Iris cine ma striga in noapte

    • [PDF File]IRIS MA - East Asian Languages and Cultures

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      MA 1 IRIS MA Keough School of Global Affairs University of Notre Dame South Bend, IN 46556 iris.ma@nd.edu EDUCATION Ph.D. University of California, Los Angeles (UCLA) Department of Asian Languages and Cultures M.A. National University of Singapore (NUS) Department of Chinese Studies B.A. Fudan University, Shanghai

    • [PDF File]Striga (Witchweeds) in Sorghum and Millet: Knowledge and Future ...

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      tibility to Striga parasitism is normal in rice. The cowpea, Vigna unguiculata, is the legume most affected by Striga in dry areas of Africa, where it is a common food plant. Being an obligate hemiparasite, Striga causes tremendous damage to the host plants before Striga emerges from the soil. Persistent drought

    • MODULE DE FORMATION EN LUTTE PARTICIPATIVE CONTRE LA STRIGA EN AFRIQUE

      3.2. DESCRIPTION DE LA STRIGA ET DES ESPECES CONNEXES 11 3.3. BIOLOGIE ET ECOLOGIE DE LA STRIGA 17 3.3.1. Cycle de vie (Conditionnement, germination, prise, croissance et développement) 3.1.2 Mécanismes de survie et de dispersion 3.4. PRINCIPES ET PRATIQUES DE LA LUTTE CONTRE LA STRIGA 20 3.4.1.

    • Utility of indirect and direct selection traits for improving Striga ...

      The genetics of Striga resistance and methodologies for breeding Striga-resistant sorghums with special emphasis on direct field evaluation have recently been reviewed by Haussmann et al. (2000a,b). Among indirect selection methods, the agar-gel assay devel-oped by Hess et al. (1992) is the most popular method

    • [PDF File]Strigat-am catre tine, Doamne

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      I - ANUL 1948! Anul 1948!Parcurg6nd istoria, din cele mai vechi timpuri, se poate remarca existent9 unor date fatidice, ini care definesc generalii nefericite, ani, borne de hotarintre ,,inainte de ..."9i ,,dupd ce ...".Anul 1948 a fost un astfel de hotar.A fost o generatie 1 948 intre o lume care se prdbugea 9i o alta care incepeq si se construiascd din ruine.

    • [PDF File]Role of herbicide (metalachlor) and fertilizer application in ...

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      25.3 M ha (FAO, 2001). The genus Striga, of the family Scrophulariaceae, is a major parasitic weed affecting ce-real production in the grasslands (Musselman, 1987; Pieterse and Verkleij, 1991; Sauerborn, 1991). The spe-cies parasitizing cereals are Striga hermonthica (Del.) Benth., Striga asiatica (L.) Kuntze, Striga aspera (Wild.)

    • The Genus Striga (Scrophulariaceae) in Africa - JSTOR

      Striga is distinguished from other genera in the subfamily Rhinanthoideae of the Scrophulariaceae by bilabiate corollas with a pronounced bend in the corolla tube, and unilocular anthers. The corolla feature distinguishes Striga from related Buchnera L. in which nine Striga species were once included. Based on this feature, the genus Striga was ...

    • SURVEY OF STRIGA INFESTATION IN SOME FARMING COMMUNITIES IN DUTSIN-MA ...

      Dutsin-ma LGA of Katsina State where Striga was a threat to food production. The results revealed that Striga was endemic in 95 % of the surveyed areas with more devastation on legumes (58.9 % ...

    • [PDF File]Impact of Witch Weeds (striga hermonthica ) on Sorghum Production and ...

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      Striga can be found in Africa, the Middle East, Asia, and Australia in tropical and semi-arid climates. Striga are root-parasitic, annual, chlorophyll-bearing plants that require a host plant to complete their life cycle. Striga seeds can produce 100,000 to 200,000 seeds per plant, but they must be pretreated and stored in a moist, warm

    • [PDF File]Geographical Distribution and Aspects of the Ecology of the ...

