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Sowing Date and Varieties Comparison of Autumn Lettuce |
Cheng Yufu; Jiang Dunyun; Zhao Youwei |
Department of Horticulture; Agriculture College; Yangzhou University; 225009 |
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Abstract The experiment on 4 different sowing dates with 7 varieties of Autumn lettuce was conducted,the results showed that earlier bolting is closely correlated with sowing date and varieties. Wide round leaf va rieties are tolerant to bolting,long round leaf varieties take the second place and spear leaf varieties are easy to bolting. The optimum sowing date of autumn lettuce is in the middle of August in Yangzhou district and there are many varieties for the sowing date. If sowing date were ahead of the m...
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Received: 01 January 1900
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