Results 11 to 20 of about 1,565 (195)

Studi Tingkat Ploidi pada Lili (Lilium sp.) Hasil Kultur Antera Melalui Penghitungan Jumlah Kloroplas dan Kromosom [PDF]

open access: yesJurnal Agro, 2016
Lili (Lilium sp.) termasuk famili Liliaceae, merupakan tanaman hias yang memiliki nilai ekonomi tinggi karena permintaan konsumen terus meningkat. Permintaan varietas tanaman yang seragam menuntut pengembangan hibrida F1.
Dewi Pramanik   +2 more
doaj   +3 more sources

Efeitos do estádio de desenvolvimento da antera e da radiação gama na formação de calos derivados de anteras de tomate

open access: yesScientia Agricola, 1999
Este trabalho foi conduzido visando: (I) determinar a influência do estádio de desenvolvimento de anteras de tomate sobre a formação de calos e (II) analisar o efeito da radiação gama no cultivo in vitro de anteras. No primeiro experimento, anteras de híbridos de tomate IPA 5 x Rotam 4 (F1) foram cultivadas em três meios nutritivos.
Lilia Willadino   +2 more
exaly   +4 more sources

Being a Vocational Teacher in Sweden: Navigating the Regime of Competence for Vocational Teachers

open access: yesInternational Journal for Research in Vocational Education and Training, 2022
Context: Vocational teachers are called to constantly meet the upcoming needs in social and working life. In Sweden, the high demand for vocational teachers has led to their recruitment in the early stages of vocational teacher studies or even before ...
Sofia Antera
doaj   +1 more source

Morfo-anatomía de la flor de Epiphyllum phyllanthus (Cactaceae)

open access: yesRevista Mexicana de Biodiversidad, 2010
El objetivo de esta investigación fue analizar la morfo-anatomía de la flor de Epiphyllum phyllanthus (L.) Haw, especie con distribución amplia en los bosques húmedos de América del Sur como epífita.
Odair José Garcia de Almeida
doaj   +1 more source

Embriología de Pachycereus militaris (Audot) Hunt (Cactaceae)

open access: yesBotan‪ical Sciences, 2001
Este trabajo es una contribución al conocimiento de la embriología de las cactáceas y a la definición de sus estructuras reproductoras. Se describe el desarrollo de anteras, óvulos y semillas de Pachycereus militaris.
Citlali Núñez-Mariel   +2 more
doaj   +1 more source

Estructura y desarrollo del ginostemio en Dichromanthus michuacanus (Orchidaceae, Spiranthinae)

open access: yesRevista Mexicana de Biodiversidad, 2012
Se describe e ilustra la morfología y el desarrollo floral de Dichromanthus michuacanus, con énfasis en el ginostemio. Se examinaron inflorescencias en diferentes estadios de desarrollo mediante microscopía electrónica de barrido y microscopía de luz ...
Coyolxauhqui Figueroa   +3 more
doaj   +1 more source

Calogênese in vitro em anteras de coffea arabica L. [PDF]

open access: yesCiência e Agrotecnologia, 2004
O café é um dos mais importantes produtos do mercado internacional; porém, o tempo gasto e os recursos despendidos são fatores limitantes para o melhoramento do cafeeiro por meio de métodos convencionais. Contudo, a cultura de anteras surge como uma alternativa viável e de curto prazo para solução desses problemas. Com o presente trabalho, objetivou-se
Palú, Ednamar Gabriela   +2 more
openaire   +3 more sources

Karakterisasi Sifat Agronomi Tanaman Padi Beras Merah Dihaploid Berpotensi Hasil Tinggi Diperoleh melalui Kultur Antera Antera

open access: yesJurnal Agronomi Indonesia (Indonesian Journal of Agronomy), 2018
<em>ABSTRACT<br /><br />Observation and identification of rice germplasm with advanced traits are important activities in the process of obtaining a variety of rice because every genotype will show unique characters. Genotype derived from breeding program as anther culture need to be characterized to identify the doubled haploid lines
Mawaddah ,   +3 more
openaire   +2 more sources

Optimasi Metode Produksi Tanaman Dihaploid Terong (Solanum melongena L.) melalui Kultur Antera

open access: yes, 2022
Terong (Solanum melongena L., 2n = 2x = 24), termasuk famili Solanaceae yang merupakan tanaman sayuran populer dan bernilai ekonomis tinggi. Pengembangan varietas tanaman terong terfokus pada pengembangan varietas hibrida yang memerlukan galur murni ...
Mulyana, Ade
core   +1 more source

Important and achieved competence for Swedish vocational teachers: A survey with teachers and principals

open access: yesNordic Journal of Vocational Education and Training, 2022
Vocational teachers have a key role in the professional growth of vocational students, making their competence an important factor in the quality of VET.
Sofia Antera   +3 more
doaj   +1 more source

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