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Major Diseases Affecting Rubber and Its Control Measures Adopted by Small Growers of Vaikom Taluk
The major diseases affecting rubber in Vaikom taluk were powdery mildew, pink and abnormal leaf fall. Powdery mildew was more serious and infected about 99 per cent of the holdings surveyed. Dusting of sulphur at the time of refoliation can control the spread of the disease. Use of the chemical at t...
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| 格式: | Ph.D Thesis |
| 语言: | English |
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Vellayani
Department of Plantation Crops and Spices, College of Agriculture
1992
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