FISIOLOGIA E METABOLISMO DA VIDEIRA CV. SYRAH NO ...

More documents

Recommendations

Info

PHYSIOLOGY AND METABOLISM OF GRAPEVINE CV. SYRAH IN SUBMEDIUM OF THE SAN FRANCISCO VALLEY UNDER THREE IRRIGATION STRATEGIES. Botucatu, 2012, 143p. Tese (Doutorado em Agronomia/Horticultura), Faculdade de Ciências Agronômicas, Universidade Estadual Paulista. Author: CAIO MÁRCIO GUIMARÃES SANTOS Adviser: JOÃO DOMINGOS RODRIGUES Co-adviser: BÁRBARA FRANÇA DANTAS ABSTRACT Viticulture is a relatively recent economic activity in Brazil and the semiarid region of the Submedium of the San Francisco Valley, using drip irrigation, has attracted many international investors to grapes and wine production. The study aimed to evaluate the physiology and metabolism of grapevine ‘Syrah’ under three irrigation strategies (Regulated Deficit Irrigation- RDI, Deficit Irrigation-DI and Full Irrigation-FI,) in the Submedium of the San Francisco Valley. The research was conducted at Embrapa Semiarid, specifically in the Bebedouro Experimental Field, located in Petrolina, Pernambuco-Brazil. The statistical design was in randomized blocks, factorial in three regimens: 3 x 5, three irrigation strategies and five evaluations of leaf water potential (Ψb), SPAD chlorophyll content and activity of the nitrate reductase enzyme (NR); 3 x 6, three irrigation strategies and six evaluations for gas exchange, soluble sugars, reducing sugars, total soluble protein and invertase activity, and 3 x 3, three irrigation strategies and three evaluations for the chemical variables: soluble solids, titratable acidity, soluble solids / titratable acidity and pH, nine replicates for each treatment. The imposition of water deficit from the phenological phase of 'closed lock' in grapevine ‘Syrah’ results in the plant cycle with greater efficiency in water use and savings on water resources. The rootstock ‘1103 Paulsen’ demonstrates tolerance and / or resistance to water deficit and scion ‘Syrah’, anisohydric behavior. The greater water availability in the full irrigation
17 promotes the highest rates of assimilation, transpiration and stomatal conductance at 73 and 87 days after pruning. It also provides the highest activity of nitrate reductase at the end of the cycle. The lower density of active photosynthetic photon flux at 101 days after pruning influences in higher internal CO 2 concentration in the substomatal chambers and lower efficiency in vivo carboxylation enzyme Rubisco. Maintaining high levels of SPAD chlorophyll in the leaves between 60 and 101 days after pruning indicates good working of the photosynthetic apparatus. The deficit irrigation provides greater average activity of acid invertase wall at the end of the cycle. The acidity of the wine is reduced and the total soluble sugars, reducing sugars, soluble solids and soluble solids/titratable acidity increase for all irrigation strategies at the end of the cycle. _______________________________________ Keywords: Sugar, nitrate reductase, water deficit, gas exchange, invertases
Page 1 and 2: UNIVERSIDADE ESTADUAL PAULISTA “J
Page 5 and 6: III DEDICATÓRIA Ao amor divino de
Page 7 and 8: V Aos funcionários do CPATSA: Zizi
Page 9 and 10: VII 4.2.TROCAS GASOSAS.............
Page 11 and 12: IX IAP - invertase ácida da parede
Page 13 and 14: XI LISTA DE TABELAS Tabela 1. Resum
Page 15 and 16: XIII poda (DAP) em função de trê
