Results 71 to 80 of about 1,250 (186)

The Impact of the Expansion and Contraction of China Cities on Carbon Emissions, 2002–2021, Evidence from Integrated Nighttime Light Data and City Attributes

open access: yesRemote Sensing
Exploring the impact of urbanization on carbon emissions is crucial for formulating effective emission reduction policies. Using nighttime light data and attribute data from 68 Chinese cities (2002–2021), this paper develops an urban development ...
Jiaqi Qian   +8 more
doaj   +1 more source

Observations sur le comportement de cotonniers glandless cultivés en milieu paysan vis-à-vis du parasitisme précoce [PDF]

open access: yes, 1988
Les attaques d'insectes sur cotonnier glandless au stade précoce ont été observées : 1) en l'absence de protection, 2) avec pulvérisation d'insecticide, 3) après traitement des semences à l'acéphate.
Hau, Bernard, Richard, Guy
core  

Fate of tetracycline and sulfonamide resistance genes in a grassland soil amended with different organic fertilizers [PDF]

open access: yes, 2019
This study provided an assessment of the environmental fate of antibiotic resistance genes (ARGs) in a Scottish grassland field repeatedly treated with different organic fertilizers.
Chapman, Stephen J.   +6 more
core   +1 more source

La "maladie bleue" du cotonnier en Afrique : transmission de cotonnier à cotonnier par Aphis gossypii Glover [PDF]

open access: yes, 1971
Cette maladie existe depuis quinze ans, au moins, en Centrafrique ; elle progresse au Tchad, gagne le Cameroun oriental et le Dahomey. Son importance économique est variable mais rarement négligeable.
Cauquil, Jean, Vaissayre, Maurice
core  

Pest categorisation of Hishimonus phycitis [PDF]

open access: yes, 2018
24The Panelon Plant Health performed a pest categorisation of Hishimonusphycitis (Hemiptera: Cicadellidae) for the EU. H.phycitis is a well-defined species, occurring in tropical and subtropical Asian countries from Iran to Malaysia.

core   +1 more source

Mycoplasma-like diseases [PDF]

open access: yes, 1980
Since 1967, many diseases have been associated with mycoplasma- like microorganisms (MLM), especially when symptoms have been characterized by general plant chlorosis, stunting, excessive proliferation of branches (witches' broom), bud proliferation and ...
Granada, G., Kitajima, E.
core   +2 more sources

'Candidatus Phytoplasma asteris', a novel phytoplasma taxon associated with aster yellows and related diseases [PDF]

open access: yes, 2004
Aster yellows (AY) group (16SrI) phytoplasmas are associated with over 100 economically important diseases worldwide and represent the most diverse and widespread phytoplasma group.
Bottner, K. D.   +5 more
core   +1 more source

Karakterisasi Fitoplasma Penyebab Penyakit Layu Kelapa di Pulau Derawan Menggunakan Rflp In Silico [PDF]

open access: yes, 2017
Characterization of phytoplasmas associated with coconut wilt disease in Derawan Island using in silico RFLP. Coconutwilt disease has been reported in Derawan Island that resulted in eradication up to 10% of the total cultivated palms.
Giyanto, G. (Giyanto)   +2 more
core  

Pathogenic bacteria with highly reduced genomes [PDF]

open access: yes, 2011
Fitoplazme su bakterije koje nemaju staničnu stjenku i zbog toga pripadaju razredu Mollicutes. Ovi patogeni su intracelularni paraziti biljnog floema, a prenose se kukcima koji im služe i kao domaćini. Dok kod kukaca najčešće ne izazivaju nikakve smetnje,
Mateljak, Ivan
core   +2 more sources

Molecular characterization of an aster yellows phytoplasma associated with proliferation of periwinkle in Malaysia [PDF]

open access: yes, 2012
Madagascar periwinkle is a common decorative, easy growing and spreading perennial herb. Phyllody, virescence, proliferation, little leaf and yellowing symptoms were observed on periwinkle in Serdang and Banting, Selangor, Malaysia.
Abdullah, SNA   +4 more
core   +2 more sources

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