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Association of a Viroid with Tapping Panel Dryness of Hevea brasiliensis and its Molecular Characterization
Thomson Abraham - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Association of a Viroid with Tapping Panel Dryness of Hevea brasiliensis and its Molecular Characterization
ผู้แต่ง / หัวหน้าโครงการ (EN): Thomson Abraham
บทคัดย่อ (EN): Tapping panel dryness (TPD) syndrome is a serious malady of rubber (Hevea brasiliensis) with unknown etiology occurring in all rubber growing areas resulting in partial to complete drying of tapping panel. The possibility of association of viroid with TPD syndrome was investigated in the present study. An infectious LMW RNA was detected from different samples drawn from varying ages of trees from different locations. The consistency in the presence of LMW RNA over three years of observation in TPD affected trees and its absence in majority of the healthy ones points to the association of the LMW RNA with TPD. About 30 per cent of the apparently healthy trees which may be symptomless carriers also showed presence of LMW RNA. Such trees later showed TPD symptoms. Presence of bands in apparently healthy samples indicates that the biotic agent can be detected in the tree much before the TPD symptoms are visible. The PCR of the cDNA using viroid specific primers consistently amplified products in the range of viroids in R-PAGE positive TPD affected samples but was absent in R-PAGE negative apparently healthy samples. The amplified LMW RNA showed 98% sequence homology to Potato Spindle Tuber Viroid (PSTVd) on BLAST analysis.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): viroid
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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Association of a Viroid with Tapping Panel Dryness of Hevea brasiliensis and its Molecular Characterization
Thomson Abraham
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
Inheritance of Tapping Panel Dryness (TPD) in a Full-Sib Population of Hevea brasiliensis Transcriptome Analyses Reveal Molecular Mechanism Underlying Tapping Panel Dryness of Rubber Tree (Hevea brasiliensis) Phloic Rays in Hevea brasiliensis with Reference to Tapping Panel Dryness and Yield Stimulation Rubber Particles Proteins and Sensitivity to the Tapping Panel Dryness at Hevea brasiliensis Sieve Tube Characteristics in Healthy and TPD Affected Trees of Hevea brasiliensis THE SITUATION OF TAPPING PANEL DRYNESS IN UPPER NORTHEAST OF THAILAND The dynamic system that exists in the sieve tubes of TPD affected trees of Hevea brasiliensis cDNA-AFLP ANALYSIS REVEAIS DIFFERENTIAL GENE EXPRESSION IN BPM 24 CLONE OF HEVEA BRASILIENSIS EXHIBITING TAPPING PANEL DRYNESS (TPD) MOLECULAR CHARACTERIZATION OF SOMATIC EMBRYOGENESIS RECEPTOR KINASE (SERK) GENE FROM HEVEA BRASILIENSIS (MUELL. ARG.) Seasonal Variation and Evolution of Some Latex Physiological Parameters of Hevea brasiliensis over Consecutive Tapping Years
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