biennial bearing


Also found in: Wikipedia.

biennial bearing

When a fruiting plant produces heavy and light crops in alternate years.
References in periodicals archive ?
Jim Arbury warns apple growers that their bumper crop this year might not be repeated if their trees suffer from biennial bearing, carrying a heavy crop one year and little or none the next.
Another solution to biennial bearing is that after the June dropwhich usually happens in July, when fruitlets fall from the trees), you should thin the fruits, removing at least half including the crowded, diseased and deformed and leaving only the best.
Arbury warns apple growers that their bumper crop might not be repeated next year if trees suffer from biennial bearing - carrying a heavy crop one year and little or none the next.
In truth, alternate or biennial bearing is a phenomenon that is common to nearly all fruit and nut trees, to one degree or another.
This improves the size and quality of those remaining and prevents biennial bearing, where a tree is stuck in a cycle of producing masses of fruit one year and then missing the next because it's so exhausted.
The trees are biennial bearing, which means the harvest is greater in alternate years.
This improves the size and quality of those remaining and prevents biennial bearing, where a tree gives masses of fruit one year and then misses the next because it's so exhausted.
If your apple and pear trees fruit some years and then don't for many more, it is often because the tree exhausts itself by over-cropping - known as biennial bearing.