The objective of this research work is to solve the problem due iron deficiency in soybean crop. Iron chlorosis a widespread agricultural crop, especially alkaline and calcareous soils resulting complete crop failure. To eradicate problem, methodology adopted was conducted with factorial experimental design different doses (0, 2.5, 5 7.5 mgkg-1) FeDTPA 15 types soil categorized into low (L1-L5)...

This is the first report of chrysanthemum virus B (CVB) and chlorotic mottle viroid (CChMVd) on Chrysanthemum × morifolium cultivars, in South Africa. Samples were collected from plants showing vein clearing, mosaic chlorosis, Western Cape province. RNAtag-seq was applied indicated presence CVB all four samples co-infection with CChMVd one sample. The confirmed using RT-PCR Sanger sequencing.

Abstract During a survey conducted in June 2019, chlorosis symptoms were observed on lentil leaves field located at Relizane, Algeria. Based morphological and molecular identification, the pathogen was identified as Alternaria chlamydosporigena . A pathogenicity test carried out Koch's postulates verified fulfilled. To our best knowledge, this is first report of A. new worldwide.