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Stalk Rots

author(s) Pande, S - Karunakar, R I
from International Crops Research Institute for the Semi-Arid Tropics (ICRISAT)
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themes
regions
  • Northern America
  • Americas
  • World
citation

Pande, S and Karunakar, R I (1992) Stalk Rots. In: International Workshop on Sorghum and millets diseases: a second world review, Mar 1992, ICRISAT Patancheru
Stalk Rots

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Abstract

Stalk rots of sorghum are diseases of great destructive potential Rots caused by the fungi Macrophomina phaseolina and Fusarium moniliforme appear to be widely distributed stalk diseases of sorghum. Recently a vascular pathogen, Acremonium strictum that causes leaf and stalk death, has become important on sorghum. Improved high-yielding varieties tend to be highly susceptible to these diseases. Losses vary from season to season and region to region. Grain losses exceeding 15% are not uncommon; as much as 60% can occur. Several fungi and bacteria are often associated in diseased roots and stalks, suggesting that stalk rot diseases are of complex etiology. Etiology and host resistance to charcoal rot, fusarium root and stalk rot, and acremonium wilt are discussed

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