In an agricultural field there is a prevalance of the following organisms and crop diseases which are affecting the crop yield badly:
a) White rust
b) Leaf and strips rust
dc) Black rot
d) Jassids
Recommend the varieties of crops the farmers should grow to get rid of the existing problem and thus improve the crop yeild

Explanation

To address the problem of crop diseases and pests affecting yield in the agricultural field, we can recommend specific hybrid varieties of crops that are resistant to the mentioned diseases. Here’s a step-by-step solution:

### Step 1: Identify the Diseases and Pests
The first step is to identify the diseases and pests affecting the crops:
- **White Rust**
- **Leaf and Strip Rust**
- **Black Rot**
- **Jassids**
...