Method for protection of goat's-rue

FIELD: agriculture.

SUBSTANCE: claimed method includes treatment of feed crop goat'-rue seeding with aqueous solution of "decys" chemical preparation, 2.5 % concentrated emulsion in amount of 0.5 l/hectare on budding stage in morning at daily average temperature 12°C or more to control of bedbug, flea-beetle, sitona, clover weevil and to increase of seed yield of goat'-rue.

EFFECT: decreased population of insect pest and increased seed yield of goat'-rue.

1 tbl, 1 ex

 

The invention relates to agriculture and can be used in seed production and forage production forage crops.

In increasing production and improving the quality of agricultural products plays an important role in the protection of plants from harmful organisms. Losses from pests, diseases reach 20-30% of the potential harvest. To combat pests of forage crops use different methods and tools. In the chemical method of plant protection from pests focus on reducing the environmental hazards of drugs used, to establish the optimal timing and amount of treatments. One of the areas of the chemical method is the use of pesticides, environmentally safe for warm-blooded animals, humans and the environment [1].

Decis modern PYRETHROID insecticide, unsurpassed efficiency and the widest scope against pests in agriculture, horticulture and gardening [2].

This drug has no adverse effects on beneficial insects, including bees. In the application of decis no risk of soil equilibrium, the life processes in the soil does not pose a risk to aquatic fauna. Security decis provides the following properties: the drug does not pass through the keratin layer of the skin che is owaka and animals and may not this way to get into their body, does not have a steam effect, and the risk of intoxication through the respiratory tract is virtually absent.

Crops fodder crops, especially related to the legume family, significantly damaged by various pests. Goat's Rue Eastern damaged by a complex of pest species - clover-samaedam, striped, clover and pea pea weevils, blockui and various bugs.

There is a method of protecting crops of Oriental goat's Rue drug decis at a rate of 0.3-0.5 l/ha in the booting phase against Sitona weevils [3].

The disadvantages of this method of protection of culture is that the product is aimed against one type of pest, not a complex of pests.

The aim of the invention is to increase the seed yield of goat's Rue East and the protection of culture from complex insect pest.

The invention consists in that the seed crops of Oriental goat's Rue is treated with a drug decis in a particular phase of the development of culture and specific consumption rate of the medication. Decis, 2,5% ke (emulsifiable concentrate) is first mixed with a small amount of water and mix thoroughly, then add the rest of the water. Decis contains as active substance deltamethrin, which increases the activity of the Ann is childa. The drug is rapidly absorbed by cell membranes of plants and is not washed off even during heavy rains. Pests, received a sublethal dose of the drug, are not viable.

The effectiveness of this method of protection of Oriental goat's Rue is detected on the basis of the biological efficacy of the drug. Biological efficiency was calculated by comparing pests in treated and control plots at the 3rd, 10th, 15th, 25th days after treatment [4].

The reduction in the number of pests was determined by the formula

With the reduction in the number of pests per cent.

And is the average number of insects in control plots, copies

- The average number of insects in the treated area, copies

The results of the experiments are shown in the table.

Biological efficacy of decis on the Oriental goat's Rue, %

Version of experienceThe days of accounting
Day 315 - day25 - day
BugsClub. $ keyNibble. CEM.FleaBugsClub. $ keyNibble. CEM.FleaBugsCloud who. $ keyNibble. CEM.Flea
Control------------
no
OBR-Ki
Decis,77,362,070,075,093,589,394,397,5100,090,594,097,5
0.5 l/ha

Decis showed high biological efficacy against a complex of pests. When Prim is in decis number of bugs, the pea leaf weevil, clover of Samedov and flea beetles fell on the 25th day after treatment 100%90,5%, 94,0% and 97.5%, respectively.

Example. Crops Oriental goat's Rue is treated with decis-2.5% of ke with the consumption rate of the product of 0.5 l/ha Decis mixed with a small amount of water and mix thoroughly, then add the rest of the water. The working fluid is prepared immediately before use and applied in the budding stage of culture, in the morning when average daily temperature is above 12°C. Decis on the 3rd day after treatment reduces the number of bugs, pea leaf weevil, clover of Samedov, flea beetles on 77,3%, 62,0%, 70,0%, 75,0% respectively; on the 15th day of the pest numbers are reduced respectively to 93,5%, 89,3%, 94,3%, 97,5%. The drug destroys insect pests and increase crop seeds.

The invention improves seed production at 42-48%.

Sources of information

1. IVAN Pavlov field crops Protection against pests. - M., 1987. - 256 S.

2. Patent No. 893121, a 01 N 53/00. Insecticide and acaricide tool /Rfox, Hoffmann and drzal; epubl. Bulletin no.47.

3. European NS Protection of forage crops /Sbtr. VIP. - M - 1991. - S-83.

Wasiliev T.V. Efficiency of methoxylation and decis against pests of Oriental goat's Rue and sorrel feed//Perspective the areas of research scientists. Sat. scientific. Issue 1. - Vologda, 1999.- Pp.86-87.

The way to protect goats from Eastern pests capable of handling crops aqueous solution of chemical - decis, 2.5% of ke in a particular phase of the development of culture and with a specific consumption rate of the product, characterized in that the spraying of crops is in the budding stage of culture at a rate of 0.5 l/ha in the morning when average daily temperature is above 12°C.



 

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