Losing interest / going to fruit due to physical factors
During the rainy season with high rainfall as it is today can be the main cause of the fall of your fruit tree flower. In wet conditions, benangsari stick to each other because it is bound by water, so it can not meet and fertilize the pistil's head. Conversely in the dry season, extreme hot temperatures accompanied by low humidity effects during the day, can also be a factor causing the fall of the fruit / flower.
Solution: use plastic cover on flower.Losing interest / will fruit due to chemical physiological factors
When the plant enters the generative phase (flowering and fruiting) the nutrients that are needed are P and K. Nutrient content, especially nutrient phosphate (P) and potassium (potassium = K) insufficient in the soil or tabulampot planting medium can be a contributing factor the main flower loss and will fruit or fruit nipple that is experiencing the enlargement process. Flower loss and fruit will be more severe if the supply of water from the soil to the plant is also limited.
Solution: Apply potassium fertilizer, either in single form (Potassium Chloride, KCl) or in compound form (Potassium nitrate, KNO3). Keep water intake.Losing interest due to biological factors
Post-flower persariance (meeting benangsari and pistil) should be followed by the formation of fruit will that will develop into a perfect fruit. But often the fruit will occur due to fruit attacked by several types of pests and fruit diseases. These pests generally attack at the time of the formation of flower petals to the formation of fruit will after flower phases. Types of pests, such as caterpillars, will feed on newly formed fruits, while the borer will suck the newly formed fruit cell fluids. As for the pests as well as various types of fluid-sucking infestation bugs that secrete a type of honey favored by ants.
Solution: use both plant and chemical pesticides and fungicides as well as pheromone feeds.Losing interest due to other factors
Causes of flowering: the absence of pollinating insects so that the stamens can not pollinate the pistil head, the absence of wind as the pollination medium.
Solution: do artificial pollination with the help of human labor.
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