Green bean cultivation techniques, management methods and common disease control
SummarySeason: both spring and autumn are suitable for planting; in spring it is best to choose between February and March, and in autumn it is best to choose between August and September. Sowing: divided into seedling raising and direct sowing; which method to use specifically needs to be decided according to the grower's own conditions. Weeding: during the growing period, timely weeding is needed, and manual weeding or chemical weeding can be used. Disinfection: during the growing period, timely soil disinfection is needed. For fields with more diseases, quicklime can be spread, and then plowing and mixing can be carried out.
Green beans are also often called “kidney beans” and are an ingredient with high nutritional value. Green beans also taste very good and are deeply loved by people. Now many people want to grow green beans, but before planting, presumably more people are concerned about its cultivation techniques. Let's take a look together below!
How to grow green beans
1. When are green beans planted during the year? In fact, green beans can be planted in both spring and autumn. If sowing in spring, it is suitable to choose between February and March, and if sowing in autumn, it is suitable to choose between August and September.
2. The sowing methods of green beans are generally divided into seedling raising and direct sowing. For seedling raising, first sow the seeds, and when the seedlings grow to about 2-3 true leaves, the green bean seedlings can be transplanted into the field. For direct sowing, sow the seeds in the field at a certain spacing, and 2-3 seeds can be chosen for sowing at each spot. Which of the two methods to choose depends on the grower's own conditions.
Green bean cultivation techniques and management methods
1. During the growing period, green beans need timely weeding. For fields with severe weed damage, manual weeding or chemical weeding can be used. For chemical weeding, herbicides such as Nongda and Kefuzong can be selected and sprayed in the empty land after the previous crop is harvested. One week after weeding, plowing and bed preparation can be carried out.
2. During the growing period, green beans need timely soil disinfection. For fields with more diseases, quicklime can be spread, and then plowing and mixing can be carried out.
Common diseases of green beans and their control
1. Gray mold is one of the common diseases of green beans. In its control, there are two methods: agricultural control and chemical control. Below we will analyze for everyone how to use these two methods.
Agricultural control: For protected cultivation, high-ridge planting should be adopted, plastic film mulching should be used, ventilation in the greenhouse should be strengthened, and humidity in the greenhouse should be reduced. Appropriately reduce density, timely remove diseased leaves and diseased pods, clear away diseased plant residues, and thoroughly destroy them.
Chemical control: In the field, attention should be paid to inspection, and when scattered disease spots are found, spray in time. For spraying, you can choose 50% Sumilex wettable powder 1500 times liquid, or 50% Iprodione wettable powder 1500 times liquid, or Kemeling wettable powder 600 times liquid, spraying once every 7d, for 3 consecutive sprays.
2. Anthracnose is not only the disease most easily attacking common vegetables, but also the most common disease of green beans. Its harm is very great. During control, first disinfect the seeds by soaking them in 200 times formaldehyde solution for 30min, then wash them clean, dry them, and sow.
Carry out crop rotation with non-legume crops for more than 2 years; choose high, dry terrain with good drainage and slightly sandy soil for cultivation. Collect seeds from disease-free pods. In the early stage of disease occurrence, you can use 75% chlorothalonil wettable powder 600 times liquid, or 50% thiophanate-methyl wettable powder 800 times liquid, or 1:1:240 Bordeaux mixture 50kg/667㎡ for spraying, spraying once every seven days; generally two sprays in total can control anthracnose well.
When planting green beans, a good time must be chosen. Generally, early spring and autumn are the best planting times. After planting green beans, management also needs to be strengthened, and timely control of pests, diseases and other aspects can ensure their growth.