Date: 25 Jan 2021
Healthy Plants: Q&A from Mr Booster
How to get Canistel tree to produce
without dropping flowers and fruit
Q: My Canistel tree is 3 1/2 years old and is growing very well, see the
picture below. It gets hundreds of pea sized "berries" but then they fall off. No
canistel fruit. What's wrong?
A: You have such a nice looking tree, it is a shame you can't get
any fruit to ripen.
In our experience, Pouteria trees dropping fruit prematurely is a very common problem.
There may be one of the following reasons, or a combination of them:
- Cold winters may affect production, and while Canistel is generally
pretty hardy tropical plant that can easily withstand short periods of chill, the
fruit may never form properly if it had a cold winter.
- Lack of water. Canistel tree is pretty drought tolerant, but for the
proper production cycle it needs regular irrigation. Especially during hot
summer.
- The tree may be not strong enough; young trees drop fruit very often when
they don't have enough "fruiting energy" built up in their system.
Your tree looks well established and vigorous, however, flower/fruit drop
is often a sign of insufficient nutrients of particular kind, usually Boron
(B) and/or Molybdenum (Mo): either when a tree is too young and not strong
enough, or because of poor soils and lack of necessary elements.
Here is what can be done, considering you live in a warm, frost-free
climate.
1. Provide regular fertilizing program. We recommend liquid
fertilizers Sunshine Boosters that are safe to use with every watering and year
around. It is beneficial to switch plants from traditional "slow-release"
fertilizer to the liquid one because it makes a huge difference in plant growth
and flower/fruit quality and quantity. See also:
- Why liquid fertilizers are better than dry
- Article about benefits of liquid fertilizers.
Use this plant food for your Canistel tree:
SUNSHINE C-Cibus - Crop Nutrition Booster
2. Apply micro-element remedies that are very effective for
improving fruit production, especially when flower or fruit drop occurs:
SUNSHINE Honey - promotes more efficient blossoming and pollination, makes
flowers bigger and reduces bud drop.
SUNSHINE SuperFood - improves plant vigor and quality and size of
flowers
These are all natural, eco-friendly supplements that work great for fruit
trees and other edibles.
