A number of plants develop unique adaptive modifications to overcome the various environmental stress. These modifications include alteration of gross morphological features as well as anatomical structures. Some examples of anatomical changes are given: A. Loaf Anatomy of Nerium sp. (Fig. 8.1): The T.S. view of Nerium leaf shows the following layers of tissues: 1. Epidermis: Both upper and lower [...]
In this article we will discuss about the study of plant diseases. One of the important aspects of study of plant diseases is how to either cure the disease or prevent its recurrence. Before any cure can be recommended, the cause or in other words, the causal agency of the disease should be known—whether parasitic or non-parasitic. Plant diseases can [...]
In this article we will discuss about the forecasting of plant diseases. Forecasting of plant diseases is predicting the occurrence of disease in an epiphytotic form in a particular area. Plant diseases vary in incidence from season to season due to differences in the nature and amount of inoculum, environmental conditions, numbers and activity of vectors, and other factors which [...]