Biotic and abiotic plant stress (e.g., frost, fungi, diseases) can significantly impact crop production. It is thus essential to detect such at an early stage before visual symptoms damage become apparent. To this end, paper proposes a novel deep learning method, called Spectral Convolution Channel Attention Network (SC-CAN), which exploits the difference in spectral responses of healthy stress...

In Mediterranean regions, the performance of durum wheat (Triticum turgidum L. var. Desf.) yield often varies due to significant genotype × environment interaction (GEI); therefore, stability is an important consideration in breeding programs. The aim this research was explore GEI pattern and 24 promising lines, selected by ICARDA several African countries (seven elites, four commercial varieti...

Diploid Aegilops umbellulata and Ae. comosa and their natural allotetraploid hybrids Ae. biuncialis and Ae. geniculata are important wild gene sources for wheat. With the aim of assisting in alien gene transfer, this study provides gene-based conserved orthologous set (COS) markers for the U and M genome chromosomes. Out of the 140 markers tested on a series of wheat-Aegilops chromosome introgr...

Durum wheat (Triticum turgidum subsp. durum) is mostly grown in Mediterranean type environments, characterized by unpredictable rainfall amounts and distribution, heat stress, prevalence of major diseases pests, all to be exacerbated with climate change. Pre-breeding efforts transgressing adaptive genes from wild relatives need strengthened overcome these abiotic biotic challenges. In this stud...

HEXAPLOID wheat normally exhibits homologous pairing, forming only bivalents at meiosis. However, in the absence of chromosome 5B, homoeologous as well as homologous pairing occurs ( SEARS and OKAMOTO 1958; RILEY and CHAPMAN 1958; RILEY and KEMPANNA 1963). In 5Bdeficient hybrids between wheat and related genera, the level of chromosome pairing is increaesd (RILEY, CHAPMAN and KIMBER 1959). In w...

The common wheat relative species are important germplasm for wheat breeding. In the present study, novel allelic variants at Glu-B3 locus were cloned to provide gene resources for wheat quality improvement. Four Glu-B3-locus specific primer sets LB1F/LB1R, LB2F/LB2R, LB3F/LB3R, and LB4F/LB4R were employed to isolate novel allelic variants of GluB3-1, GluB3-2, GluB3-3, and GluB3-4 from seven co...

A massive restructuring of chromosomes was observed during the production of a substitution of chromosome 68" from Triticum speltoides (Tausch) Gren. ex Richter for chromosome 6B of Chinese Spring wheat (Triticum aestivum L.). Deletions, translocations, ring chromosomes, dicentric chromosomes and a paracentric inversion were observed. Chromosome rearrangements occurred in both euchromatic and h...