Table 2. Yield and quality* of total RNA obtained from different grapevine tissue and species.

Species and cultivar

Grapevine Tissue

Absorbance ratios

Yield
(μg/g FW)

A₂₆₀/A₂₈₀

A₂₆₀/A₂₃₀

Vitis vinifera
cv. Zinfandel
(Bunch type)

Leaf

 Young
 Mature healthy
 Infected

1.90
1.67
1.87

2.12
2.22
2.14

540
384
272

Xylem

 Young
 Mature healthy
 Infected

1.87
1.70
1.54

2.36
2.11
2.24

520
347
284

Phloem

 Young
 Mature healthy
 Infected

1.84
1.76
1.52

2.10
2.32
2.22

287
246
132

Petiole

 Young
 Mature healthy
 Infected

1.64
1.55
1.54

2.16
2.24
2.36

460
244
178

Vitis spp cv.Lake Emerald
(Florida Hybrid)

Leaf

 Young
 Mature healthy
 Infected

1.87
1.72
1.64

2.34
2.24
2.11

276
214
110

Vitis rotundifolia cv. Carlos
(Muscadine)

Leaf

 Young
 Mature healthy
 Infected

1.90
1.86
1.68

2.28
2.14
2.10

532
480
275

Xylem

 Young
 Mature healthy
 Infected

1.88
1.62
1.54

2.26
2.13
2.11

209
178
112

Phloem

 Young
 Mature healthy
 Infected

1.72
1.66
1.61

2.31
2.29
2.10

184
096
054

Petiole

 Young
 Mature healthy
 Infected

1.82
1.75
1.72

2.27
2.18
2.14

140
084
032