Results 31 to 40 of about 1,598 (179)

Pollination Ecology of Sabatia Campenstris Nutt. (Gentianaceae)

open access: yesOklahoma Native Plant Record, 2016
Flower timing studies in June and July (1972) on populations of Sabatia campestris Nutt. show this plant to be allogamous (out crossing) under natural field conditions.
Constance E. Taylor
doaj   +1 more source

Alien versus native weeds present in crops of Oranie (North West Algeria): A comparative study of their life-history traits [PDF]

open access: yes, 2012
Algeria is the North African country with the largest number of alien weed species. The analy- sis of Oranie's weed flora showed 29 species of alien species which represents 1.62% from the 1,780 species of the whole spontaneous flora of the oranian ...
Kazi Tani, Choukry   +2 more
core   +1 more source

Studies of the floral biology and reproductive system of Brassica napus L.(Cruciferae)

open access: yesBrazilian Archives of Biology and Technology, 2000
Studies of the floral biology of canola were accomplished with the objective of enlarging the system and reproductive strategies knowledge of its CTC-4 cultivar in Dourados, Centerwest, Brazil.
Rosilda Mara Mussury   +1 more
doaj   +1 more source

Genetic analysis of safflower domestication. [PDF]

open access: yes, 2014
BackgroundSafflower (Carthamus tinctorius L.) is an oilseed crop in the Compositae (a.k.a. Asteraceae) that is valued for its oils rich in unsaturated fatty acids.
Bowers, John E   +4 more
core   +1 more source

Reproductive biology of Faidherbia albida (Del.) A. Chev

open access: yesSilva Fennica, 2003
Phenology, flowering and fructification were studied in 5 natural populations of Faidherbia albida in a semi-arid zone in Senegal. In this species, the inflorescence acts as the reproductive unit; the basal flowers, opening first, have a low rate of ...
Gassama-Dia, Yaye   +2 more
doaj   +1 more source

Current advances in genomics and breeding of leaf chicory (Cichorium intybus L.) [PDF]

open access: yes, 2016
This review gives an overview of agricultural topics on a non-model species, in other words, leaf chicory. Often classified as a minor crop, \u201cRadicchio\u201d, the Italian name of leaf chicory, is assuming a very important role at both a local and ...
Barcaccia, Gianni   +2 more
core   +2 more sources

Biologia floral, sistema reprodutivo e métodos artificiais de hibridação de Hemerocallis hybrida Floral biology, reproductive system and artificial methods of hybridization of Hemerocallis hybrida

open access: yesCiência e Agrotecnologia, 2011
A espécie ornamental Hemerocallis hybrida Hort. é uma planta herbácea perene originária da Ásia. Conduziu-se este trabalho, com o objetivo de estudar métodos artificiais de hibridação, biologia floral e o sistema reprodutivo de plantas de 'lírio-de-São ...
Sara Pereira Menezes   +1 more
doaj   +1 more source

Pollen-ovule relation in Adesmia tristis and reflections on the seed–ovule ratio by interaction with pollinators in two vertical strata

open access: yesAnais da Academia Brasileira de Ciências, 2014
The vertical distribution of pollinators is an important component in the foraging pattern of plants strata, and it influences the reproductive system (pollen/ovule ratio) and seed/ovule ratio.
NADILSON R. FERREIRA   +2 more
doaj   +1 more source

The Mating System of the Wild-to-Domesticated Complex of Gossypium hirsutum L. Is Mixed [PDF]

open access: yes, 2018
The domestication syndrome of many plants includes changes in their mating systems. The evolution of the latter is shaped by ecological and genetic factors that are particular to an area.
Alavez, V   +7 more
core   +3 more sources

Do honey bees affect pollination in the flowers of Ochlandra travancorica, an endemic bamboo of the Western Ghats?

open access: yesJournal of Asia-Pacific Biodiversity
Ochlandra travancorica (Bedd.) Benth. ex Gamble is an economically crucial endemic reed of the Western Ghats, India. Mass populations of this reed directly affect global warming reduction through CO2 fixation in the ecosystem.
Palanivel Venkatesh, Raju Ramasubbu
doaj   +1 more source

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