Results 51 to 60 of about 3,081 (222)
\u3ci\u3eTomicus Piniperda\u3c/i\u3e (Coleoptera: Scolytidae) Reproduction and Development in Scots, Jack, Red and Eastern White Pine Under Laboratory Conditions [PDF]
, 2018 The pine shoot beetle, Tomicus piniperda (L.) (Coleoptera: Scolytidae), is an exotic bark beetle in North America that was first found in the Great Lakes region in 1992. We evaluated T.
Haack, Robert A +2 more
core +2 more sources
Abietane Diterpenoids and a Lignan from Pinus yunnanensis
Zeitschrift für Naturforschung B, 2010 Two new abietane diterpene acids, pinyunins A (1) and B (2), a new lignan, 2-[2-hydroxy-5-(3- hydroxypropyl)-3-methoxyphenyl]-1-(2,3-dihydroxyphenyl)propane-1,3-diol (3), and eight known diterpenoids (4 - 11) were isolated from the bark of Pinus yunnanensis Franch. Their structures were elucidated by spectroscopic methods.
Tao Feng +3 more
openaire +1 more source
浙江大学学报. 农业与生命科学版, 2015 The pine shoot beetle, Tomicus yunnanensis, is one of the most damaging pests of Yunnan pine (Pinus yunnanensis) in southwestern China. In this study, the laboratory behavioral bioassays and field investigations were employed to examine the effects of ...
Wang Dawei +4 more
doaj +1 more source
\u3ci\u3eTomicus Piniperda\u3c/i\u3e (Coleoptera: Scolytidae): Is Shoot Feeding Required for Reproductive Maturation? [PDF]
, 2018 The pine shoot beetle, Tomicus piniperda (Coleoptera: Scolytidae), is a univoltine pest of pine in its native range of Europe and Asia. Tomicus piniperda is now widely established in the Great Lakes region and poses a potentially significant threat to ...
Haack, Robert A, Poland, Therese M
core +2 more sources
Guangxi Zhiwu, 2023 In order to explore the radial growth of Pinus yunnanensis var. tenuifolia in Jinzhongshan of Guangxi and its response to climate, a standard tree-ring chronology of P. yunnanensis var.
Biyun YU +4 more
doaj +1 more source
Frontiers in Plant Science, 2023 The characteristics of C:N:P stoichiometry, nonstructural carbohydrate (NSC) content, and C stable isotopes and their relationships affect plant responses to environmental changes and are critical to understanding the ecosystem carbon and water cycles ...
Yuanxi Liu +7 more
doaj +1 more source
Analysis of the molecular mechanism endogenous hormone regulating axillary bud development in Pinus yunnanensis. [PDF]
BMC Plant BiolAbstract Background Pinus yunnanensis was a high-value economic forest species, the study of its axillary bud development was important for its improved breeding. Here, we studied the development of axillary buds of P. yunnanensis by decapitated, measuring the hormone levels of axillary and terminal buds, and performing transcriptomic analysis ...
He H, Xu J, Cai N, Xu Y.
europepmc +4 more sources
Rediscovery of Monotropastrum sciaphilum (Andres) G.D.Wallace in China after 91 Years [PDF]
, 2011 Monotropastrum sciaphilum (Ericaceae), a mycoheterotrophic member of subfamily Monotropoideae, was rediscovered at its type locality in Yunnan Province, China, 91 years after it was first collected. The type locality is the only locality from which it is
Shen, Min +2 more
core +2 more sources
Savannahs of Asia: Antiquity, biogeography, and an uncertain future [PDF]
, 2016 The savannahs of Asia remain locally unrecognized as distinctive ecosystems, and continue to be viewed as degraded forests or seasonally dry tropical forests.
Ashton P +36 more
core +2 more sources
Psyche: A Journal of Entomology, 2012 Competition and cooperation between bark beetles, Tomicus yunnanensis Kirkendall and Faccoli and Tomicus minor (Hartig) (Coleoptera: Scolytinae) were examined when they coexisted together in living Yunnan pine trees (Pinus yunnanensis Franchet) in Yunnan
Rong Chun Lu +6 more
doaj +1 more source