Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Bert Cregg"'
Publikováno v:
Horticulturae, Vol 9, Iss 9, p 985 (2023)
Common ragweed (Ambrosia artemisiifolia L.) is an extremely competitive broadleaved summer annual weed found in Christmas tree production systems within Michigan. Common ragweed has been reported to have resistance to glyphosate, PSII inhibitors, PPO
Externí odkaz:
https://doaj.org/article/37f0a90548954b8a8946e6512c4211a9
Publikováno v:
Forests, Vol 14, Iss 5, p 881 (2023)
Weed control is an important aspect during the first few years of Christmas tree establishment, as weed competition directly relates to the rate of Christmas tree growth during this time. The objectives of this study were to evaluate the weed control
Externí odkaz:
https://doaj.org/article/ec99ab979d9d4fe5afb41717c62aecb6
Publikováno v:
Forests, Vol 14, Iss 1, p 25 (2022)
Early cone formation is a consistent issue in Fraser fir Christmas tree plantations in the eastern United States. Growers must remove cones by hand, resulting in significant labor costs, as cones degrade the aesthetic value of Christmas trees. In thi
Externí odkaz:
https://doaj.org/article/4f2c8c743218432db461f3ca7406a82b
Publikováno v:
Journal of the American Society for Horticultural Science, Vol 145, Iss 1, Pp 45-52 (2019)
Abstract Korean fir (Abies koreana) has been cultivated for less than 100 years, mainly in the United States and Europe. Using nuclear microsatellite, mitochondrial, and chloroplast markers, we investigated the origin of cultivated korean fir from S
Externí odkaz:
https://doaj.org/article/c7fa489101914b01b8f1c7cbdf090fda
Publikováno v:
Forests, Vol 13, Iss 2, p 212 (2022)
Control of leader growth in Christmas tree production is a critical and expensive component in developing quality trees. Producers typically hand trim leaders to a desired length. With noble and Turkish fir this practice frequently results in poor to
Externí odkaz:
https://doaj.org/article/d0c5a2e8509a4856b25d22c92ab11886
Publikováno v:
Water, Vol 12, Iss 5, p 1402 (2020)
Recycling irrigation return flow is a viable option to achieve sustainability in horticultural production systems, but residual herbicides present in recycled water may be phytotoxic. The sensitivity of plants to residual herbicides may vary dependin
Externí odkaz:
https://doaj.org/article/4117755833714713bfa6d7f26f25048e
Autor:
Bert Cregg, Dana Ellison-Smith
Publikováno v:
Forests, Vol 11, Iss 3, p 355 (2020)
Paclobutrazol is a tree growth regulator that is frequently applied by arborists to control tree growth in utility rights of way. Paclobutrazol is also marketed to mitigate tree stresses associated with urban environments. In this study we applied pa
Externí odkaz:
https://doaj.org/article/437aefc304274d1d88e3e9c4523d10aa
Publikováno v:
Water, Vol 11, Iss 11, p 2354 (2019)
Managers of ornamental nurseries are increasingly reusing runoff water as an irrigation source, but residual pesticides in recycled water may result in plant phytotoxicity on crop plants. Our study focused on understanding the responses of container-
Externí odkaz:
https://doaj.org/article/c6f1fbd18cd74dd3bdf1dfa52e9868b4
Publikováno v:
Urban Forestry & Urban Greening. 81:127858
Publikováno v:
Water, Air, & Soil Pollution. 233