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辣椒在栽培过程中常常会遇到落叶,对辣椒生产有很大影响。那么怎样控制或减少辣椒落叶呢?根据河口镇蔬菜老农的经验,主要是控制生理性和病害两个方面的发生。 一、落叶原因 1、生理性落叶 辣椒生理性落叶的原因很多,但主要是;①播种太密,苗细弱拥挤,阳光照射不足;②温床湿度过大;③一睛一雨,温湿度变化太大;④基肥施用过于集中,精肥太多;⑤追肥次数多,浓度过大;⑥追肥灌水之后紧接着下大雨。以致造成辣椒生理活动受阻,引起落叶。
Pepper often encountered in the cultivation of deciduous leaves, pepper production has a great impact. So how to control or reduce pepper leaves it? According to the experience of farmers in Hekou town vegetables, mainly to control the occurrence of both physiological and disease. First, the deciduous causes 1, physiological deciduous pepper physiological deciduous for many reasons, but mainly; ① sowing too dense, weak seedlings crowded, inadequate sun exposure; ② hotbed excessive humidity; ③ a rain, temperature and humidity changes too Large; ④ too concentrated on the use of basal fertilizer, too much refined fertilizer; ⑤ topdressing times, the concentration is too large; ⑥ top-level irrigation immediately followed by heavy rain. As a result, the physical activity of the peppers is blocked, causing deciduous leaves.