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Titolo:
EFFECTS OF ROOTING-ZONE RESTRICTION ON THE CHANGES IN CARBOHYDRATES AND NITROGENOUS COMPOUNDS IN KYOHO GRAPEVINES DURING WINTER DORMANCY AND EARLY SHOOT GROWTH
Autore:
WANG SP; OKAMOTO G; HIRANO K;
Indirizzi:
OKAYAMA UNIV,GRAD SCH NAT SCI & TECHNOL,TSUSHIMA NAKA 3-1-1 OKAYAMA 7008530 JAPAN OKAYAMA UNIV,FAC AGR OKAYAMA 7008530 JAPAN
Titolo Testata:
Engei Gakkai Zasshi
fascicolo: 4, volume: 67, anno: 1998,
pagine: 577 - 582
SICI:
0013-7626(1998)67:4<577:EORROT>2.0.ZU;2-W
Fonte:
ISI
Lingua:
JPN
Keywords:
KYOHO GRAPE; ROOTING-ZONE RESTRICTION; VINE NUTRITION; SHOOT GROWTH; BERRY SET;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
6
Recensione:
Indirizzi per estratti:
Citazione:
S.P. Wang et al., "EFFECTS OF ROOTING-ZONE RESTRICTION ON THE CHANGES IN CARBOHYDRATES AND NITROGENOUS COMPOUNDS IN KYOHO GRAPEVINES DURING WINTER DORMANCY AND EARLY SHOOT GROWTH", Engei Gakkai Zasshi, 67(4), 1998, pp. 577-582

Abstract

Changes in carbohydrates and nitrogenous compounds in 'Kyoho' grapevines, grown under restricted rooting-zone conditions and in non-restricted conditions (control), were analysed during winter dormancy until full bloom. There were no significant differences in levels of sugars and starch, and total-N between the treated and control during winter dormancy. At bud-burst, however, vines with restricted rooting-zone contained more sugars in small roots but lower N level in the trunk and cane, compared to those with unrestricted rooting volume. Similar trends were observed in xylem sap collected from the trunk base at bud burst, young shoots disbudded 2 and 3 weeks after bud burst, and shoots and flower clusters at full bloom. Relationships between the nutritionalstatus and retarded shoot growth, accompanied with improved berry set, in vines grown under restricted rooting-zone are discussed.

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Documento generato il 29/11/20 alle ore 00:12:06