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United States Department of Agriculture

Agricultural Research Service

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Research Project: Drought-Tolerant Lettuce and Spinach Varieties for Adaptation to Climate Change

Location: Crop Improvement and Protection Research

2012 Annual Report


1a.Objectives (from AD-416):
To develop drought-tolerant lettuce and spinach germplasm that is adapted to global warming.


1b.Approach (from AD-416):
We will use germplasm screening and breeding to find and create drought-tolerant lettuce and spinach germplasm, and test them in spring and summer trials conducted in coastal, Central and Imperial Valleys of California.


3.Progress Report:

This project contributes directly to the objectives 1 and 3 of the in-house project, genetic improvement of lettuce and spinach. This report documents research conducted under a Reimbursable Agreement between ARS and California Department of Food and Agriculture. Global warming and climate change pose serious challenges to California agriculture and place unprecedented pressures on the sustainability of horticulture industry. Adapting the leafy greens industry to future conditions is essential to meet the need of growing population and increasing demand for leafy vegetable products. Lettuce accessions of the U.S. germplasm collection are being screened in a greenhouse under drought conditions together with normal control plants in a preliminary experiment. By using these methods we were able to identify different lettuce genotypes that can tolerate drought stress.


Last Modified: 4/16/2014
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