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Method for preventing and controlling maize pests and diseases

A technology of diseases and insect pests and corn, applied in the field of crops, can solve problems such as yield loss, achieve the effects of promoting harmony and stability, ensuring sustainable development, and avoiding economic losses

Inactive Publication Date: 2017-01-18
姜韫英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Occurrence and hazards of major corn pests The pests that occur in a large area all year round and are seriously harmful are corn aphids and corn borers. These two pests can cause 4% to 20% yield loss

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The corn pest control method provided in this embodiment 1 includes.

[0017] Method 1. Precise soil preparation to kill the source of overwintering diseases and insect pests: 12 days before planting, carry out deep plowing and drying of the soil to kill overwintering chrysalis and pathogenic bacteria, and remove residual branches, fallen leaves, root piles, stones, etc. Corn stalks, corn piles, and weeds in and around the corn stalks, corn stalks, and weeds to eliminate overwintering sources of corn borers, aphids, leafhopper planthoppers, and whiteflies; in areas where early spring corn is planted, thoroughly control aphids in early April, and at the same time The surrounding weeds are also sprayed; before sowing, plow and rake the finely crushed soil, and then open the box for sowing.

[0018] Corn aphid is the main pest in the late growth period of corn, especially in dry climate. Aphids cluster on the heart leaves or bracts, male flowers and female pedicels and su...

Embodiment 2

[0023] This embodiment 2 provides a method for preventing and controlling corn diseases and insect pests, including:

[0024] Method 1. Precisely prepare the soil to kill the source of overwintering diseases and insect pests: deep plow and sun-dry the soil 15 days before sowing; in areas where early spring corn is planted, thoroughly control aphids once in early April, and apply pesticides to the surrounding weeds at the same time; Before sowing, plow and harrow to finely crush the soil, and then open the box for sowing.

[0025] Method 2. Scientific fertilization: ① base fertilizer, 50kg of compound fertilizer with a ratio of N:P:K of 2:1:1 per mu, total nutrient content ≥ 25%, and 1500kg of decomposed farmyard manure; ③ Raise seedling fertilizer, apply urea 13kg per mu.

[0026] Method 3. Use plastic film to fully cover or half cover, and sow early when appropriate.

[0027] Method 4. In the bell mouth stage of corn, use 8kg of washed river sand with a diameter of 2.5mm, 9...

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Abstract

A method for preventing and controlling maize pests and diseases comprises following steps: 1. fine land preparation and killing overwintering diseases and pests sources; 2. scientific fertilization; 3. complete covering or half covering with mulching film and early sowing in suitable period; 4. during the maize trumpet period, well mixing 5kg to 8kg washed river sand having a diameter of 2mm to 3mm, 8 to 10ml 20% fenvalerate, and 50g 50% carbendazim WP to prepare a granular formulation, applying 60 to 75 kg granular formulation per mu to the centers of maize heart leaves and space among 4 to 5 leaves forming heart leaf clusters, and avoiding applying chemical during condensation of moisture and leaf rolling; applying 50% carbendazim WP 1000 times solution 15 to 18 days before maize harvesting. The method for preventing and controlling maize pests and diseases of the invention adopts comprehensive prevention technology to prevent and control main pests and diseases of maize and avoids heavy economic losses of production, guarantees the sustainable development of maize industry and promotes harmony and stability of rural areas.

Description

technical field [0001] The invention relates to the technical field of crops, in particular to a method for preventing and controlling corn diseases and insect pests. Background technique [0002] Corn is the seed of the grass herb plant maize. The scientific name is maize, commonly known as corn, corn, corn, corn. It is planted all over China, especially in the northeast, north and southwestern provinces. Durum corn is commonly planted in Northeast China, and dent corn suitable for milling is mostly planted in North China, and its quality is inferior to durum corn. Corn is a good health product in coarse grains, and eating corn is quite beneficial to human health. [0003] There are many kinds of pests and diseases in corn, the main diseases are large leaf spot, small leaf spot, viral disease, bacterial wilt and head smut, etc.; the main pests are corn borer, aphid, red spider, underground pests, etc. Especially sweet corn, as fresh corn, is deeply loved by the general p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G13/00
CPCA01G13/00
Inventor 姜韫英
Owner 姜韫英
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