Sunlight greenhouse vegetables may be infected by root knot nematodes at any time from nursery to bran. Once infected by root knot nematodes, the damage will be extremely serious. The key is to do a good job in prevention, prevention and control work in four key areas of nursery, soil preparation, planting, and field management.
First, the first move - cultivate wireless insect seedlings
1, seedbed preparation
It is best to choose soil that has been bred on green onion as nutritious soil for seedbeds. After the deep pounding, the soil smashed, the stubborn branches, rotten leaves and grass roots were removed, and the sun was baked for 1 week. Then, 20 kg of farmyard manure per m2, 10 g of poisonous ear, 10 g of granules, and 10 g of granules were used. , Or 10% force full reservoir granules 12 grams, or 3% Milur granules 12 grams, or 10% blessing more than granules 3 grams, deep turn 10 centimeters, medicine, fertilizer, soil mix, 耙平畦é¢.
2, germination sowing
Soak the seeds for 10 hours, then soak in the strain for 2000 minutes, and then soak in the seed for 15 minutes, then wash and drain, soak it in a cloth and place it in the room to germinate. Rinse once daily in the evening with water; after 5-6 days of germination sowing.
Second, the second move - soil treatment
After the harvest, the land was quickly turned and baked until white, then the soil was smashed and soil preparation was completed. Each chicken planted 6000 kg of manure, 50 kg of ternary compound fertilizer, 500-800 g of poisonous ear, and 250 ml of Coke. Fertilize 6-8 kg, or 10% Kedan 5-6 kg, or 10% Limanku granules 6-8 kg, or 3% Miller granules 6-8 kg, or 10% blessing multigranules 2-3 kg deep turn 25-30 cm, leveled for use.
Third, the third move - colonization
When planting, a certain amount of killing agents should be used to irrigate the planting holes to prevent the root-knot nematodes remaining in the seedlings from invading the soil. You can choose one of the following methods when you fill a hole:
Method one: about 100 grams of liquid per hole, with the use of Scola
Method 2: Sterile sterile 1 water 15-20 kg + 1.8% avermectin 1500-2000 times fluid, 100 grams per hole orally, with the use of Scola;
Method 3: Sterile sterile 1 water 15-20 kg + 3000-4000 times the bacteria line Wei, 100 grams per hole orally, with the use of Scola;
Method 4: Sterile sterile water 15-20 kg + 5% of P. lilacinus 3000-4000 times liquid per hole, about 100 grams, with the use of Scola.
Fourth, fourth move - scientific irrigation
Before the flowering and fruit setting, the vegetables should be rooted 2-4 times with the killing agent, which can basically guarantee that the whole growth period is not affected by the root-knot nematode. When filling the root, you can choose one of the following methods:
The best prescription: bacteria sterile 1 15-20 kg of water + poisonous ear 1000 times, about 250-300 grams per strain, every 10-15 days, even irrigation 3 times, with the use of Scola ;
Other methods are as follows:
Method 1: Sterile sterile 1 water 15-20 kg + 1.8% avermectin 1000-1200 times liquid, each strain about 250-300 grams of liquid, every 10-15 days 1 time, even irrigation 3 times, Use with Scola;
Method 2: Bacteria line 3000-3500 times liquid + bacteria sterile water 1 15-20 kg, about 250 grams per strain, with the use of Scola, every 10-15 days, and even irrigation 3 times;
Method 3: Sterile sterile 1 water 15-20 kg + 5% of P. lilacinus 2000-2500 times, about 250 grams per strain, irrigation 1-2 times, with Scarlet used;
Method 4: Sterile sterile water 15-20 kg + 50% phoxim EC 600-800 times, about 250 grams per strain, used with Scarlet, every 7-10 days, with irrigation 4 times.
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