2024 Stigma exsertion rate

Stigma exsertion rate

Author: nzgm

August undefined, 2024

WebDetection of dominant QTLs for stigma exsertion ratio in rice derived from Oryza rufipogon accession ‘W0120’ ... A QTL associated with high seed coat cracking rate of a leading Japanese soybean variety. WebAug 2, 2024 · The percentage of accessions with exserted stigmas decreased from 96% (wild accessions) to 4.7% (BIG accessions; Figure 1D ). We observed flush stigmas from accessions belonging to all three groups, with the highest proportion being in the CER group (57.3%) and in the BIG group to a lesser degree (32.2%).

Floral traits to enhance outcrossing for higher hybrid seed

Weblower stigma exsertion rate compared to wild rice (Virmani Sant, 1994). Stigma exsertion percentage of At307 was not significantly higher from other varieties (Table 1). Al-though At306 and Bg304 have showed higher stigma exsertion percentage, they were not re-ported out-crossing problem. condition. Weblength (cm), pollen fertility (%), stigma exsertion (%), stigma length (mm), style ... Outcrossing rate in rice is influenced by many internal and external factors and is dhcpd remove host declaration

High-Resolution Mapping and Functional Analysis of se2.1

WebJul 28, 2024 · The total stigma exsertion rate (SER) was defined as the rate of the number of the flowered spikelets with the exserted stigmas (SES + DES) to the total number of the flowered spikelets (SES + DES + NES) on a single panicle. In order to detect QTLs for SER, … WebJul 9, 2024 · Background: Stigma exsertion rate (SER) is a key determinant of outcrossing in hybrid rice seed production. A quantitative trait locus (QTL) for stigma exsertion rate in rice, qSER-7, has previously been detected on chromosome 7 by using a F 2 population derived from two indica cytoplasmic male sterility (CMS) maintainers, Huhan 1B and II-32B. WebL. pimpinellifolium represents the secondary category and varies greatly among accessions with respect to stigma exsertion and outcrossing rate (R ick et al. 1977). ... Stigma exsertion is a composite trait—the interplay between the length of the styles and anthers in a flower. Hence, variation in either stamen length or style length (or both ... cif 和fob

FLORAL CHARACTERISTICS AND HYBRID PERFORMANCE OF …

Stigma exsertion rate

WebJan 19, 2024 · Stigma exsertion, a key determinant of the rice mating system, greatly contributes to the application of heterosis in rice. As few QTLs have been fine mapped or cloned, the genetic architecture... WebSep 11, 2024 · The stigma exsertion rates were assessed at 12 days after MET and HT treatments. (c) Changes of stamen and pistil lengths in “Micro-Tom” tomato plants under HT and CK treatments. Each value is the mean ± SD (n = at least 3 biological replicates with 15 seedlings each).

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WebApr 7, 2024 · After closure of the glumes, the average seed setting rate of rice spikelets with exerted stigmas was 64%, which was much higher than that of the spikelets with non-exerted stigmas (15.7%) (Tian et al. 1990 ). WebJun 9, 2024 · Stigma exsertion rate (SER) is a key determinant for the outcrossing ability of male sterility lines (MSLs) in hybrid rice seed production. In the process of …

WebDec 12, 2024 · A total of 15 QTLs were identified for total stigma exsertion rate (TSE) which includes single and dual stigma exsertion distributed on chrm 2, 3, 4, 5, 6, 8, 11 and 12 through QTL mapping.... WebSep 21, 2024 · In hybrid rice seed production, cytoplasmic male-sterile rice lines with a high percentage of stigma exsertion are preferred to increase seed production by increasing the outcrossing rate due to the superiority of pollen receptivity …

WebJul 1, 2024 · The phenotypic variance explained by each QTL for the stigma exsertion rate ranged from 12.26 to 25.44%. For the SSE rate, three QTLs, qSSE5, qSSE10 and qSSE11, … WebJul 18, 2024 · The NIL ( qSE4DaS )-1 had increased exsertion rates of 22.14, 32.35, and 54.49% for single stigma exsertion rate (SSE), dual stigma exsertion rate (DSE), and total …

WebFeb 10, 2024 · Coping. A stigma is a negative attitude or idea about a mental, physical, or social feature of a person or group of people. 1 This implies that there is social …

WebJul 9, 2024 · Stigma exsertion rate (SER) is a key determinant of outcrossing in hybrid rice seed production. A quantitative trait locus (QTL) for stigma exsertion rate in rice, qSER-7, has previously been detected on chromosome 7 by using a F 2 population derived from two indica cytoplasmic male sterility (CMS) maintainers, Huhan 1B and II-32B. Results dhcpd static leaseWebJun 7, 2024 · Stigma exsertion rate (SER) is a trait related to outcrossing ability. Reconstruction of the high-SER trait is essential in the MSL breeding of rice. In previous … cif 外贸WebStigma definition, a mark of disgrace or infamy; a stain or reproach, as on one's reputation. See more. c++ if 或者WebSep 14, 2014 · They reported that stigma exsertion rate is a dominant trait and is controlled by one dominant gene. Taillebois and Guimaraes ( 1988) reported transferring the long stigmas of the wild species O. longistaminata to O. sativa (japonica and indica types) by successive backcrosses and pedigree selection and recurrent selection. dhcpd unknown leaseWebJun 7, 2024 · Stigma exsertion rate (SER) of 1- to 6-QTL lines. (A) Plant types in the 2QL-2, 4QL-2, and 6QL-2 lines and HJX74. Scale bar, 15 cm. (B) The phenotypes of stigma … cif 役職WebJun 1, 2015 · About 6% of the lines (97 out of 1,770) were selected from the 2014 floral screening and tested for repeatability in 2015. The 97 lines iii were grown in two replicates, and out of 97 lines, 17 (18%) were selected for hybrid wheat crossing. Heterosis in TAM F 2 populations College Station F 2 (CF 2) and Amarillo F 2 (AF 2 dhcpd stuck on dhcp offerWebJan 22, 2024 · The stigma effect addresses these unintended consequences. Consider three examples from history. In the 1960s, progressives sought to address racism by promoting … c++ if 或条件