrivelling and death of some or all branches on the peduncle or bunch.”
Claim · model-written summary
The authors suggest the name early bunchstem necrosis for this earlier disorder.
- Outcome
- name 'early bunchstem necrosis' (EBSN)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“thus the name 'early bunchstem necrosis' (EBSN) is suggested”
e1“grapevines”
Claim · model-written summary
Ca++ induced EBSN-like symptoms in grapevines.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“EBSN-like symptoms were induced by the cations Ca++ and NH4+”
e1“grapevines”
Claim · model-written summary
NH4+ induced EBSN-like symptoms in grapevines.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“EBSN-like symptoms were induced by the cations Ca++ and NH4+”
e1“grapevines”
Claim · model-written summary
K + produced no EBSN response in grapevines.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no response was found to K + and Mg++”
e1“EBSN-like symptoms”
e2“grapevines”
Claim · model-written summary
Mg++ produced no EBSN response in grapevines.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no response was found to K + and Mg++”
e1“EBSN-like symptoms”
e2“grapevines”
Claim · model-written summary
Shaded grapevines had considerably more EBSN than unshaded vines.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was considerably more EBSN in shaded compared with unshaded vines.”
e1“grapevines”
The same questions in other papers
magnesium atom · disease · VitisPositive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- no effect
calcium atom · disease · VitisPositive and negative results
2 papers in the same direction as this paper · 9 in the opposite direction
- positive
- positive
- positive
8 papers more in this group
See all 12 papers →shade · disease · VitisResults agree
2 papers in the same direction as this paper
- negative
- no effect
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.