When an apricot tree is usually bigger, it is estimated to bear more than 10,000 flowers per year, and when it bears flowers, they fall before they become fruit or the fruit also falls from the fig tree while they are still small or before they are mature (two to three months before pollination _After Full Bloom (AFB) This means there are about 5 factors that may contribute.
But also in terms of fruit dropping, there are about 3 phases of fruit drop, which is the initial drop when the fruit is still young (within three weeks to a month after AFB), due to the limitations of flower pollination. Here it is recommended that the farmer keep bees by placing hives near the fields to encourage flower pollination or mix Hass (90%) and Fuerte (10%) apricot trees to increase the level of interaction _Cross Pollination_ and increase the number of fig fruit formation.
The second phase of fruit drop is during the month of July-September (at least within three months after AFB) where it is caused by lack of water and nutrients in the soil, the farmer is advised to put fertilizer, mulch and water during this dry season.
The third phase is the pre-harvest period, where the fruits are large and almost ready to be harvested but fall and cause great losses to the farmer. increasing the feeling of fruits ripening prematurely... Ethylene air is often found from fruits such as ripe bananas or apples that lead to fruits that are nearby such as avocados, mangoes, tomatoes etc. ripening quickly.
After seeing those three phases, we can return to the 5 main reasons that lead to apricot flowers or fruit falling early on the fig tree as follows:
1. Natural reason, when a tree gets more flowers and even more fruits than its capacity, it leads to the occurrence of a natural step to drop _Natural Flower Abort or Natural Fruit Drop_ as a natural method to find the balance (balance) of the plant against the fruits that you can carry . There is no cure or medicine to prevent this from happening!
2. Environmental/ecological factors and weather _Climatic and Meteorological conditions._ Here, the area where avocados are produced is very hot above 28°C and the relative humidity drops, strong wind, and lack of light enough leads to the tree losing water due to weather stress and thus wilting or dropping flowers. Therefore, it is important to put water and mulch on the avocados and plant trees to protect against strong winds.
3. Reasons for soil health _Phytotechnical interventions._ Here or in the area where avocados are produced, if there is too much water in the ground, it causes the roots to rot due to the fungus _phytophthora cinammomi_ and thus the tree fails to bear fruit and even withers flowers, as well as the soil being overwhelmed by the level of salt or salt leads to endangering the health of the plant and dropping fruits or flowers.
4. The cause of poor nutrition of the plant _Nutritinal Imbalance_ or the health of the soil in the field can contribute to the tree dropping flowers or fruits. When the soil lacks important nutrients such as Calcium, Zinc, Copper, Boron, Magnesium and Molybdenum. Avocados need different nutrients for their well-being and growth, each type of nutrient has its function in each stage of the growth of the tree itself, for example for the roots, the growth of stems and branches, leaves and even the bearing of flowers and fruits for abundance If your land does not have soil with enough nutrients, you can do fertilization after knowing what kind of nutrients are lacking. That is why it is important to measure the health of the soil, which will help you plan your preparations in advance.
5. Biological factors _Biotic Factors_ For example, the presence of pests such as fruit flies, fungi or bacteria attacking flowers during pollination causes flowers and even fruits to fall down. Here there are also other reasons such as competition for food between fruits and leaves or leaves and flowers where when the nutrition of the plant is not enough in the young fruits the seeds leave _embryo abortion_ due to the seeds lacking complete nutrition.
Advice, always try to monitor and examine your plants so that you can identify the challenges in your farm and take early action based on the professional advice you will receive.