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      Striga is estimated to extend to 40% of arable land in sub-Saharan Africa and to 67% of savanna zones under cereal production (Lagoke et al. 1991, Mboob 1989). S. asiatica is known to occur widely in savanna grasslands but at much lower densities than observed in agricultural systems (Raynal-Roques 1987). A

    • 6 STRIGA: A SERIOUS PERSISTENT PROBLEM ON MILLETS

      Striga research and control in millets 1 6 STRIGA: A SERIOUS PERSISTENT PROBLEM ON MILLETS Boubacar A. Kountche1, Salim Al-Babili1 and Bettina I. G. Haussmann2 1King Abdullah University of Science and Technology (KAUST), Center for Desert Agriculture (CDA), Thuwal 23955-6900, Saudi Arabia; 2Institute of Plant Breeding, Seed Science and Population Genetics (350a), University of Hohenheim ...

    • [PDF File]CONTROL OF WITCHWEED Striga hermonthica BY INTERCROPPING ... - Springer

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      CONTROL OF WITCHWEED Striga hermonthica BY INTERCROPPING WITH Desmodium spp., AND THE MECHANISM DEFINED AS ALLELOPATHIC ZEYAUR R. KHAN,1 AHMED HASSANALI,2 WILLIAM OVERHOLT,2 TSANUO M. KHAMIS,3 ANTONY M. HOOPER,4 JOHN A. PICKETT,4;⁄ LESTER J. WADHAMS,4 and CHRISTINE M. WOODCOCK4 1The International Centre of Insect Physiology and Ecology

    • [PDF File]Introgression of Striga resistance gene into farmers’ preferred cowpea ...

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      all known Striga races (Table 1).The genotype IT93K-693-2 is a three way cross hybrid: [(IT88D-867-11 x IT90K-76) x IT89KD-374] that inherited the resistance gene Rsg1 from B301 and the resistance to Striga race SG4z from the line IT88D-867-11. Crosses were made between IT90-K-372-1-2 and IT93K-

    • Weed Science Assessment of Management Options on Striga ... - CGIAR

      Herbicide-resistant and Striga spp.-resistant maize integrated with legumes would help reduce the Striga spp. seedbank in the soil. Farmers should be encouraged to adopt an integrated approach to control Striga spp. for better maize yields. Introduction In sub-Saharan Africa (SSA) the parasitic weeds in the genus Striga are a serious constraint

    • [PDF File]Department of Environmental Protection

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      Northeast Regronal Office• 2058 Lowell Street, W ilmington MA 01887 • 978·694-3200 DEVAL L P~\TRICK ~Clvrrrmr Carol Tucker, Branch Chief, Emergency Planning and Response Branch U.S. EPA Region 1 5 Post Office Square Mail Code: OSRR02-2 Boston, MA 02109-3912 Dear Ms. Tucker: December 22, 2014 MhEVL './l\LLEL Y BAnTLL i S1.t.,;,r 11·r11\·

    • [PDF File]GENETIC BASIS OF Striga hermonthica (Del.) BENTH RESISTANCE IN WILD ...

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      Striga quantity in feral grasslands as compared to cultivated cereals. In this study, seven wild sorghums accessions (WSE-1,WSA-1,WSA-2,WSA-3,WSD-1,WSD-2 and WSD-3) were evaluated for post-attachment Striga resistance against three common ecotypes of S. hermonthica weeds in Kenya (Alupe, Kibos and Mbita).

    • [PDF File]Prospection and Collection of Striga gesnerioides Seeds in ... - IJISET

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      Striga A total of 53 samples of Striga seeds had been collected in 3 major cowpea producing regions over two rainy seasons (2011 & 2012). Striga infestation ranged from 10 to 100% in all the sites of the three regions prospected. A striga map was draw and a National collection of Striga seeds was established. Key words: Cowpea, Striga gesnerioides,

    • DEVELOPING STRIGA RESISTANCE IN MAIZE THROUGH MAIZE-SORGHUM HYBRIDIZATION

      Striga resistant sorghum cultivar N-13 whose mechanism of resistance is cell wall fortification by lignin synthesis. In the first approach, cloning of a key lignin biosynthesis gene, Hydroxycinnamoyl transferase (HCT) was carried out. HCT gene has a nucleotide sequence of 1489 bps and codes for an enzyme made of 496 amino acid sequence. ...

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