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| Causes of abnormal seedling. |
Causes of abnormal seedlings
1.
A. Age immatured seed
B. Unfavorable storage condition of the seed.
C. Essential structure become missing.
2. Disease infection.
3. Mechanical injury – caused by harvesting, threshing, cleaning and transport purposes.
4. Insect injury – caused in field or storage time. It may be externally or internally.
5. Chemical treatment – different type of chemical use, such as 2,4 – D Furadan.
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