|Title:||北部地區甘藷基腐病罹病情形調查||Other Titles:||Survey of Sweet Potato Foot Rot Disease in Northern Taiwan||Authors:||張為斌
|Keywords:||甘藷;基腐病;罹病率;sweet potato;foot rot disease;Disease disease||Issue Date:||Oct-2016||Publisher:||農業試驗所||Journal Issue:||103||Start page/Pages:||13-16||Source:||雜糧作物試驗研究年報||Abstract:||
Foot rot of sweet potato (Phomopsis destruens) it cause the vine necrosis, leaves yellowing and sweet potato yield reduce. Jinshan and Wanli are the major sweet potato production areas of northern Taiwan. This disease was found in northern Taiwan these years. According to the review, this disease mainly spread by wind, rain and seedling of sweet potato. The serious severity is up to 80 %. This research was sampling sweet potato seedlings from Wanli and Jinshan District. Sweet potato seedlings was planted virgin land which never cultivated sweet potato in Taoyuan District Agricultural Research and Extension Station (TYDARES). We also track each batch of seedlings planted in Jinshan District or Wanli District. The sweet potato planted in TYDARES severity is less than 2%, but severity is 4-46% in Jinshan and Wanli area. Seedling may not the only reason to spread the foot rot of sweet potato. In the investigation process can be found that the time incidence rate rise is beginning in mid-July.
|Appears in Collections:||作物組|
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