Results 31 to 40 of about 4,167 (182)

Production of Triploid Germplasm by Inducing 2n Pollen in Longan

Horticulturae, 2022
Longan (Dimocarpus longan Lour.) is of great economic significance in South China for its unique taste and nutritional properties. However, longan breeding is mainly based on seedling selection, which generally results in small fruits, low flesh recovery,
Huimin Li, Jichang Gan, Hai Xiong, Xiaodan Mao, Shuwei Li, Huiyun Zhang, Guibing Hu, Chengming Liu, Jiaxin Fu   +8 more
doaj   +1 more source

3H-thymidyne incorporation into the microspores and pollen grains nuclei in excised Tradescantia stamens

Acta Societatis Botanicorum Poloniae, 2015
The development of microspores and pollen grains lasts in Tradescantia bracteata in vivo from the tetrad stage to pollen shedding about 14 days. This including 7 days of the microspore life cycle. In stamens excised and placed on a medium the microspores
Maria Charzyńska, Joanna Maleszka
doaj   +1 more source

Obtaining calli and regenerated plants in anther cultures of pea

Czech Journal of Genetics and Plant Breeding, 2014
Pea (Pisum sativum L.) is a species for which there is no efficient method for the recovery of haploid plants yet. This research investigated the influence of various genotypes, nutrient media, and stress treatments on callus formation, embryogenesis and
Sergey BOBKOV
doaj   +1 more source

Cytological observation of cytoplasmic male-sterile anther of brown cotton

浙江大学学报. 农业与生命科学版, 2002
Cytological observation of microsporogenesis was performed for a cytoplasmic male-sterile (CMS) line of brown cotton comparing with its maintainer line.
LI Yue-you, WANG Xue-de, XU Ya-nong
doaj   +1 more source

Proporsi mikrospora uninukleat pada empat klon tebu (Saccharum spp.)

Journal of Biological Researches, 2012
An experiment to study the two different morphological characters of four clones of sugarcane (Saccharum spp.) panicles containing more than 50% of uninucleate microspore development was conducted in Tissue Culture Laboratory at Biology Faculty, Gadjah ...
Suai Suai, Woerjono Mangoendidjojo, , P.D.N Mirzawan, Ari Indrianto   +3 more
doaj   +1 more source

Defective callose walls and cell plates during abnormal meiosis cause male-sterility in the oat mutant zbs1

Journal of Integrative Agriculture, 2016
: During meiosis in flowering plants, degradation of the callose wall in tetrads releases newly produced microspores, which develop into mature pollen grains.
Xiao SHI, Jin-xia WU, Hai-tao ZHOU, Xiao-hong YANG, Tian-liang LI, Xin-jun ZHANG, Cai YANG, Xiao HAN   +7 more
doaj   +1 more source

Evolutionary relationship between organellar DNA inheritance patterns and traits of seed plants

American Journal of Botany, EarlyView.
Abstract Premise In plants, organellar DNA is predominantly maternally inherited, but biparental and paternal inheritance have also been observed. Specific mechanisms, such as plastid exclusion during pollen mitosis or genome degradation, ensure maternal inheritance.
Takuya Konuma, Takashi Makino
wiley   +1 more source

Efficient isolated microspore culture protocol for callus induction and plantlet regeneration in japonica rice (Oryza sativa L.)

Plant Methods
Background Isolated microspore culture is a useful biotechnological technique applied in modern plant breeding programs as it can produce doubled haploid (DH) plants and accelerate the development of new varieties.
Runhong Gao, Yingjie Zong, Shuwei Zhang, Guimei Guo, Wenqi Zhang, Zhiwei Chen, Ruiju Lu, Chenghong Liu, Yifei Wang, Yingbo Li   +9 more
doaj   +1 more source

ATXR5 and ATXR6 restrict meiotic crossover formation within heterochromatin in Arabidopsis

Journal of Integrative Plant Biology, EarlyView.
The Arabidopsis H3K27 mono‐methyltransferases ATXR5 and ATXR6 repress crossovers within meiotic heterochromatin, are required for heterochromatin condensation and H3K27me1 establishment, and specifically influence the maintenance of DNA methylation in meiocytes.
Jun Zhang, Yue Yu, Han Wang, Meiling Li, Dingning Li, Chenjiang You, Yingxiang Wang, Cong Wang   +7 more
wiley   +1 more source

A robust biotechnology induces artificial genomic duplication via transient RNAi‐mediated suppression of OSD1 in rice

Journal of Integrative Plant Biology, EarlyView.
Plant Polyploidization via Gene Interference, a robust technology for inducing polyploidy in various rice accessions, uses transient RNAi‐mediated suppression of OSD1 to induce genomic duplication. Two strategies were used to directly induce fertile autotetraploid plants in the first generation, thereby substantially shortening the breeding cycle ...
Zijun Lu, Lianjun Zhu, Guobin Liang, Rou Chen, Yu Huang, Jia Yang, Liang Fu, Xiangxing Zhao, Runze Wu, Xiangdong Liu   +9 more
wiley   +1 more source