Loofah burnt flower has always been a hazard of loofah cultivation, because loofah burnt flower directly affects the sales of loofah, and it is also a matter that growers want to avoid. Different symptoms have different treatment methods. Xiaobian will introduce you several times. A common solution to the symptoms of loofah burnt flowers:
1. With the decay of the flower, the stigma of the flower appears black rot.
This may be due to the lack of factors such as boron and calcium in the soil, and also related to poor root absorption or uncoordinated water supply.
Foliar application of foliar fertilizer containing elements such as boron and calcium, such as green Fenwei No. 3 or No. 2, capped calcium, calcium nitrate, etc., can also be applied to some calcium fertilizers such as Norwegian calcium nitrate, and must pay attention to Raising roots and enhancing the absorption capacity of roots can increase the application of humic acid and microbial fertilizers, or apply rapid absorption, or add one of the drugs such as methyl thiophanate, carbendazim, ethylphosphonium, aluminum, manganese and zinc. Rooting agent rooting, each plant is about 0.25 kg.
2, the edge of the petals appear dry, dry (different from water burnt flowers), the entire petals are not fresh.
Condition analysis: This may be a symptom of the disease on the flower. In the case of low light, it occurs heavier, especially after a cloudy day.
It can be sprayed with drugs such as methyl thiophanate or Dasheng or Shi Baogong to reduce the occurrence of diseases.
3, from the edge of the petal began to appear watery, severely, the petals appear dripping symptoms, sometimes smelly, sometimes there is no white mold.
The case of odorous but not long hair may be bacterial soft rot, which may be flower rot or plague, both of which are heavier in the case of high temperature and high humidity.
Bacterial soft rot can be sprayed with streptomycin, neomycin, or copper preparations such as chlorpyrifos or crown bacillus. Flower rot and plague can be sprayed with sera, Kejia, Anke, Redomier, etc., or some agents can be added to the anthers.
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