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When egg cells are fertilized from the same plant is called self-pollination. Self-pollinators include certain types of fruit trees. Other types of fruit trees require two for pollination.
Two animals that help plant and trees with either pollination or seed dispersal includes birds and insects.
20ft apart
whats pollination problems with fruit trees
200 meters
generally 5 meters.
You will need two apple trees, but for best fruit production you should use two different varieties (see pollinization chart at http://www.acnursery.com/apple_pollinizer.pdf).
The spacing for dwarf bing cherry tree is 10-20 feet. Also most sweet cherry (Bing) are not self pollinating they need a different cherry tree like black tratarian, van, republican, Stella nearby.
I plant them at least 14' apart, a bit more is better.
about a little more than half a meter
It depends on the variety. Many varieties of fruit tree are self-sterile, meaning that they cannot pollinate with themselves. Due to grafting, if you buy two trees of the same variety, they are genetically identical- basically they are the same tree. So, you need a different variety of the same fruit in order for cross pollination to occur. Some trees are more genetically compatible for cross pollination, which is why in nursery catalogs, different trees are said to be good pollinators. Commercial orchards often plant crab-apple trees in with the apples to ensure good pollination.
Yes