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一、番茄落花的原因生产上番茄落花现象比较普遍,对早熟及丰产影响很大。落花主要是指由于外界环境条件不适宜或栽培管理不当引起花柄离层形成而导致花的脱落现象。1.栽培管理方面的原因:由于土壤营养及水分不足、根系发育不良、定植伤根过多、光照不足、整枝打杈不及时、植株茎叶徒长或各穗果实生长不平衡造成营养物质供应不协调等引起的落花2.气象要素方面的原因:主要是气温过低或过高而影响花粉的发芽率及花粉管的伸长,导致生殖发育障碍引起的落花。以上两方面原因不能截然分开,有时相互作用,互为因果,应根据不同情况,具体分析,以综合防治为基础,突出某项防治措施。
First, the reasons for falling tomatoes Tomato falling flowers on the phenomenon of more common, very significant impact on early maturity and high yield. Fall is mainly due to the external environment is not suitable for environmental conditions or improper cultivation and management led to the formation of flowers from the petiole off the phenomenon of flowers. 1. Cultivation management reasons: due to soil nutrition and lack of water, poor root growth, rooting too much, inadequate lighting, pruning twigs are not timely, plant stems and leaves spike or fruit growth imbalance caused by the supply of nutrients is not Coordination, etc. caused by falling 2. Meteorological factors: the main is the temperature is too low or too high and affect the pollen germination rate and elongation of the pollen tube, leading to reproductive and development disorders caused by the falling flowers. The above two reasons can not be completely separated, sometimes interacting with each other, and should be based on different situations and specific analyzes. Based on comprehensive prevention and control, we should highlight some prevention and control measures.