نتایج جستجو برای: گلابی pyrus spp
تعداد نتایج: 52414 فیلتر نتایج به سال:
تولید شاخه‌چه‌های کوچک و پرآوری پائین آن‌ها در شرایط درون شیشه است. به منظور بهبود کیفیت شاخه‌چه‌های درون شیشه، اثر نمک‌های نیترات‌آمونیوم و کلرورکلسیم روی پایه‌های گلابی Q1 (Pyrus communis×P. ussuriensis Rehd.)، P. betulifolia و پایه بومی کنجونی (P. communis×P. ussuriensis Rehd.) در کنار شاهد دانهال درگزی در محیط گزینش شده QL مورد تحقیق قرار گرفت. نمک نیترات‌آمونیوم در غلظت‌های 25/6 (شاهد محیط...
Volatiles are essential substances that determine distinct fruit flavors and user preferences. However, the metabolic dynamic molecular modulation models regulate overall flavor generation during growth ripening still largely unclear for most species. To comprehensively analyze mechanism regulation of aroma accumulation component formation in Pyrus spp. ‘Panguxiang’ (‘Panguxiang’pear), this stu...
Genetic maps for two pear cultivars ‘Red Bartlett’ (Pyrus communis L.) and ‘Nanguo pear’ (Pyrus ussuriensis Maxim.) were constructed using SRAP molecular markers. The mapping population consists of 74 F1 individuals derived from the cross of a cultivar ‘Red Bartlett’ with good fruit quality as the female parent and a cultivar ‘Nanguopear’ with good cold tolerance as the male parent. Linkage map...
این پژوهش با هدف بررسی اثر عوامل محیطی بر تیپ‌های گیاهی در جنگل‌های ارسباران انجام شده است. برای درنظر گرفتن شرایط مختلف، نمونه‌برداری‌ها بر اساس واحدهای شکل زمین انجام شد و اندازه قطعاتنمونه مربعیشکل به روش حداقل سطح، 400 مترمربع تعیین شد. با توجه به واحدهای شکل زمین منطقه موردبررسی تعداد 27 قطعه‌نمونه برداشت شد. سپس با استفاده از نرم‌افزار PC-ORD و به کمک آنالیز خوشه‌ای پوشش گیاهی م...
Pear (Pyrus spp.) is one of the most important edible fruits belonging to family Rosaceae. DNA markers, molecular genetics and genomics, breeding pear have greatly progressed over last few decades. The development reliable such as simple sequence repeats single nucleotide polymorphisms, has allowed profiling accessions, assessment genetic diversity within species, analyses phylogenetic relation...
Fruit shape is one of the important quantitative traits in pear (Pyrus spp.) breeding program, thus genetic study related to fruit could be beneficial breeding. Quantitative trait loci (QTL) analysis was carried out using ‘Whangkeumbae’ (P. pyrifolia, round) × ‘Yali’ bretschneideri, pyriform) and high-resolution melting (HRM) markers were developed. The linkage map constructed single nucleotide...
We developed 22 SSRs by using 3 approaches, RAHM (random amplified hybridization microsatellites), 5’ anchored PCR methods and an enriched genomic library. Seventy of 22 SSRs could be successfully amplified for Pyrus spp., which showed highly polymorphic. Sixty Asian pear accessions from 6 Pyrus species were genetically identified by 9 SSR markers with a total of 133 putative alleles. The SSR m...
In this study, two halophilic bacterial strains isolated from saline habitats in Argentina grew in the presence of gas oil. They were identified as Halomonas spp. and Nesterenkonia sp. by 16S ribosomal RNA sequencing. Chemotaxis towards gas oil was observed in Halomonas spp. by using swimming assays.
We present a draft assembly of the genome of European pear (Pyrus communis) 'Bartlett'. Our assembly was developed employing second generation sequencing technology (Roche 454), from single-end, 2 kb, and 7 kb insert paired-end reads using Newbler (version 2.7). It contains 142,083 scaffolds greater than 499 bases (maximum scaffold length of 1.2 Mb) and covers a total of 577.3 Mb, representing ...
Rhizopus soft rot caused by Rhizopus stolonifer occurred on pears (Pyrus serotina) in the Jinju City Agricultural Products Wholesale Market in Korea from 2004 to 2005. The infection usually started from wounds due to cracking at harvest time. The lesions started as water-soaked, rapidly softened, then gradually expanded. The mycelia grew vigorously on the surface of the fruits and formed stolon...
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