ASHS Press Releases

American Society for Horticultural Science

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Virus-resistant hybrid features high yields, disease-resistant attributes

Researchers have introduced 'CaroTex-312', a new high-yielding, orange-fruited, Habanero-type, F1 hybrid pepper. The yield attributes of 'CaroTex-312', particularly its potential for producing high early yields, should be especially appealing to growers trying to widen their marketing window. The report also suggested that the new cultivar has several potentially useful disease-resistance attributes.

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Recommendations for Manilagrass planting, irrigation found in study

Researchers studied the drought tolerance of Manilagrass grown under green roof conditions and two irrigation regimes. They found that substrate depth was the most significant factor that improved growth and drought resistance, and that a deeper substrate improved drought tolerance compared with a shallow substrate. The study recommended that if substrate depth is reduced due to load specifications, irrigation of Manilagrass should exceed 6 mm every 3 days to ensure growth and overcome moisture deficits.

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Chlorophyll fluorescence proves effective, nondestructive technique to upgrade seed lots

Scientists investigated the efficacy of chlorophyll fluorescence (CF) sorting using different maturity fruits of four different cultivars of Capsicum peppers. Results showed that CF sorting significantly increased laboratory germination, seedling emergence, and seed vigor. The researchers said that CF can be a reliable tool to separate high-quality seeds from low-quality seeds in variously matured pepper seed lots, thus improving seedling production and uniformity through enhancing the seed lot vigor.

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Propagation study shows novel native species have potential as wholesale nursery additions

Scientists studied softwood stem cutting propagation of four underused shrub species native to the northeastern United States (Ceanothus americanus, Corylus cornuta, Lonicera canadensis, and Viburnum acerifolium). The results indicated that Corylus cornuta and Viburnum acerifolium could be propagated for consideration as commercial crops for wholesale nurseries looking for new native shrubs, and that all four of the species have the potential to be viable commercial crops for nurseries that specialize in native plants.

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