Reasons and Control Methods for Pepper Flower and Fruit Drop
This article focuses on the experience with pepper cultivation, the reasons for pepper flower and fruit drop, and their control methods. Please refer to the detailed introduction below.
I. Reasons for Flower and Fruit Drop
(1) Malnutrition. Due to excessive planting density or excessive application of nitrogen fertilizer, the pepper plant grows too rapidly, causing an imbalance between its vegetative and reproductive growth, leading to insufficient nutrition for the flowers and fruits, resulting in drop.
(2) Unfavorable environmental conditions. When the greenhouse has poor ventilation and high humidity, the pepper flowers cannot be pollinated normally and will drop.
(3) Pest and disease damage. Diseases such as pepper virus disease, (T-J) disease, and leaf blight can easily cause flower and fruit drop. Fruit borers like the tobacco budworm and cotton bollworm can also cause fruit drop.
II. Methods to Preserve Flowers and Fruits
Strengthening cultivation management mainly involves cultivating strong seedlings, timely transplanting, reasonable spacing, and scientific fertilization. After transplanting, it is important to ventilate and reduce humidity, keeping the daytime temperature in the greenhouse at 25°C to 28°C and the nighttime temperature at 15°C to 18°C, with a minimum of 15°C during the flowering period. It is recommended to water under the film in the greenhouse and avoid excessive irrigation. Through scientific cultivation, the plant's resistance to adversity can be improved. Pay attention to the prevention and control of pests and diseases, and the application of pepper strong fruit setter can enhance the plant's resistance to pests and diseases. (Author: Yang Congsheng, Cheng Hong)
Related information: The main reasons for pepper yield reduction are flower, leaf, and fruit drop. The external factors causing this phenomenon are the plant's weak resistance to interference (such as exposure to extreme sunlight, drought, strong winds, etc.), while the internal factors include unreasonable nutrient matching, insufficient water supply, poor parent plant mental state, and poor fruit development.
The above provides a comprehensive introduction to the reasons and control methods for pepper flower and fruit drop, hoping to bring some knowledge about green plants to green plant enthusiasts.