Results 101 to 110 of about 7,958 (225)
Variation of microsporogenesis in sexual, apomictic and recombinant plants of Poa pratensis L
Caryologia, 2022 Apomixis is a rather widespread phenomenon in plants. It is defined as the asexual formation of a seed from the maternal tissues of the ovule, avoiding the processes of meiosis and fertilization.
Egizia Falistocco +5 more
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Floral Biology and Breeding System of Garcinia Imberti Bourd.-A Critically Endangered Tree Species of Western Ghats, Kerala, India [PDF]
, 2015 Plant flowering and breeding characteristics are important to understand the reproduction of plant populations. Garcinia imberti belongs to the family Clusiaceae is a critically endangered tree species of Agasthyamalai hills and endemic to Western Ghats,
Kandasamy, R. +3 more
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Timing of megasporogenesis in Tripsacum species (Poaceae) as related to the control of apoximis and sexuality [PDF]
, 1994 Chez différentes espèces pseudogames aposporiques (#Panicum maximum, Ranunculus auricomus, Paspalumnotatum$), des différences pour la durée de la mégasporogenèse ont été observées entre les formes sexuées et aposporiques ; les gamétophytes femelles ...
Leblanc, Olivier, Savidan, Yves
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La apomixis, su estudio y posibles usos [PDF]
, 2008 La apomixis es una forma de reproducción asexual a través de semillas que origina plantas genéticamente idénticas a la planta madre (clones). Su estudio para entender el funcionamiento, herencia y regulación a nivel génico de este fenómeno en pasto ...
Cervigni, Gerardo +4 more
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Citrus breeding for biotic and abiotic stress tolerances; new tools and strategies for biodiversity Mobilization : S04T01 [PDF]
, 2013 Citrus industry is affected worldwide by several fungal, bacterial and viral diseases. Some production areas also suffer of strong abiotic constraints such as water deficit, salt stress and iron chlorosis. Resistance or tolerance traits for most of these
Ollitrault, Patrick
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Revista Mexicana de Ciencias Pecuarias, 2012 Apomixis es un tipo reproductivo donde la producción de semilla ocurre sin fusión de gametos, resultando por generaciones, en descendencia que genéticamente, es copia fiel del progenitor materno. La apomixis se encuentra ampliamente distribuida entre las
Adrián R. Quero Carrillo +3 more
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Revista Mexicana de Ciencias Pecuarias, 2010 Apomixis es un tipo reproductivo donde la producción de semilla ocurre sin fusión de gametos, resultando por generaciones, en descendencia que genéticamente, es copia fiel del progenitor materno. La apomixis se encuentra ampliamente distribuida entre las
Adrián R. Quero Carrillo +3 more
doaj
Pollination ecology of New Zealand orchids : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Ecology at Massey University [PDF]
, 2002 The New Zealand orchid flora comprises twenty-five genera and at least 100 species occurring throughout the country. Although the number of endemic species is high (69%) only four genera are endemic to New Zealand.
Lehnebach, Carlos A
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