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Beit  Alpha  cucumbers

• AKA,  beta  alpha,  Persian,  Lebanese,  Mini  • Gynoecious  and  parthenocarpic  •  Seedless  &  thin  skinned  • Does  not  require  plasKc  wrap  •  5  to  8  inches  long  • MulKple  fruit  at  each  node  

 English  cucumbers • AKA,  Dutch  • Gynoecious  and  parthenocarpic  •  Seedless  &  thin  skinned  • Requires  plasKc  wrap  •  12  to  16  inches  long  • One  fruit  at  each  node  

Beit alpha English

W.Guan  

Variety   Company   Type  

Bomber   Syngenta   English  

Jawell   Paramount   Beit  alpha  

Kasja   Paramount   English  

Kalunga   Paramount   English  

Loon   Paramount   Beit  alpha  

Manar   Paramount   Beit  alpha  

Sarig   Hazera   Beit  alpha  

Verdon   Rijk  Zwaan   English  

Cucumber varieties for 2012 & 2015 High Tunnel Trials

Experimental  Details

• Transplant in HT last week July (2012); first week April (2015) • 24 inches between plants; 5 foot centers • Fertigated 4X per day • Harvested 3X per week • 2012 trial ran July to September; 2015 trial ran April to late July • Prune

• Beit alpha-all laterals, leave two fruit clusters/node • English-all laterals, leave one fruit/node

Prune  suckers  and  fruit  for  first  12  inches  

Beit  alpha  cucumbers  

Prune  suckers  and  fruit  for  first  12  inches  

English  cucumbers  

Legend      

-­‐  Leaf  

-­‐  Prune  Fruit  

-­‐  Prune  sucker  

-­‐  Cucumber  

a   a  

b   b   b   b  

0  

2  

4  

6  

8  

10  

12  

Manar   Sarig   Kalunga   Verdon   Bomber   Kasja  

Num

ber  p

er  Linear  F

oot  

Variety  

Yield  of  Cucumbers  2012  

Marketable  Fruit  

b   b  

b   b  

a  

b  

b  

c   c   c  

a  

b  

0  

1  

2  

3  

4  

5  

6  

7  

Kalunga   Verdon   Bomber   Kasja   Sarig   Manar  

Disease  Severity  (Graph

 %)  

Cucumber  Variety  

Diseae  Severity  of  Powdery  Mildew    in  Cucumber  VarieKes  2012  

31-­‐Aug  

7-­‐Sep  

P-­‐value  =  0.0002  For  both  dates  

a  

a  

c  c  

b  

0  

5  

10  

15  

20  

25  

30  

Manar   Jawell   Kalunga   Verdon   Loon  

Num

ber  p

er  Linear  F

oot  

Variety  

Yield  of  Cucumbers  2015  

Marketable  Fruit  

P-­‐Values  <  0.0001  

b  b  

a  

b  b  

b   b  

a  

b  

b  

0  

2  

4  

6  

8  

10  

12  

14  

16  

18  

20  

Manar   Jawell   Kalunga   Verdon   Loon  

Disease  Severity  (Graph

 %)  

Cucumber  Variety  

Disease  Severity  of  Powdery  Mildew    in  Cucumber  VarieKes  2015  

26-­‐Jun  

13-­‐Jul  

P-­‐Value  =  0.0063  P-­‐Value  <  0.0001  

Fruit quality: prickly ‘Loon’ variety.

Powdery mildew: 2012 & 2015

Wireworm: March 2015

White mold: 2012

White mold: 2012

Spidermites: 2012

Downy Mildew: 2012