Page 17: 15 anisohídrico. A maior disponibi
Page 21 and 22: 19 no Nordeste Semiárido brasileir
Page 23 and 24: 21 2 REVISÃO DE LITERATURA 2.1 Vit
Page 25 and 26: 23 vez que a composição da uva é
Page 27 and 28: 25 videira vem sendo cultivada, com
Page 29 and 30: 27 apresentam desenvolvimento de ra
Page 31 and 32: 29 forma a manter sempre uma elevad
Page 33 and 34: 31 (fruit set) e a formação das b
Page 35 and 36: 33 produção de fitomassa depende
Page 37 and 38: 35 entanto, as relações fonte-dre
Page 39 and 40: 37 2.5.3 Compostos Nitrogenados O n
Page 41 and 42: 39 exterior ficam localizadas as su
Page 43 and 44: 41 3.2 Caracterização do Experime
Page 45 and 46: 43 Figura 1. Temperatura (A), insol
Page 47 and 48: Figura 4. Escala de Baggiolini para
Page 49 and 50: 47 relação entre a quantidade de
Page 51 and 52: 49 A determinação do teor de prot
Page 53 and 54: 51 foram determinadas no mosto o te
Page 55 and 56: 53 Tabela 1. Resumo da análise de
Page 57 and 58: 55 ao défice hídrico podem modula
Page 59 and 60: 57 Em videira o ajustamento osmóti
Page 61 and 62: 59 maturação das bagas, indicando
Page 63 and 64: 61 nebulosidades durante as avalia
Page 65 and 66: 63 dos drenos, podem ter provocado
Page 67 and 68: 65 m -2 s -1 ) que manteve elevados
Page 69 and 70:
67 Tabela 6. Taxa de transpiração
Page 71 and 72:
69 CO 2 . A limitação da fotossí
Page 73 and 74:
71 A condutância estomática respo
Page 75 and 76:
73 Tabela 8. Condutância estomáti
Page 77 and 78:
75 ambiente controlado. Este autor
Page 79 and 80:
77 mol -1 H 2 O e 2,72 μmol CO 2 m
Page 81 and 82:
79 alcançando -0,451 MPa, sendo o
Page 83 and 84:
81 Tabela 13. Resumo da análise de
Page 85 and 86:
83 4.3 Teor SPAD de Clorofila A qua
Page 87 and 88:
85 Na literatura se encontram algun
Page 89 and 90:
87 nitrato das raízes até as folh
Page 91 and 92:
89 assim como para a atividade foto
Page 93 and 94:
91 metabolismo e agir na recuperaç
Page 95 and 96:
93 Tabela 20. Teor de proteína sol
Page 97 and 98:
95 amadurecimento de bagas, quando
Page 99 and 100:
97 Tabela 23. Açúcar redutor (AR,
Page 101 and 102:
99 2009; RUAN et al., 2009) e desen
Page 103 and 104:
101 dessa enzima durante o ciclo se
Page 105 and 106:
103 (através da matriz da parede c
Page 107 and 108:
105 e DURING, 1991). Além disso, o
Page 109 and 110:
107 a poda (98, 105 e 112). Isso po
Page 111 and 112:
109 No presente trabalho os resulta
Page 113 and 114:
111 de sólidos solúveis e pH, ass
Page 115 and 116:
113 adaptação a ambientes desfavo
Page 117 and 118:
115 A manutenção de elevado teor
Page 119 and 120:
117 ALSCHER, R. G.; DONAHUE, J. L.;
Page 121 and 122:
119 BRAVDO, B. Physiological mechan
Page 123 and 124:
121 CLIMACO, P.; ABRANTES, M. L.; C
Page 125 and 126:
123 DRY, P. R. et al. Strategic irr
Page 127 and 128:
125 FOYER, C. H.; GALTIER, N. Sourc
Page 129 and 130:
127 HAYES, M. A.; DAVIES, C.; DRY,
Page 131 and 132:
129 KIRSCHBAUM, M. U. F. Recovery o
Page 133 and 134:
131 LOBATO, A. K. S. et al. Biochem
Page 135 and 136:
133 MCCARTHY, M. G. The effect of t
Page 137 and 138:
135 OLLAT, N. et al. Grape berry de
Page 139 and 140:
137 PONI, S.; BERNIZZONI, F.; REINO
Page 141 and 142:
139 RUFFNER, H. P.; BREM, S.; MALIP
Page 143 and 144:
141 SPONHOLZ, W. R. Nitrogen compou
Page 145:
143 demonstrates the importance of
show all

FISIOLOGIA E METABOLISMO DA VIDEIRA CV. SYRAH NO ...

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?