Answer:
Method 1 : Self-Pollination
Peas are naturally self-pollinating and self-pollination happens before the flowers open.
In self-pollination, pollen grains from anthers on one plant are transferred to stigmas of flowers on the same plant.
Method 2 : Cross -pollination
Peas can be cross-pollinated by hand, simply by ;
opening the flower buds to remove their pollen-producing stamen which prevents self-pollination and dusting the pollen from one plant to the stigma of another.
Step-by-step explanation: