Results 81 to 90 of about 25,410 (227)

The polyploid continuum and the landscape of polyploid genomic variation

open access: yesAmerican Journal of Botany, Volume 112, Issue 11, November 2025.
Abstract Polyploid research has traditionally distinguished between autopolyploids and allopolyploids on the basis of evolutionary origins, modes of inheritance, or chromosomal pairing behavior during meiosis. It has long been recognized, however, that a binary classification does not accurately reflect the complexity and diversity inherent to ...
Alex D. Twyford   +6 more
wiley   +1 more source

Cultivo orgânico de cultivares de café a pleno sol e sombreado Organic cultivation of coffee cultivars grown under full sun and under shading

open access: yesPesquisa Agropecuária Brasileira, 2006
O objetivo deste trabalho foi avaliar a influência de dois sistemas de cultivo orgânico sobre crescimento, fenologia, nutrição e produtividade de cultivares de cafeeiro, e sobre as características químicas do solo. Seis cultivares de café foram avaliadas
Marta dos Santos Freire Ricci   +3 more
doaj   +1 more source

Cold induced changes on sugar contents and respiratory enzyme activities in coffee genotypes Alterações dos teores de açúcares e da atividade de enzimas do metabolismo respiratório em genótipos de café submetidos ao frio

open access: yesCiência Rural, 2010
The present research aimed to characterize some biochemical responses of Coffea canephora (clones 02 and 153) and C. arabica (Catucaí IPR 102) genotypes subjected to low positive temperatures, helping to elucidate the mechanisms involved in cold ...
Fábio Luiz Partelli   +6 more
doaj  

JAMUR MAKROSKOPIS DI PERKEBUNAN KOPI (COFFEA SP.) KECAMATAN TIMANG GAJAH KABUPATEN BENER MERIAH [PDF]

open access: yes, 2015
ABSTRAKKata kunci: Identifikasi, jamur makroskopis, Kecamatan Timang GajahPenelitian dengan judul "Jamur Makroskopis di Perkebunan Kopi (Coffea sp.) Kecamatan Timang Gajah Kabupaten Bener Meriah", bertujuan untuk mengidentifikasi, serta mengetahui ...
Suhada
core  

Annotated world bibliography of host fruits of Bactrocera latifrons (Hendel) (Diptera: Tephritidae) [PDF]

open access: yes, 2013
Bactrocera latifrons (Hendel) (Diptera: Tephritidae) infests fruits and vegetables of a number of different plant species, with host plants primarily found in the plant families Solanaceae and Cucurbitaceae. Although B.
Liquido, Nicanor J., McQuate, Grant T.
core  

natural swine health [PDF]

open access: yes, 2011
guide to keeping your pigs healthy with herbs and other natural ...
Groot, Maria   +2 more
core  

PEMBUATAN ASAM ASETAT DARI LIMBAH CAIR KULIT KOPI ARABIKA (Coffea arabica. Sp)

open access: yesJurnal Sains dan Teknologi Reaksi, 2016
ABSTRAK Penelitian tentang pembuatan asam asetat dari limbah cair kulit kopi (coffea arabika. Sp) telah dilakukan. Limbah cair kulit kopi dapat dimanfaatkan untuk menghasilkan asam asetat, dan diharapkan dapat menghasilkan mutu asam asetat yang baik sesuai dengan standar mutu asam asetat dari nira aren (Arenga pinnata) SNI 01-4371-1996.
Rosmiati Rosmiati   +2 more
openaire   +1 more source

Variations in the total nuclear DNA content in African Coffea species (Rubiaceae) [PDF]

open access: yes, 1994
La quantité d'ADN totale par noyau a été estimée pour soixante-quinze génotypes de #Coffea$ appartenant à seize espèces diploïdes (2n=22) et #C. arabica$ (tétraploïde 2n=44) par cytofluorométrie en flux.
Chabrillange, Nathalie   +5 more
core  

Efeitos das faixas de controle do capim-braquiária (Brachiaria decumbens) no desenvolvimento inicial e na produtividade do cafeeiro (Coffea arabica) Effect of Brachiaria decumbens control bands on the initial development and productivity of Coffea arabica

open access: yesPlanta Daninha, 2006
Neste trabalho, objetivou-se avaliar os efeitos das diferentes faixas de controle do capim-braquiária (Brachiaria decumbens) no desenvolvimento inicial e na produtividade do cafeeiro (Coffea arabica).
L.S. Souza   +4 more
doaj   +1 more source

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