Blackleg development and tuber yield in relation to numbers of Erwinia carotovora subsp. atroseptica on seed potatoes.
作者： R. A. BAIN , M. C. M. PÉROMBELON , L. TSROR , A. NACHMIAS
DOI: 10.1111/J.1365-3059.1990.TB02483.X
关键词:
摘要: The relationship between number of viable cells Erwinia carotovora subsp. atroseptica on inoculated potato seed tubers and blackleg development was investigated in 2 years for five cultivars grown the contrasting climates Scotland Israel. Blackleg, to a lesser extent non-emergence, increased with higher numbers bacteria at planting. This also found several commercial stocks one cultivar naturally contaminated different E. atroseptica.The threshold necessary declined during growing season Pentland Crown comparison others. In general, yield linearly incidence there 0.8% reduction every 1 % 13 weeks after Yield loss positively related late season, whereas non-emergence poor.
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