نتایج جستجو برای: lolium multiflorum

تعداد نتایج: 2983  

2017
Ling Pan Zhongfu Yang Jianping Wang Pengxi Wang Xiao Ma Meiliang Zhou Ji Li Nie Gang Guangyan Feng Junming Zhao Xinquan Zhang

Drought is a major abiotic stress that impairs growth and productivity of Italian ryegrass. Comparative analysis of drought responsive proteins will provide insight into molecular mechanism in Lolium multiflorum drought tolerance. Using the iTRAQ-based approach, proteomic changes in tolerant and susceptible lines were examined in response to drought condition. A total of 950 differentially accu...

2016
Stephen L. Goldson Federico Tomasetto

Field parasitism rates of the Argentine stem weevil Listronotus bonariensis (Kuschel; Coleoptera: Curculionidae) by Microctonus hyperodae Loan (Hymenoptera: Braconidae) are known to vary according to different host Lolium species that also differ in ploidy. To further investigate this, a laboratory study was conducted to examine parasitism rates on tetraploid Italian Lolium multiflorum, diploid...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2004
Luiz Claúdio de A Barbosa Adilson V Costa Dorila Piló-Veloso Joao Luiz C Lopes Manuel G Hernandez-Terrones Beatriz King-Diaz Blas Lotina-Hennsen

The sesquiterpene lactone glaucolide B (1), isolated from Vernonia fruticulosa (Asteraceae), was transformed into six lactones (2-7). The structures of the products were elucidated by spectroscopic analysis. A series of solutions of compounds 1-7, at 200 microM, were tested on the germination and on the root and shoot growth of the dicotyledons Physalis ixocarpa and Trifolium alexandrinum and o...

Journal: :Environmental entomology 2011
Akira Yoshioka Mayura Takada Izumi Washitani

Source populations of polyphagous pests often occur on host plants other than the economically damaged crop. We evaluated the contribution of patches of a non-native meadow grass, Lolium multiflorum Lam. (Poaceae), and other weeds growing in fallow fields or meadows as source hosts of an important native pest of rice, Stenotus rubrovittatus (Matsumura) (Hemiptera: Miridae), in an agricultural ...

Journal: :Plant physiology 1980
J L Prioul J Brangeon A Reyss

Lolium multiflorum plants were grown under a low- or high-light regime until third leaves had emerged to one-third their final length and then were transferred to a contrasting light regime. At this stage, the leaf possesses a tissue-age gradient from tip to base; thus, the reversibility of light-acclimated responses as a function of the degree of differentiation was analyzed in individual leav...

حسین میرزایی ندوشن, هاجر ندرخانی

استفاده از ذخایر توراثی لولیوم در اصلاح گونه های موجود آن در کشور به داشتن اطلاعات کافی در زمینه های مختلف از جمله ویژگیهای کاریوتیپی منوط می باشد. به همین منظور تعداد 9 جمعیت از گونه های Lolium multiflorum و L. rigidum از میان نمونه های موجود در بانک ژن منابع طبیعی کشور در این بررسی مورد مطالعات کاریوتیپی قرار گرفتند. تعداد پنج سلول متافازی از هر جمعیت مورد اندازه گیری ویژگیهای کاریوتیپی از قب...

2000
A. DAN WILSON

Wilson, A. D., Clement, S. L., and Kaiser, W. J. 1991. Survey and detection of endophytic fungi in Lolium germ plasm by direct staining and aphid assays. Plant Dis. 75:169-173. Clavicipitaceous anamorphic endophytes were detected in 28 of 85 accessions from five of eight species in a collection of Lolium germ plasm. Comparative descriptions of endophytic mycelium in seeds of L. multiflorum, L. ...

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