ÃÞ »¨ ѧ ±¨ Cotton Science 2010£¬22£¨4£©£º381-384
Discrimination of Causal Factor and Translated Names for Cotton Red Leaf Abstract£ºCotton red leaf is a kind of physiological premature senescence phenomenon in cotton, which occurred in most of cotton plant countries in the world. In history, there were many hypotheses put forward on its causes, such as: 1. insect damage hypothesis; 2. infectious disease hypothesis; 3. hypothesis of imbalanced minerals; 4. improper soil, climate and farming condition hypothesis. With the development of research, the first two hypotheses were denied. The third hypothesis have wide contents, it can hardly give a satisfied answer to the disease cause. The fourth hypothesis played a dominate role for a long time, so people thought lack of potassium was the main cause factor. Recent years, our research results indicated disorder ratio of sink and source (mainly the ratio of bolls and leaves) was the main cause of cotton red leaf. The disease common English names are red leaf disease, red leaf blight. According to the analysis of documents, the bronze wilt of cotton that occurred in US is likely to be red leaf.
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