نتایج جستجو برای: potato tuberworm

تعداد نتایج: 21750  

2005
Joseph J. Coombs David S. Douches Susannah G. Cooper Walter L. Pett

Colorado potato beetle (Leptinotarsa decemlineata Say) is the leading insect pest of potato (Solanum tuberosum L.) in northern latitudes. Host plant resistance is an important tool in an integrated pest management program for controlling insect pests. Field studies were conducted to compare natural host plant resistance mechanisms (glandular trichomes and Solanum chacoense Bitter-derived resist...

2014
Hae-Ryun Kwak Mi-Kyeong Kim Jun-Chul Shin Ye-Ji Lee Jang-Kyun Seo Hyeong-Un Lee Mi-Nam Jung Sun-Hyung Kim Hong-Soo Choi

Sweet potato is grown extensively from tropical to temperate regions and is an important food crop worldwide. In this study, we established detection methods for 17 major sweet potato viruses using single and multiplex RT-PCR assays. To investigate the current incidence of viral diseases, we collected 154 samples of various sweet potato cultivars showing virus-like symptoms from 40 fields in 10...

2000
Risto Honkanen Ville Leppänen Martti Penttonen

2014
Amir Hameed Zafar Iqbal Shaheen Asad Shahid Mansoor

Viral diseases have been a major limiting factor threating sustainable potato (Solanum tuberosum L.) production in Pakistan. Surveys were conducted to serologically quantify the incidence of RNA viruses infecting potato; Potato virus X (PVX), Potato virus Y (PVY), Potato virus S (PVS), Potato virus A (PVA), Potato virus M (PVM) and Potato leaf roll virus (PLRV) in two major potato cultivars (De...

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