University of Connecticut Cooperative Extension System
Virus and Powdery Mildew Resistant Zucchini Trials 1997

Variety

Resistance1

Company

Wt/Fruit

#Fruit/Plant

Wt(lbs)Plant

Powdery
Mildew2 Disease Rating

Revenue

ZYMV,WMV,CMV

Novartis

0.59 a

6.00 a

3.75 a

3.3 ab

ZS-23

PM

Novartis

0.47 a

6.3 a

3.63 a

1.1 d

Jaguar

ZYMV,WMV

Harris Moran

0.55 ab

5.17 a

3.34 ab

3.1 ab

1776

ZYMV,WMV

Seminis

0.52 abc

4.78 bc

3.22 ab

3.0 bc

ACX34

.

Abbot & Cobb

0.50 cd

3.34 c

2.70 bc

3.3 ab

Dividend

ZYMV,WMV,CMV

Novartis

0.44 bcd

5.00 ab

2.63 bc

3.8 a

Puma

SQMV

Harris Moran

0.47 cd

3.55 bc

2.16 c

3.2 ab

Tigress

ZYMV,WMV

Harris Moran

0.50 d

3.00 c

2.06 c

3.3 ab

1814

ZYMV,WMV

Seminis

0.34 d

3.11 c

1.98 c

3.3 ab

LSD:5%

1Resistance: PM = powdery mildew, ZYMV = zucchini mosaic virus, WMV = watermelon mosaic virus, CMV = cucumber mosaic virus, SQMV = squash mosaic virus

2Disease Rating: 0 = no disease, 1 = lower leaves infected, 2 = lower, mid-leaves and stems infected, 3 = whole plant infected (light), 4 = moderate to severe infection, 5 = dead or dying

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