First Record of \u3ci\u3eAphis Helianthi\u3c/i\u3e (Homoptera: Aphididae) as a Pest of Celery [PDF]
, 2017 In 1989, the aphid Aphis helianthi severely damaged five of 10 scouted celery fields in west central Michigan. In 1990 and in 1991, A. helianthi again was a problem. reaching pestiferous levels in three of 10 and two of 10 scouted fields.
Davis, M. G. Kortier, Grafius, E.
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The complete chloroplast genome of Ligusticum jeholense (Umbelliferae, Ligusticum L.)
Mitochondrial DNA. Part B. Resources, 2020 Ligusticum jeholense is an important medicinal plant. Chloroplast genome information is helpful for the development of molecular markers and the study of plant phylogeny. In this study, we report the complete chloroplast genome sequence of L.
Shi-Jie Wang +5 more
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Flower Associations of Mimetic Syrphidae (Diptera) in Northern Michigan [PDF]
, 2017 Collections of specialized (high fidelity) mimetic Syrphidae in northern Michigan revealed 19 species associated with 18 flowering plants. Almost 97% of these syrphids were taken on seven plant species or species groups, all with conspicuous white or ...
Waldbauer, G. P
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Овощи России, 2015 The high-temperature stress during 5-20 days has a negative impact on activity of growth of embryo and inhibits the seeds germination of the Umbelliferae crops.
A. F. Buharov, D. N. Baleev
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Studies in the Umbelliferae. V.
Brittonia, 1928 Neoparryal n. gen. of the Umbelliferae. Herbaceous, acaulescent perennial. Leaves pinnatisect. Inflorescence spreading; peduncles exceeding the leaves; involucre absent; involucel of small, inconspicuous bracts. Calyx teeth persistent. Stylopodium lacking.
openaire +6 more sources
Peucedanum officinale l. subsp. brachyradium García-Martín y Silvestre: nuevo taxon de Umbelliferae [PDF]
, 1992 Se propone un nuevo taxon de la familia Umbellíferae, Peucedanum officinale L. subsp. brachyradium García-Martin & Silvestre, recolectado en Sierra Bermeja (Málaga), dándose su descripción, ilustración y ...
García Martín, Felipe +1 more
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A New Sesquiterpene from the Fruits of Daucus carota L.
Molecules, 2009 Phytochemical investigation of the fruits of Daucus carota L. resulted in the isolation of a new sesquiterpene named as daucucarotol (1). Its structure was elucidated on the basis of 1D and 2D NMR experiments, coupled with MS studies.
Jing-Kui Tian +3 more
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The Feasibility of Use of Caecal and Diverticular Coloration in Field Determination of Grasshopper Diet [PDF]
, 2017 Excerpt: Many studies have been undertaken in the past on the food selection, food preferences, and economic damage of various grasshoppers and their allies.
Tyrkus, Michael
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Climate and seed mass drive intraspecific variation in seed longevity in storage
American Journal of Botany, EarlyView.Abstract Premise Conservation seed banks are essential for ex situ plant conservation, but stored seeds slowly deteriorate and lose viability. Seed longevity in storage is determined by the initial seed viability and the rate of seed viability loss. The rate of seed viability loss in storage varies between species and possibly between populations or ...
Lea Klepka +2 more
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Dichoropetalum schottii: examination of the type specimen, distribution and comparison with D. carvifolium-chabraei (Apiaceae) [PDF]
, 2015 The lectotype and isolectotype specimens of Peucedanum schottii, based on plants originally cultivated in Cremenets Botanical Garden, have been studied in detail.
Conti, Fabio +3 more
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