Summer morning prevention of loofah break
The environment in which the sunshine duration is too long in summer is contrary to the growth habits of loofah, which is the main reason why summer loofahs have less female flowers and sit hard. Luffa is a short-day plant. The current sunshine duration is too long, which inhibits the flowering condition of loofah and causes poor flower bud differentiation and female flower reduction. Therefore, in summer loofah management, we must pay attention to shorten the sunshine time. Sun shade nets or grass baskets can be covered in the sheds. Coverage time should be before 8:00 in the morning.
At the same time, although loofah is resistant to heat and temperature, it is currently too high a greenhouse temperature, often above 40°C during the day and above 25°C at night, but it is not conducive to the growth of loofah. Especially if the night temperature is too high, the respiratory consumption will be greatly increased. The loofah plants are prone to prolonged growth and the stalks are weak, which in turn makes it easier to find problems. Therefore, in the management of summer loofah, it is necessary to strengthen the control of temperature so that it not only facilitates the growth of loofah, but also does not cause the night temperature to be too high. The temperature during the day can be controlled by measures such as ventilation and cooling, sunshade cooling, and water spray cooling to make it at 30°C~35°C. It is advisable to reduce the nighttime temperature to about 20°C to avoid excessive consumption of nutrients.
In addition, the fall is not timely, the spread is too small, but also easily lead to nutrient excess nutrient and difficult to sit melon. Therefore, the summer loofah needs to be strengthened. For loofah in the middle and late spring floods should be accompanied by picking melons and picking hearts in time; for the early summer growth of loofah in a timely manner while falling, while increasing the amplitude of falling, each falling vine is not less than 80 cm, maintain plant height It can be about 120 centimeters.
To promote loofah sitting melon can also be combined with hormone regulation. For the more summer loofah, plant growth regulators (such as ethephon, etc.) can be sprayed earlier to promote female flower differentiation and increase flowering rate. For prosperous plants, control can be sprayed with 5% chlorcholine 2000 times solution or 25% auxin 750 times solution and so on.
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