Results 101 to 110 of about 30,087 (227)

True and False Foodplants of \u3ci\u3eCallosamia Promethea\u3c/i\u3e (Lepidoptera: Saturniidae) in Southern Michigan [PDF]

open access: yes, 2017
A survey in 1980 of the associations of over 400 cocoons of Callosamia promethea Drury in vegetation along and adjacent to southern Michigan roadsides gave evidence for seven species of true larval foodplants (not including two others known in the area ...
Hansen, Michael K   +2 more
core   +1 more source

REACCIÓN DE GENOTIPOS DE ÑAME (Dioscorea spp) A LA ANTRACNOSIS (Colletotrichum gloeosporioides)

open access: yesTemas Agrarios, 2013
El ñame (Dioscorea spp) es afectado por diferentes patógenos, entre los que se destaca Colletotrichum gloeosporioides, agente causal de la antracnosis. Esta enfermedad reduce la eficiencia fotosintética de la planta y ocasiona pérdidas en la producción ...
Yuli P. Mendez   +4 more
doaj  

Relationship between wild and cultivated yams : Case study of yam domestication in Benin [PDF]

open access: yes, 2006
The Dioscorea cayenensis - Dioscorea rotundata species complex is the most widely cultivated yam in West Africa. It has been described as deriving from wild types belonging to the species Dioscorea abyssinica and D.
Agbangla, Clément   +4 more
core  

Pharmacognostical and Analytical Standards of Dioscorea Esculenta Burkill.

open access: yesJournal of Research in Traditional Medicine, 2017
Background: Dioscoria species is a Kanda Shakha (tuberous vegetable) useful as vegetable and grows abundantly around Udupi district, Karnataka, India. Dioscorea esculenta Burkill is one of the rare and costly tuber cultivated in very few areas of Udupi ...
Tapankumar H. Gandhi   +4 more
doaj  

Occurrence of Yam Mosaic Virus and Yam Mild Mosaic Virus on Dioscorea spp. Germplasm Collection in Cuba—Epidemiology of Associated Diseases

open access: yesPlants
Potyvirus diseases are one of the main challenges facing the production of yam (Dioscorea spp.). The objective of this study was to identify the potyviruses present in the Dioscorea spp.
José Efraín González Ramírez   +11 more
doaj   +1 more source

Towards a better characterization of endogenous badnavirus sequences of yams (Dioscorea spp.) [PDF]

open access: yes, 2013
Yams, and more generallytubers, are very important crops for food security in tropical and subtropical countries.They are propagated vegetativelytherefore they accumulate viruses over long periods of time.
Filloux, Denis   +7 more
core  

The economic importance and control of vertebrate pests of graminaceous crops with particular reference to rice (Oryza sativa) in Nigeria--a review [PDF]

open access: yes, 1986
Graminaceous crops, especially rice (Orzya sativa), have within the last years in Nigeria, surged to be of utmost economic importance, not in improving the economy but in depleting the country of fast foreign exchange. Attempts at improving and massively
Akande, Modupe
core  

The practices of yam domestication in Benin and Nigeria [PDF]

open access: yes, 2008
Guinea yams (Dioscorea cayenensis Lam. D. rotundata Poir) have been described several times as resulting from a process of domestication of wild yams of the Enantiophyllum section, initially by Burkill (1939) and by Miege (1952) and later, on a more ...
Dossou, A.R.   +2 more
core  

Entwicklung alternativer Zusatzstoffe für Bioprodukte, die der Verbesserung von Mehlmischungen für Back- und Teigwaren dienen, durch die Verwendung der Yamswurzel Dioscorea batatas [PDF]

open access: yes, 2011
Ziel des Projektes ist die Entwicklung ökologischer Zutaten aus der Yamswurzel Dioscorea batatas. Durch die Verwendung der D. batatas können Mehlmischungen in ihren sensorischen, physiologischen und gesundheitlichen Eigenschaften aufgewertet werden.
Hensel, Oliver
core  

Redescubrimiento de Dioscorea trifurcata (Dioscoreaceae) a más de cien años de su última recolección en Argentina

open access: yesBoletín de la Sociedad Argentina de Botánica
Introducción y objetivos: Dioscorea es el género más diverso morfológicamente, más rico en especies y con mayor distribución de la familia Dioscoreaceae.
Patricia N. Asesor   +2 more
doaj  

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