Results 31 to 40 of about 3,654 (216)
Biological traits and life table parameters A and B biotype of Bemisia tabaci (Genn.) on cotton and rapeseed [PDF]
The aim of this work was to construct life table of Bemisia tabaci (Gen.) A and B (silverleaf whitefly B. argentifolii Bellows and Perring) biotype (Hem.: Aleyrodidae) on two host plants; cotton, (Gossypium hirsutum L.) and rapeseed, (Brassica napus L.).
Rouhani, M. +3 more
core +1 more source
Can Brisbane remain a sub-tropical city? [PDF]
As the seasons change, public and private gardens become a riot of colour. Winter shows the scarlet flags of poinsettia – Brisbane's emblem, which, if really a Mexican beauty, has made itself very much at home. The lavender glow of jacaranda and the gold
Spearritt, Peter
core +1 more source
A bioassay-guided fractionation of culture filtrates of the fungus Alternaria euphorbiicola, a pathogen of the weed Euphorbia heterophylla, led to the isolation of anhydromevalonolactone (1), tyrosol (2), (R)-( - )-mevalonolactone (3), and ...
Eduardo Vinícius Vieira Varejão +3 more
doaj +1 more source
Comparative analysis for quantification of Citrus Variegated Chlorosis in the field [PDF]
Citrus Variegated Chlorosis (CVC) caused by Xylella fastidiosa is one of the most important diseases for Brazilian citriculture. The CVC is a vascular disease with a long incubation period and symptoms similar to other disorders, and this factors ...
AMORIM, Lilian +4 more
core +4 more sources
Abscission is a highly regulated and coordinated developmental process in plants. It is important to understand the processes leading up to the event, in order to better control abscission in crop plants.
Anne Kathrine (Trine) eHvoslef-Eide +8 more
doaj +1 more source
Influence of leaf trichome type, and density on the host plant selection by the greenhouse whitefly, Trialeurodes vaporariorum (Hemiptera: Aleyrodidae) [PDF]
Host selection by adult greenhouse whitefly Trialeurodes vaporariorum (Westwood) was assessed on two pelargonium plant cultivars, Pelargonium x domesticum (regal) and P. x hortorum (zonal) using Petri dish bioassay chambers in choice and no-choice tests.
AH Medeiros +46 more
core +1 more source
A leiteira (Euphorbia heterophylla) é uma planta daninha de ciclo anual encontrada com frequência em lavouras de soja na região Sul do Brasil, controlada em lavouras de soja geneticamente modificada (Roundup Ready® - RR) com uso do herbicida glyphosate ...
L Vargas +5 more
doaj +1 more source
Acetolactate synthase activity in Euphorbia heterophylla resistant to ALS- and protox- inhibiting herbicides [PDF]
The objective of this study was to determine the activity of the enzyme acetolactate synthase in biotypes of wild poinsettia (Euphorbia heterophylla) with multiple resistance to ALS- and Protox- inhibitors in the presence and absence of imazapyr ...
E. Xavier +6 more
doaj +1 more source
Toxic plants and companion animals. [PDF]
Poisoning by substances of plant origin is unusual in both dogs and cats, yet it is possible; as many veterinarians do not know which plants can contain toxic active principles, the possibility of intoxication by ornamental plants commonly used to ...
SEVERINO, LORELLA
core +1 more source
O objetivo do presente trabalho foi caracterizar o efeito alelopático do extrato aquoso de folhas de A. annua sobre a germinação de sementes e o desenvolvimento de plântulas de alface (Lactuca sativa L.) e leiteiro (Euphorbia heterophylla L.).
E.C. Magiero +5 more
doaj +1 more source

