نتایج جستجو برای: panicle size

تعداد نتایج: 557380  

Journal: :Genetics and molecular research : GMR 2009
N Singh R K Lal

Isabgol is a medicinal plant known for its high-quality dietary fiber. The genetics and inheritance of economic characters, such as number of panicles, panicle length, seed yield, and swelling factor, were measured by diallel analysis of F(1) progenies from seven parents. The additive component of genetic variance was significant for days to flowering, plant height, branches/plant, peduncle len...

2012
Xianwen Zhang Jiaping Li Ailing Liu Jie Zou Xiaoyun Zhou Jianhua Xiang Wirat Rerksiri Yan Peng Xingyao Xiong Xinbo Chen

Rice at reproductive stage is more sensitive to environmental changes, and little is known about the mechanism of heat response in rice panicle. Here, using rice microarray, we provided a time course gene expression profile of rice panicle at anther developmental stage 8 after 40°C treatment for 0 min, 20 min, 60 min, 2 h, 4 h, and 8 h. The identified differentially expressed genes were mainly ...

اله قلی پور, مهرزاد , ربیعی, بابک , سمیع زاده لاهیجانی, حبیب الله, قربانی, حمیدرضا,

One of the most important purpose in breeding program is increasing grain yield per hectare. Using selection indices is the most effective methods of selection for simultaneous improvement of grain yield and related traits, which often have a quantitative inheritance. In this study, 29 rice genotypes (9 parents and 20 progenies) were evaluated. The numbers of filled grains in panicle and panicl...

Journal: :Crop Science 2023

Panicle size and architecture are traits of major relevance for oat production as they play a key role in conditioning the potential number grains per spikelet consequence grain shape, size, distribution. The aim this research was to propose an image-based strategy methodology evaluate panicles. Specifically, goals were create deploy foundations high-throughput phenotype panicles determine opti...

Journal: :Jurnal Sains Teknologi dan Lingkungan (JSTL) 2021

This study aims to describe the morphological character and seed growth potential of biduri (Calotropis gigantea) accession growing in tourist area South Central Lombok (Kuta Mandalika, Tanjung Aan, Seger), was carried out during February-August 2020. The method used descriptive observative with survey techniques sampling by purposive based on population biduri. experiment a completely randomiz...

2014
Milton J. Haar Jack Dekker

The dormancy status of S. faberi seed at abscission was assessed with reference to tiller and panicle development. Seed from a single genetic line were grown under field, greenhouse and controlled environment growth chamber conditions. At abscission, a small fraction (<10%) of S. faberi seed germinated under favorable conditions. Seed were dissected and germination of caryopses and embryos also...

2015
G. A. Awuni J. Gore D. Cook F. Musser A. Catchot C. Dobbins

Sleeve and large field cage experiments were conducted in Stoneville, MS, in 2010 and 2011 to assess adult rice stink bug, Oebalus pugnax (F.), injury in rice. 'Cocodrie' and 'Wells' were infested at bloom, milk, and soft dough stages of panicle development. Twenty rice panicles were infested individually in the sleeve cage experiment as replicates with 0, 1, or 2 O. pugnax in a split-plot, com...

2016
M. Z. Islam M. Khalequzzaman M. K. Bashar N. A. Ivy M. M. Haque M. A. K. Mian

The study was conducted to investigate genetic variability among 113 aromatic and fine local rice genotypes of which five were exotic in origin. The test genotypes were evaluated for 19 growth traits, yield components, and yield. All the quantitative traits varied significantly among the test genotypes. High heritability along with high genetic advance was observed for flag leaf area, secondary...

2016
Babak RABIEI Mojtaba KORDROSTAMI Atefeh SABOURI Hossein SABOURI

Th is research was carried out to identify quantitative trait loci (QTLs) controlling yield and yield components in rice using 196 F2:4 lines derived from a cross between two rice varieties of indica, Sepidrood and Gharib. Quantitative trait loci analysis using composite interval mapping was carried out by 105 SSR and 111 AFLP markers. Results showed that 8 chromosomes contain 28 regions (QTLs)...

2013
Ghaffar KIANI

Genetic diversity is prerequisite for any crop improvement program as it helps breeders in the development of superior recombinants. Th is study was conducted with the aim of evaluating genetic parameters and phenotypic divergence in a germplasm consisted of twenty rice varieties. High estimates of heritability coupled with high genetic advance found for total grains per panicle, fi lled grains...

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