Prevention and treatment of bitter gourd blight

(1) Symptoms and characteristics: The lesions on the stems are grayish-brown, with a long or irregular shape. They have small black spots and are sometimes cracked, and they show fluid flow when wet. Leaf lesions are large, nearly round or irregular, brown to gray-brown, with buns and black spots. If the melon suffers, it forms an irregular pitted spot, yellowish-brown, with a small black spot, and cracks and rots when severe.

(2) Incidence conditions: The temperature is 18-25°C, and the temperature is more than 85%. It is the most suitable condition for the occurrence of diseases. Therefore, the heavily populated or heavily watered, poorly ventilated and light-transparent lands are seriously affected.

(3) Control methods:

1 seed treatment. The seeds were sterilized and soaked in boiling water for 5-10 minutes.

2 rounds. Between 2-3 years of rotation with non-melon crops.

3 strengthen the cultivation and management. Formula fertilization, open cultivation to prevent accumulation of water, protect the place timely release.

4 implementation of chemical control. The commonly used agents are the following: 45% Tectron Suspension 800x, 50% Propionin WP 1000x, 70% Mancozeb Zinc Wettable 500x, 70% Thiophene Ling WP 600 times and so on. In addition, the shed can also be sprayed with 5% Garnett dust, 15 kg per hectare.

Industrial Laser Distance Sensor

Industrial Laser Distance Sensor, we also call it secondary development laser distance module, which support TTL level and CMOS. The laser range sensor can be widely used in professional surveying, mapping, construction, robots, hunting arrows, industrial monitoring and automated measurement applications in electricity, transportation, etc. Our laser distance module supports data communication with RS232, USB with a simple adapter. The results of laser distance sensor can be evaluated with Arduino. We are always looking ahead, hoping we can make every measurement simple in life!

Parameters of M703A:

Laser Distance RS232,Arduino Distance Module,Laser Module RS232

Chengdu JRT Meter Technology Co., Ltd , https://www.rangingsensor.com