[Market Farming] Fwd: Celtuce (Stem lettuce, Woo Chu, Wo Sun) Seeds
Lawrence F. London, Jr.
lflj at bellsouth.net
Wed Feb 2 17:38:07 EST 2011
http://www.agrohaitai.com/rootstem/celtuce/celtuce.htm
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Celtuce (Lactuca sativa asparagina) 1-1.5g/1000 seeds
Other names: celery lettuce, asparagus lettuce, stem lettuce, Wo Ju, Woo
Chu, Wo Sun, Stemuretasu, Kaki-Jisha.
Celtuce is native to China. It is mostly grown in South China. It is a
cool season crop. Seeds germinate poorly when
temperature is high. Usually, optimum germination temperature is 15-20℃.
Except special summer cultivars, most celtuces
are sensitive to bolting in hot summer. Shortage of water and fertilizer
as well as big day-night temperature difference
may contribute to premature bolting. Recommended planting density:
20-30cm between plants in a row. For commercial
production, transplanting is recommended.
The stem is used for vegetable in China. however, the leaves can be used
as lettuce for salads.
#VLs108
Spring: An early variety. Both heat resistant and cold resistant.
Oval-shaped leaves in green color. Tender and crisp
flesh is white. It grows well between 8℃ and 25℃. The weight can be
1Kg. Suitable for spring planting.
#VLs109
Summer 38: An early variety. 38 days after transplanting. Heat resistant
and good bolting resistant. It grows well at
18℃-32℃.Tender and crisp flesh is white. The weight can be 1Kg. Suitable
for summer and fall planting.
#VLs112
Nahan: It is highly tolerant to cold and grows well at 5℃-18℃. Green
stem with white tender flesh inside. The weight
can be 1Kg. This variety bolts in hot weather, like summer.
Leaf Vegetables | Fruit & Gourd Vegetables | Root & Stem Vegetables |
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