Arrange the following landmark discoveries in the history of plant pathology in chronological order (from earliest to latest): 1. Discovery of the bacterial nature of Citrus Canker (by Clara Hasse). 2. Identification of the fungal nature of Wheat Rust (by Fontana and Persoon). 3. Discovery of the viral nature of Tobacco Mosaic Disease (by Ivanovsky/Beijerinck). 4. Discovery of Bordeaux mixture for controlling downy mildew (by Millardet). Select the correct sequence:

Options:

• A: 2 -> 3 -> 4 -> 1
• B: 4 -> 2 -> 1 -> 3
• C: 1 -> 2 -> 3 -> 4
• D: 2 -> 4 -> 3 -> 1

Related Practice Questions:

• Let $S_1$ and $S_2$ be two disjoint, non-empty convex sets in $\mathbb{R}^n$. Under which of the following conditions is there guaranteed to exist a hyperplane that strictly separates $S_1$ and $S_2$?
• Let the primal linear programming problem be: Maximize $Z = c^T x$ subject to $Ax \le b, x \ge 0$. If this primal problem has an unbounded optimal objective value, then which of the following statements is always true regarding its dual problem?
• Let $S = \{(x, y) \in \mathbb{R}^2 \mid x^2 + y^2 \le 9\}$ be a convex set in $\mathbb{R}^2$. The set of all extreme points of $S$ is given by:
• In a linear programming problem with $3$ independent equality constraints and $5$ variables (including slack/surplus variables), what is the maximum possible number of basic solutions?