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He Li and Donglin Zhang

. Unfortunately, seed germination of mountain laurel has been challenging for breeders. Mountain laurel seeds generally become fully mature in 5 months after fertilization ( Jaynes, 1988 ). Mature seeds only yield ≈30% to 40% of germination and often require up to

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Vladimir Orbović, Manjul Dutt, and Jude W. Grosser

. Citrus seed biology, including morphology and viability, storage conditions, and treatments to improve rate and synchrony of germination, was studied exhaustively during the 1940s and 1980s (reviewed by Castle, 1981 ). Seed behavior and physiological

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Khalid M. Elhindi, Yaser Hassan Dewir, Abdul-Wasea Asrar, Eslam Abdel-Salam, Ahmed Sharaf El-Din, and Mohamed Ali

The study of seed germination of medicinal plant species has received special attention from the scientific community due to the increased demand for these plants in the pharmacological industry, coupled with the need to make rational crops for the

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YanLing Zheng, GaoJuan Zhao, and HuanCheng Ma

the collected kapok fruit are the unsplit fruit. So far, the effects of storage on seed germination of light-brown seeds are not clear, and this is a disadvantage to the reforestation and restoration projects in the region. In the present study, the

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Jia Liu, Tingting Xue, and Yongbao Shen

seeds are light-induced seeds with physiologic dormancy, and their dormancy can be broken by gibberellic acid (GA 3 ), cold stratification, and dry storage ( Liu et al., 2017 ). We have tested the seed germination of three species of Paulownia [empress

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Anna J. Talcott and William R. Graves

and Harrington, 1997 ; McLeod and Murphy, 1977 ; USDA Forest Service, 1948 ). With 3 to 4 months of cold stratification, 28% germination was reported ( USDA Forest Service, 1948 ). Other researchers who stratified seeds for 18 weeks found differences

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Anderson Machado de Mello, Nereu Augusto Streck, Erin E. Blankenship, and Ellen T. Paparozzi

not readily available, seedlings could be screened and then selected for stock plant production. However, seeds of many Penstemon species possess a dormancy that limits seed germination. As a result, individual germination requirements vary widely

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Robyn L. Cave, Colin J. Birch, Graeme L. Hammer, John E. Erwin, and Margaret E. Johnston

on seed germination of this species and of Calandrinia sp. B. australis flowers naturally in spring to early summer from September to December, producing blue inflorescences on long slender stalks ( Carolin, 1992 ; Stanley and Ross, 1986 ). This

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Janine R. Conklin and James C. Sellmer

( Westbrooks, 1998 ). One way that invasive plants displace natives and harm natural ecosystems is by escaping cultivation and germinating at undesirable locations ( Meyer and Tchida, 1999 ). Such viable seeds of invasive plant species may persist in the seed

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Tao Yuan, Qiuying Wei, and Gary Bauchan

grows in northeastern China and Korea. Pulsatilla cernua var. koreana seeds germinate in 14 d at 25 °C; however, germination rates decrease after 6 to 8 weeks, and seeds do not germinate at all after 14 weeks of storage under unspecified room