Results 81 to 90 of about 14,475 (148)

Studies on the Germination and Emergence of Castor Seedlings

open access: yesSeeds
Castor (Ricinus communis) is an oilseed usually cultivated in tropical and semi-arid conditions. The slow and uneven germination of castor seed is causing poor crop establishment and reduced seed yield. This series of studies investigated several factors
Liv S. Severino
doaj   +1 more source

Algodão orgânico carece de pesquisas e marketing. [PDF]

open access: yes, 2006
algodoeiro cultivado organicamente, sem uso de produtos químicos sintéticos – como fertilizantes químicos, pesticidas (inseticidas, herbicidas, fungicidas e outros), reguladores de crescimento, desfolhantes e maturadores –, é ainda considerado um pequeno
BELTRÃO, N. E. de M., AMORIM, R. S.
core  

Performance of cotton expressing Cry1Ac, Cry1F and Vip3Aa19 insecticidal proteins against Helicoverpa armigera, H. zea and their hybrid progeny, and evidence of reduced susceptibility of a field population of H. zea to Cry1 and Vip3Aa in Brazil. [PDF]

open access: yesPLoS One, 2023
Marques LH   +16 more
europepmc   +1 more source

Bacilli Rhizobacteria as Biostimulants of Growth and Production of Sesame Cultivars under Water Deficit. [PDF]

open access: yesPlants (Basel), 2023
Lima GBP   +10 more
europepmc   +1 more source

Susceptibility of Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidea) to gamma-cyhalothrin under laboratory conditions

open access: yesScientia Agricola, 2005
Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) is an important biological control agent of the cotton leafworm [Alabama argillacea (Hübner)] in the cotton crops in Brazil. The use of selective products such as pyrethroids has been emphasized in
Alexandre Igor de Azevedo Pereira   +2 more
doaj  

Evaluation of inoculum potential of pathogens in seeds: relation to physiological quality and DNA quantification by qPCR

open access: yesJournal of Seed Science
: Given what is already known in regard to seed health and the availability of molecular methods for detection of the pathogens Stenocarpella maydis and Stenocarpella macrospora in maize seeds, Colletotrichum gossypii var.
Marina de Resende Faria Guimarães   +4 more
doaj   +1 more source

CRESCIMENTO DE MAMONEIRA BRS ENERGIA SUBMETIDA À DOSES DE NITROGÊNIO E PERÍODOS DE COMPETIÇÃO COM PLANTAS DANINHAS

open access: yesRevista Verde de Agroecologia e Desenvolvimento Sustentável, 2012
A determinação do período de competição entre plantas de mamoneira e ervas daninha, é imprescindível no tocante ao seu manejo e controle, em face da cultura explorada economicamente.
José Félix Brito   +3 more
doaj  

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