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Plant Sciences

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Utah State University

2018

Salinity

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Relative Salt Tolerance Of 22 Pomegranate (Punica Granatum) Cultivars, Youping Sun, Genhua Niu, Joseph G. Masabni, Girisha Ganjegunte Oct 2018

Relative Salt Tolerance Of 22 Pomegranate (Punica Granatum) Cultivars, Youping Sun, Genhua Niu, Joseph G. Masabni, Girisha Ganjegunte

Plants, Soils, and Climate Faculty Publications

A greenhouse experiment was conducted to determine the relative salt tolerance of pomegranate (Punica granatum) cultivars. Twenty-two pomegranate cultivars were irrigated weekly with a saline solution at an electrical conductivity (EC) of 10.0 dS·m–1 for 4 weeks and subsequently with a saline solution at an EC of 15.0 dS·m–1 for another 3 weeks (salt treatment). Another group of uniform plants was watered with a nutrient solution without additional salts at an EC of 1.2 dS·m–1 (control). No visual foliar salt damage (leaf burn, necrosis, or discoloration) was observed during the entire experimental period; however, salt treatment impacted pomegranate growth negatively, …


Salt Tolerance Of Six Switchgrass Cultivars, Youping Sun, Genhua Niu, Girisha Ganjegunte, Yanqi Wu Apr 2018

Salt Tolerance Of Six Switchgrass Cultivars, Youping Sun, Genhua Niu, Girisha Ganjegunte, Yanqi Wu

Plants, Soils, and Climate Faculty Publications

Panicum virgatum L. (switchgrass) cultivars (‘Alamo’, ‘Cimarron’, ‘Kanlow’, ‘NL 94C2-3’, ‘NSL 2009-1’, and ‘NSL 2009-2’) were evaluated for salt tolerance in two separate greenhouse experiments. In experiment (Expt.) 1, switchgrass seedlings were irrigated with a nutrient solution at an electrical conductivity (EC) of 1.2 dS·m−1 (control) or a saline solution (spiked with salts) at an EC of 5.0 dS·m−1 (EC 5) or 10.0 dS·m−1 (EC 10) for four weeks, once a week. Treatment EC 10 reduced the tiller number by 32% to 37% for all switchgrass cultivars except ‘Kanlow’. All switchgrass cultivars under EC 10 had a significant reduction of …


Responses Of Marigold Cultivars To Saline Water Irrigation, Youping Sun, Genhua Niu, Christina Perez, H. Brent Pemberton, James Altland Apr 2018

Responses Of Marigold Cultivars To Saline Water Irrigation, Youping Sun, Genhua Niu, Christina Perez, H. Brent Pemberton, James Altland

Plants, Soils, and Climate Faculty Publications

Marigolds (Tagetes sp.) are ornamental plants with fine-textured, dark green foliage, and yellow, orange, or bicolored flowers. The relative salt tolerance of eight marigolds [‘Discovery Orange’, ‘Discovery Yellow’, ‘Taishan Gold’, ‘Taishan Orange’, and ‘Taishan Yellow’ African marigold (Tagetes erecta); ‘Hot Pak Gold’, ‘Hot Pak Orange’, and ‘Hot Pak Yellow’ French marigold (Tagetes patula)] was evaluated in a greenhouse experiment. Plants were irrigated weekly with nutrient solution at an electrical conductivity (EC) of 1.2 dS·m−1 (control) or saline solutions at an EC of 3.0 or 6.0 dS·m−1 (EC 3 or EC 6). Marigold plants …