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甘薯是旱作地区的重要作物,其中鲜食用甘薯的商品不仅要求食味好,薯形、薯皮色等外观也很重要。1975年起发现,在鲜食用甘薯块根表面常发生横纹状褪色痕及粗糙、裂纹等症状(带状粗皮症状),降低了商品价值,成为需解决的问题。对此,新海等(1980)曾在鹿儿岛县和宫崎县早熟甘薯栽培地区经调查报道,本症状类似锈裂症(Russet-crack)。在电镜下观察产生带状粗皮病的甘薯茎叶,可发现很多长820~940毫微米的杆状病毒
Sweet potato is an important crop in dryland areas, of which the fresh sweet potato products require not only good taste, potato-shaped, potato skin color appearance is also important. In 1975, it was found that there often occurred horizontal fade marks, rough and cracked symptoms (banded bark symptoms) on the surface of fresh-eating sweet potato root, which reduced the value of the commodity and became a problem to be solved. In this regard, Xinhai et al (1980) in Kagoshima Prefecture and Miyazaki early precocious sweet potato cultivation area survey reported that the symptoms similar to the rust cracking (Russet-crack). Observed under electron microscopy to produce banded bark disease of sweet potato stems and leaves, can be found in many long 820 ~ 940 nm baculovirus