Results 31 to 40 of about 921 (179)
20 pieces of all-female (produces by using Gynogenesis process via gamma irradiation) Caspian salmon (Salmo trutta caspius) with dosage of 450, 600, 750, 900 and 1050 Gy by gamma irradiation (Co60) with average weight of 2.31 ± 0.22 in a randomized ...
Gholamreza Shahhosseini
doaj +1 more source
Gynogenesis is a reproductive mode where offspring inherit exclusively maternal chromosomes. Gynogenetic development in fish may be induced intentionally by activating eggs with the UV-irradiated, inactive spermatozoa.
Konrad Ocalewicz +6 more
doaj +1 more source
Teleost fishes exhibit extraordinary diversity, plasticity and adaptability with their sex determination and sexual development, and there is growing evidence that non-coding RNAs (ncRNAs) are emerging as critical regulators of reproduction.
Jie Cheng +5 more
doaj +1 more source
Studies on Gynogenesis Induction in Cassava (Manihot esculenta Crantz) Unpollinated Ovule Culture
Cassava (Manihot esculenta Crantz) is an important crop for subsistence farming in tropical and subtropical regions. There is a need to increase the rate of genetic gain to develop varieties adapted to new environmental conditions affected by climate ...
Zaida Lentini +4 more
doaj +1 more source
ABSTRACT Parthenogenesis, or all‐female clonal reproduction, is rare among vertebrates. This is often attributed to the selective disadvantages of assumed reduction of genetic diversity in the absence of sex. However, parthenogenetic vertebrates have highly complex evolutionary histories, with most arising through hybridisation and many being polyploid.
Kate E. O'Hara +4 more
wiley +1 more source
Obtaining doubled haploids of Cucurbita pepo L.
Doubled haploids have been widely used worldwide in breeding programs and fundamental research as valuable homozygous material for about 100 years. The species Cucurbita pepo L.
E. A. Domblides +2 more
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Macro‐Hybrid and Micro‐Hybrid of Fish
ABSTRACT This study reviews the progress in fish breeding, focusing on distant hybridization and gynogenesis, and introduces the theory of macro‐hybrid and micro‐hybrid. The macro‐hybrid refers to the allo‐progeny derived from distant hybridization, including the allo‐progenies.
Qizhi Liu +16 more
wiley +1 more source
Evaluation of genetic stability of sugar beet (Beta vulgaris L.) plants obtained from unfertilized ovules using RAPD markers [PDF]
In order to improve the methods of embryo regeneration applied so far in in vitro cultures, a two-phased, innovative method was used. It involved using a liquid and solid media.
Magdalena Tomaszewska-Sowa +1 more
doaj +1 more source
Sexual conflict as a constraint on asexual reproduction: an empirical review
ABSTRACT Theory predicts that facultatively asexual animals, which can leverage the advantages of both sexual and asexual reproduction, should outcompete obligately sexual and obligately asexual animals. Yet, paradoxically, obligate sexual reproduction predominates in many animal lineages, while the most flexible form of facultative asexuality (i.e ...
Daniela Wilner +2 more
wiley +1 more source
Twenty years of cucurbit breeding research at the World Vegetable Center
Abstract The contribution of cucurbit crops to global food and nutrition security is immense. They are economically and nutritionally important to smallholder farmers in Asia, who account for 81% of global cucurbit production. World Vegetable Center (WorldVeg) has been focused for 20 years on four species: bitter gourd (Momordica charantia), ridge ...
Narinder Pal Singh Dhillon
wiley +1 more source

