Aside from diseases, other constraint like non-germinability of saved seeds by farmers who plant open-pollinated varieties is also being encountered. Since papaya producer usually grow the crop from seed, agronomic advisers encourage purchasing commercial seeds, many farmers still rely on the use of open-pollinated seeds that were saved from their previous crops. these were usually taken from ripe fruits of papaya trees grown in the farmer's papaya plantations in the rural areas in the Philippines.