Results 71 to 80 of about 2,600 (201)

Plant density and variety effect on yield, leaf spot disease, weed species richness and diversity of groundnut production in northern Ghana

open access: yesWeed Biology and Management, Volume 24, Issue 2, Page 71-87, June 2024.
Abstract Low plant density and weed infestation are major challenges for groundnut production in northern Ghana. A two‐year on‐farm study was conducted to determine the effect of plant density and variety on grain and fodder yields, incidence of leaf spot disease, weed species diversity and biomass.
Nurudeen Abdul Rahman   +4 more
wiley   +1 more source

Estudios citogenéticos en el género Commelina (Commelinaceae). II

open access: yesLilloa, 2004
Se analiza el comportamiento meiótico de Commelina erecta L. y Commelina diffusa Burm. En C. erecta L. especie tetraploide de amplia distribución, la meiosis es irregular, con cromosomas adelantados y rezagados, puentes y fragmentos, conexiones entre ...
María E. Cristóbal   +3 more
doaj  

Efeito do glyphosate sobre a morfoanatomia das folhas e do caule de Commelina diffusa e C. benghalensis Effect of glyphosate on the morpho-anatomy of leaves and stems of C. diffusa and C. benghalensis

open access: yesPlanta Daninha, 2004
O objetivo deste trabalho foi avaliar o efeito do glyphosate nas estruturas anatômicas e morfológicas do caule e das folhas de duas espécies de Commelina, bem como investigar o envolvimento do amido de reserva na maior tolerância ao glyphosate de C ...
L.D. Tuffi Santos   +3 more
doaj   +1 more source

Comportement des mauvaises herbes dans un système de culture en couloirs (Haies de Leucaena leucocephala (Lam) de Wit) [PDF]

open access: yes, 1996
Afin de caractériser l'enherbement, des relevés floristiques pondérés ont été effectués en 1990 et 1991 sur un essai de cultures en couloirs. Dans cet essai, installé depuis 1986 à Bouaké (Côte d'Ivoire), le maïs et le cotonnier sont exploités en l ...
Doumbia, Salif   +2 more
core  

Pharmacognostic and Phytochemical Analysis of Commelina benghalensis L. [PDF]

open access: yes, 2010
Phytochemical and pharmacognostic analysis and thin layer chromatography were carried out on the herb, Commelina benghalensis L. The phytochemical screening revealed the presence of phlobatannins, carbohydrates, tannins, glycosides, volatile oils, resins,
Ajaegbu, Vivian Chioma   +2 more
core   +1 more source

On Interchange Complexes in Commelina diffusa Burn F. from South Eastern Nigeria.

open access: yesCYTOLOGIA, 1991
A study of meiosis in the PMC's of five populations of C. diffusa (2n=2x=30) belonging to three sub-species, diffusa diffusa, diffusa aquatica and diffusa montana, revealed varying degrees of chromosomal associations suggesting the presence of interchange complexes in these populations.
Edak O. Umoh   +2 more
openaire   +2 more sources

Production de références pour le désherbage de la culture de canne à sucre. La Réunion - 2005 [PDF]

open access: yes, 2006
Au cours de l'année 2005, dix-neuf essais d'efficacité d'herbicides de pré-levée ont été mis en place en culture de canne à sucre à La Réunion. Huit produits ont été testés seul ou en association (acétochlore, isoxaflutole, mésotrione, S-métolachlore ...
Canavi Botanica - REU   +7 more
core  

Production de références pour le désherbage de la culture de canne à sucre. La Réunion 2009 [PDF]

open access: yes, 2010
Au cours de la campagne 2009, 14 essais d'efficacité des herbicides ont été implantés dans le cadre du réseau d'essais sur le désherbage de la canne à sucre.
Chambre d'agriculture de la Réunion - REU   +8 more
core  

Catálogo preliminar de plantas vasculares de la isla de Bioko (Guinea Ecuatorial) [PDF]

open access: yes
We present a list of taxa of vascular plants growing on Bioko (Equatorial Guinea). We are aware that there are still many unexplored areas,so it should be consider just as a first draft list.
Aedo, Carlos   +8 more
core   +2 more sources

Effect of Quizalofop‐p‐ethyl + Bentazone and Pendimethalin Herbicides on Weeds, Yield Components, and Yield of Mung Bean (Vigna radiata (L.) Wilczek) in Guragie Zone, South Central Ethiopia

open access: yesInternational Journal of Agronomy, Volume 2024, Issue 1, 2024.
Weeds significantly hinder mung bean production in Ethiopia. A field experiment conducted during the 2022 cropping season in Guragie Zone investigated the impact of pre‐ and post‐emergence herbicides on weed control and mung bean (Vigna radiata (L.)) yield.
Getachew Mekonnen   +3 more
wiley   +1 more source

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