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The genotype × environment interaction (GEI) have direct impact on stability of genotypes grown under varied environmental conditions. In the present study, the additive main effects and multiplicative interaction (AMMI) model was employed to investigate GEI, stability and adaptation of a worldwide germplasm of safflower (Carthamus tinctorius L.) for seed and oil yield. The experiments were conducted...
Taro (Colocasia esculenta (L.) Schott) is an important root crop and vegetable across tropics and subtropics of the world. Conventional breeding of taro is hindered due to asynchrony in flowering owing to functional, structural barriers associated with flowering behaviour. An attempt was made to tackle asynchronous behaviour in taro by preserving pollen. The present study was therefore undertaken...
Global efforts are underway to develop staple crops with improved levels of provitamin A carotenoids to help combat dietary vitamin A deficiency, which is widespread among resource-poor farmers in the developing world. As a staple crop for more than 500 million people in sub-Saharan Africa, cassava (Manihot esculenta Crantz) enriched with provitamin A carotenoids could have immense nutritional impact...
Quantitative Trait Loci (QTL) associated with physiological resistance to Fusarium Root Rot (FRR) and root architecture traits were mapped in a black bean (Phaseolus vulgaris L.) recombinant inbred line (RIL) population. The parents of this population were the landrace Puebla 152 and the cultivar Zorro that differed in root architecture traits. The population was screened against FRR strain FSP-3...
This study was aimed to evaluate genetic diversity for drought tolerance and persistency of Iranian and foreign germplasm of orchardgrass. Thirty six genotypes of orchardgrass were clonally propagated and grown in the field under two moisture environments (normal and drought stress) for 3 years (2013–2015). High genotypic variation was observed among genotypes for all the measured traits, indicating...
Erysiphe pisi, Erysiphe baeumleri and Erysiphe trifolii cause powdery mildew disease in garden pea. So far, three genes er1, er2 and Er3 imparting resistance against E. pisi have been reported in pea. The E. pisi isolate used in this study, Ep01 (GenBank Accession No. KM096758) was identified using the internal transcribed spacer sequence of the ribosomal DNA region. Testing of garden pea germplasm...
The host range of Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew, includes many taxa of the Cucurbitaceae. Little is known of the interactions of this pathogen with wild and weedy Cucurbita species, the genus encompassing two important crops, pumpkin and squash. Interactions of 97 Cucurbita spp. accessions, mostly wild and weedy forms representing 10 species, with 11 P. cubensis...
Reducing oxalate content of spinach is a major breeding objective. The aim of this research was to conduct association analysis and identify SNP markers associated with oxalate concentration in spinach germplasm. A total of 310 spinach genotypes, including 300 USDA germplasm accessions and ten commercial cultivars, were used for the association analysis of oxalate concentration. Genotyping by sequencing...
Anthocyanins are the major pigments responsible for purple coloration in flowers, fruits and leaves, and the genes involved in their biosynthetic pathway have been identified in many plants. A purple-leaf Chinese cabbage (Brassica rapa L. ssp. pekinensis) was bred by interspecies crossing between Chinese cabbage and purple-leaf mustard [Brassica juncea (L.) Coss. var. foliosa L. H. Bailey]. In this...
Cultivated carrots can be divided into eastern and western types. Much evidence supports the idea that eastern carrots originated in Central Asia, while varying opinions exist on the origin of western carrots, especially orange varieties, and the origin of Chinese orange carrots remains unclear. In this study, we used 119 carrot accessions to investigate the relationship between Chinese carrots and...
Bolting or flowering time affects productivity of the leafy vegetable Chinese cabbage (Brassica rapa ssp. pekinensis) and also the time required for its breeding programs. Understanding the bolting process at the molecular level and identifying the genes involved will provide valuable tools for genetic engineering and development of functional markers. To achieve these goals, microarray analyses using...
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