Results 131 to 140 of about 37,509 (298)

Efecto combinado de la escarificación y la temperatura en la germinación de semillas de leguminosas herbáceas Combined effect of scarification and temperature on the germination of herbaceous legume seeds

open access: yesPastos y Forrajes, 2011
Se utilizaron semillas de cinco leguminosas herbáceas con diferentes tiempos de colecta: Indigofera sp., Desmanthus virgatus, Clitoria ternatea, Crotalaria sp. y Centrosema pubescens, procedentes del banco de genes de la Estación Experimental de Pastos y
J Reino¹   +4 more
doaj  

Cues for shelter use in a phytophagous insect [PDF]

open access: yes, 2008
Many insects spend a large proportion of their life inactive, often hiding in shelters. The presence of shelters may, therefore, influence where insects feed.
Björklund, Niklas
core  

Yellow Nutsedge (Cyperus esculentus L.) as an Agricultural Crop in Brazil: Tuber Dormancy Breaking

open access: yesAgronomy
Yellow nutsedge (Cyperus esculentus L.) is cultivated worldwide due to its agricultural and biotechnological potential. In Brazil, it is considered a weed, and we lack studies on its cultivation. Overcoming tuber dormancy is crucial for propagation. This
Márcio Antônio Godoi Junior   +5 more
doaj   +1 more source

Scarification with sulphuric acid of Schizolobium amazonicum Huber ex Ducke seeds - Fabaceae. [PDF]

open access: yes, 2015
Impermeabilidade do tegumento da semente à água ocorre em muitas espécies, inclusive em Schizolobium amazonicum Huber ex Ducke. Para promover a germinação de sementes com tegumento impermeável um dos métodos recomendados é o uso de ácido sulfúrico (H2SO4)
CARVALHO, J. E. U. de   +2 more
core  

Une infection variolique de Quelea quelea (L) (Passeriformes, Ploceinae) [PDF]

open access: yes, 1975
Dans le cadre des examens effectués au Tchad lors de l'étude des possibilités de lutte contre le mange mil: Quelea quelea par des agents pathogènes, des lésions verruqueuses ont été notées sur la tête et les pattes de jeunes oiseaux au nid.
Barré, Nicolas
core  

Duration of the effects of scarification and raised bed associated with vegetation cover on soybean yield on an Alfisol [PDF]

open access: diamond, 2018
Silvana Spaniol Fin   +7 more
openalex   +1 more source

Effect of Seed Dormancy Breaking Treatments on Germination and α-amylase Enzyme Activity in Seeds of Three Ecotypes of Astragalus (Astragalus cyclophyllu)

open access: yesپژوهش‌های بذر ایران, 2020
DOR: 98.1000/2383-1251.1398. 6.15.12.2.1575.41 Extended Abstract  Introduction: Seed dormancy, as a technique to avoid environmental stress, is important in preserving plant species and could be of various types including physiological, physical ...
Akram Rostamipoor   +2 more
doaj  

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