Methods of sowing seeds

1. A method of sowing watermelon seeds, comprising:

seeding triploid watermelon seeds and watermelon pollinizer seeds in separate cells within a single seedling tray, wherein the triploid watermelon seeds produce plants bearing seedless watermelons and the pollinizer seeds produce plants bearing seeded watermelons, wherein the plants bearing seeded watermelons are not bred to have reduced competition to the plants bearing seedless watermelons, wherein reduced competition comprises smaller leaves than leaves grown from the plants bearing seedless watermelons.

2. The method of claim 1 , wherein the triploid watermelon seeds or the watermelon pollinizer seeds are seeded by hand in the seedling tray.

3. The method of claim 2 , wherein each of the triploid watermelon seeds and watermelon pollinizer seeds are seeded by hand in the seedling tray.

4. The method of claim 2 , further comprising using a mechanical seeder to seed at least a portion of the triploid watermelon seeds or the watermelon pollinizer seeds in the seedling tray.

5. The method of claim 1 , wherein the one or more of the triploid watermelon seeds and watermelon pollinizer seeds are seeded by a mechanical seeder in the single seedling tray.

6. The method of claim 1 , wherein the triploid watermelon seeds comprise one or more varieties of triploid watermelon seeds.

7. The method of claim 1 , wherein the watermelon pollinizer seeds comprise one or more varieties of watermelon pollinizer seeds.

8. The method of claim 1 , wherein the watermelon seeds are seeded at a ratio of triploid watermelon seeds to watermelon pollinizer seeds of about 5:1, 4:1, 3:1, or 2:1 in the single seedling tray.

9. The method of claim 1 , wherein the single seedling tray comprises a watermelon pollinizer seed in every second, third, fourth, fifth, or sixth cell.

10. The method of claim 1 , wherein the single seedling tray containing the triploid watermelon seeds and the watermelon pollinizer seeds has mirror image symmetry.

11. The method of claim 1 , further comprising seeding, by hand, triploid watermelon seeds and watermelon pollinizer seeds in separate cells within one or more additional seedling trays.

12. The method of claim 1 , further comprising growing the triploid watermelon seeds and watermelon pollinizer seeds in the single seedling tray for a preliminary growth period to produce seedless watermelon plants and watermelon pollinizer plants.

13. The method of claim 12 , wherein the preliminary growth period is about three to about eight weeks.

14. The method of claim 12 , further comprising transplanting the seedless watermelon plants and watermelon pollinizer plants in a field after the preliminary growth period.

15. The method of claim 14 , wherein the seedless watermelon plants are pollinated by the watermelon pollinizer plants.

16. The method of claim 12 , further comprising adding an equal amount of water to each cell of the single seedling tray at consistent intervals during the preliminary growing period.

17. The method of claim 12 , wherein the watermelon pollinizer plants develop into the plants bearing seeded watermelons, the seeded watermelons bearing seeds and having a moisture content approximately equal to the seedless watermelons.

18. The method of claim 12 , wherein the watermelon pollinizer plants grow at a faster rate than the triploid watermelon plants.

19. A sown seedling tray, comprising:

a seedling tray including a plurality of individual planting cells;

planting material arranged within the planting cells; and

one watermelon seed per cell, wherein the watermelon seed is a triploid watermelon seed or a pollinizer seed, the triploid watermelon seed producing a plant bearing a seedless watermelon and the pollinizer seed producing a plant bearing a seeded watermelon, wherein the plant bearing the seeded watermelon is not bred to have reduced competition for the production of triploid watermelons, wherein reduced competition comprises smaller leaves than leaves grown from the plant bearing the seedless watermelon.