Host Responses of Peanut Witches’ Broom Disease
Other Title
落花生簇葉病之寄主植物反應
Journal
中華農業研究
Journal Volume
34
Journal Issue
4
Pages
464-468
Date Issued
1985-12-10
Date
1985-12-10
Author(s)
I-lang Yang
楊一郎
Abstract
The results confirmed that the peanut witches’ broom disease (Pn WB) could be transmitted to peanut, tomato, potato, alyce clover, purple bean, globe amaranth, periwinkle, I pomoea obscura and I pomoea triloba by insect vector Orosius orientalis, but no infection was found in sweet potato, loofah, cucumber, strawberry, water spinach, balsam pear, paulownia, creeping wood-sorral, chinese morning-glory, I pomoea pescaprae, Chenopodium amaranticolor and C. quinoa. The PnWB affected plants developed typical witches’ broom symptoms, and the symptoms of PnWB on tomato plants resembled those of tomato big bud or witches’ broom disease. The sieve elements of PnWB infected plants were stained blue with Dienes’ stain in sections of phloem tissues by light microscopic observation, but no blue taming reaction was found in the healthy ones. The fact indicated the presence of mycoplasma-like organism in the infected plants.
落花生簇葉病可經南斑葉蟬（Orosius orientalis Matsumura ）媒介傳染而感染落花生、馬鈴薯、草莓、山土豆、賽芻豆、千日紅、長春草，細花野牽牛及紅花牽牛。惟不能感染甘藷、絲瓜、胡瓜、草莓、甕菜、苦瓜、泡桐、酢醬草、白花牽牛、馬麻藤、紅藜及白藜。感染本病之病株顯現綠化花及異常分蘗之典型叢生病徵。在蕃茄罹病株之病徵與過去報告之蕃茄”big bud’或’witehes’ broom’ 相近似。本病病株篩管組織經Dienes’ stain 染色觀察，可呈現專一性藍色反應，健株植物則無此反應，此項結果證實各罹病株之擬菌質病原之存在。
Publisher
農業試驗所
Type
journal article
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