Viroids: New and Continuing Risks for Horticultural and Agricultural Crops

apsnet Wednesday, July 11, 2018 4:28:00 AM CEST | info [other]

Several years later, Fonseca et al. (13) discovered another new viroid in field-grown yellow Coleus in Brazil. Subsequent studies have shown that Coleus blumei viroid (CbVd) is widely distributed throughout the world and often symptomless (Fig. 6). There are at least three different species of CbVd,.......

ยึดมะพร้าวจากอินโดนีเซีย แหกกฎหมายลักลอบส่งไทย

thairath Wednesday, July 4, 2018 12:34:00 PM CEST | info

กรมวิชาการเกษตรยึดมะพร้าวจากอินโดนีเซีย ชี้ ผิดเงื่อนไขนำเข้าตามประกาศ พบแมลงศัตรูพืชมีชีวิต และต้นอ่อนงอก เร่งสั่งทำลายรวม 297.55 ตัน มูลค่ากว่า 3 ล้านบาท... นายสุวิทย์ ชัยเกียรติยศ อธิบดีกรมวิชาการเกษตร กล่าวว่า ประเทศไทยอนุญาตให้มีการนำเข้ามะพร้าวจาก 4 ประเทศ คือ มาเลเซีย เวียดนาม อินโดนีเซีย.......

Uprava z dodatnimi ukrepi proti širjenju viroidne zakrnelosti hmelja

Dnevnik Tuesday, March 19, 2019 5:42:00 PM CET | info [en] [other]

»Ključnega pomena za uspešnost ukrepov zatiranja je, da vsi hmeljarji na okuženem območju dosledno izvajajo predpisane ukrepe in tako preprečijo širjenje bolezni na svojem posestvu in na sosednja hmeljišča,« so v današnjem sporočilu za javnost poudarili na upravi....

Viruses, Vol. 10, Pages 570: Genome-Wide Transcriptomic Analysis Reveals Insights into the Response to Citrus bark cracking viroid (CBCVd) in Hop (Hum

mdpi Thursday, October 18, 2018 9:14:00 AM CEST | info [other]

Abstract Viroids are smallest known pathogen that consist of non-capsidated, single-stranded non-coding RNA replicons and they exploits host factors for their replication and propagation. The severe stunting disease caused by Citrus bark cracking viroid (CBCVd) is a serious threat, which spreads rapidly within hop gardens....

Viruses, Vol. 11, Pages 357: Reassessment of Viroid RNA Cytosine Methylation Status at the Single Nucleotide Level

mdpi Thursday, April 18, 2019 6:57:00 AM CEST | info [other]

Abstract Composed of a few hundreds of nucleotides, viroids are infectious, circular, non-protein coding RNAs able to usurp plant cellular enzymes and molecular machineries to replicate and move in their hosts. Several secondary and tertiary RNA structural motifs have been implicated in the viroid.......

兰州海关首次截获检疫性有害生物马铃薯纺锤块茎类病毒

kaixian Wednesday, April 17, 2019 6:05:00 AM CEST | info [en] [other]

兰州海关17日披露称，日前，在一批来自以色列的入境茄子种子中检出检疫性有害生物马铃薯纺锤块茎类病毒。图为兰州海关工作人员正在对入境种子进行抽检。 胡自强 摄. 中新网兰州4月17日电 (胡自强)兰州海关17日披露称，日前，在一批来自以色列的入境茄子种子中检出检疫性有害生物马铃薯纺锤块茎类病毒(Potatospindletuberviroid，PSTVd)。这是全国口岸首次在进境种子中检出该有害生物。兰州海关已按照相关检疫法规对该批种子作销毁处理。 马铃薯纺锤块茎类病毒是危害马铃薯生产的重要病原，可导致马铃薯种质急剧退化，块茎畸形，品质下降，造成严重的经济损失。此外，该有害生物还能侵染番茄、茄子.......

Viruses, Vol. 11, Pages 98: Viroid-infected Tomato and Capsicum Seed Shipments to Australia

mdpi Thursday, January 24, 2019 2:39:00 PM CET | info [other]

Abstract Pospiviroid species are transmitted through capsicum and tomato seeds. Trade in these seeds represents a route for the viroids to invade new regions, but the magnitude of this hazard has not been adequately investigated. Since 2012, tomato seed lots sent to Australia have been tested for.......