Fruit-formation stimulator

FIELD: agriculture.

SUBSTANCE: claimed stimulator contains (mg/l): 4-chlorophenoxyacetic acid 1-50: succinic acid 10-80; and balance: 50 % monohydric saturated aliphatic alcohols.

EFFECT: increased set-formation and yield.

2 cl, 4 tbl, 2 ex

 

The invention relates to agriculture, in particular to chemical agents regulate the growth and development of plants, and is intended to stimulate fruiting tomato.

As you know, the plant growth regulators have a broad spectrum activity, influencing various processes of growth and development of plants, including process fruit formation.

Some of the regulators, natural (gibberellins, auxins and their synthetic analogues, derivatives PHENOXYACETIC acid, indolyl-oil and others), as well as growth factors (vitamins, succinic acid, and others) have been used in practice to improve fruit set and increase yields of fruit and vegetable crops (1).

On the basis of gibberellins created stimulator fruiting "Ovary", and a synthetic analogue AUX 4 chlorophenoxyacetate acid (4-HFUC) (prototype) back in the 70-80-ies of XX century was proposed as a growth regulator for use on tomatoes during flowering to increase the number of ovaries, get parthenocarpic fruits, increase early yields (2).

In nature, the regulation of growth and development is always not one hormone, but a complex set of regulators and physiologically active substances, therefore, in agricultural practice, a mixture of regulators and/or stimulants, usually effective is it than a single regulator. The recommended concentration 4-HFUC 25-50 mg/L. In case of contact with the active substance on the growth points in the processing of flowering plants on the tops of the stems may be some fitotoksicheskie effect, while exceeding current concentrations are sometimes formed of non-standard fruits. To avoid unwanted consequences of using the concentration of 4-HFUC featured below, but, of course, the efficiency of the regulator is reduced. In this case, to increase the effectiveness of the drug can be due to a synergistic effect.

Succinic acid, a natural metabolite of plant and animal cells, has the properties of non-hormonal growth promoter with synergetic principle. These substances enhance the function of phytohormones or reproduce their effects. So, succinic acid accelerates germination, increases the growth rate of pollen tubes, increase the percentage of fruit set and yield (3). Yet the effectiveness of its many small crops. At the same time, the joint application of growth regulator and succinic acid in most cases increases the efficiency of growth regulator (synergistic effect).

The present invention is the creation of a stimulator fruiting on the basis of low concentration HFUC, the use of which leads to increased fruit set, increase fees early fruits, increase yields of agricultural crops, in this case, there fitotoksicheskie effect.

This task is achieved by the stimulator fruiting containing 4-chloroperoxidase acid (4-HFUC), which additionally contains a synergist - succinic acid, mg/l:

4-HFUC1-50
succinic acid10-80
50%monatomic
saturated acyclic alcoholsrest

The specified stimulant fruiting in the alcohol solution is diluted with water to the required volume and the solution used for spraying or dipping the flower brushes or flowers of plants.

Example 1. In greenhouse proposed tool was applied on tomatoes C. White Filling in small-plot experiment. Tomato seedlings were grown by the conventional technology, planted in the greenhouse on April 14. Processing was performed in the flowering cycle of the 1st, 2nd and 3rd brushes, 30.04., 12.05. and 20.05, when about half of the flowers were solved. The working solution contained 4-HFUC (1, 5 or 50 mg/l), succinic acid (10, 25, or 80 mg/l). As a reference used pre the Arat "Ovary", 4-HFUC (5 mg/l) and succinic acid (25 mg/l). The result after the first treatment (30.04) are given in table 1.

These data suggest that 4-HFUC and succinic acid separately to increase the number of ovaries, the rate of fruit growth, but the maximum effect is achieved with a mixture (option 9), i.e. there is a synergistic effect. In the following table 2 shows the results of the early charges of ripe fruits and total yield. From this table it follows that the speed of ripening, the amount of ripe fruit, their average weight, yield a mixture of 4-HFUC with succinic acid is superior to the control and other options. Thus, the first ripe fruit appeared on 10-12 days earlier than in control, they were more in number and weight. Option 4-HFUC (5 mg/l)+amber-to-one (25 mg/l) early harvest exceeded more than three times, the harvest of red fruits - more than two times. In addition, the fruits were more and they were larger. The total harvest in this embodiment also exceeded the control by 59%.

Thus, these data suggest that the best option is a mixture of 4-HFUC (5 mg/l) and succinic acid (25 mg/l). Processing floral brush the tomatoes with this mixture helps to increase fruit set, to accelerate their growth and maturation, increase fees early ripened fruits and total yield. Reduction of concentration of the 4-HFUC to 1 mg/l gives less effect and its increase increases the ties and the number of fruits, but they become smaller.

Example 2. In greenhouse proposed tool was applied on the hybrid tomato F1Blagovest in small-plot experiment. Tomato seedlings were grown by the conventional technology, planted in the greenhouse on April 14. Processing was performed in the flowering cycle 1, 2 and 3 brushes 12.05., 20.05. and 28.05, when about half of the flowers were solved. The working solution contained 1, 5 or 50 mg/l 4-HFUC and 10, 25, or 80 mg/l of succinic acid. The results of the first treatment (12.05) are given in table 3.

As can be seen from the data, a better effect, like tomatoes C. White Filling can be achieved when the joint application of the two components (4-HFUC and succinic acid). The maximum effect is observed in the variation 9 (see tables 3 and 4). So, early harvesting of ripe fruit 3 times higher than the control, harvest red fruit is 62% higher than the control and the total yield of 58°C.

The proposed stimulator fruiting, as follows from the main results of the tests allows for comparison with the model and the prototype to increase early fruit yield 2-3 times by 40%, the yield of ripe fruit on average more than 80%, to increase the overall yield of 58%. Stimulator fruiting gives the opportunity to improve product output due to the increase in the average weight of one fruit at 1%.

Table 1

Influence of growth regulators on the fertilization and growth of fruits of tomato S. White filling
OptionThe average number of ovaries on the 1st brush on the 8th day after processingThe average diameter of the ovaries on the 8th day after treatment (mm)The average diameter of the ovaries on the 15th day after treatment (mm)
1. Control (water)0,413,521,7
2. Ovary0,811,518,2
3. 4-HFUC, 5 mg/l1,614,524,5
4. Amber-one

25 mg/l
0,813,622,0
5. 4-HFUC, 1 mg/l+Amber to the 10 mg/l1,814,823,5
6. 4-HFUC, 1 mg/l+Amber to the 25 mg/l1,413,822,7
7. 4-HFUC, 1 mg/l+Amber to the 80 mg/l1,514,823,0
8. 4-HFUC, 5 mg/l+Amber to the 10 mg/l2,415,023,5
9. 4-HFUC, 5 mg/l+Amber to the 25 mg/l2,415,825,7
10. 4-HFUC, 5 mg/l+Amber to the 80 mg/l23 15,822,7
11. 4-HFUC, 50 mg/l+Amber to the 10 mg/l3,415,319,6
12. 4-HFUC, 50 mg/l+Amber to the 25 mg/l3,414,819,8
13.4-HFUC, 50 mg/l+Amber to the 80 mg/l2,813,818,2

Table 2

Influence of growth regulators on early harvest, collection of red fruits and total yield of tomato S. White filling


Option
Early harvesting of ripe fruit,Harvest red fruitTotal yield
Fruit weight, g/hiveFruit weight, kg/m2% of controlFruit weight, g/hiveFruit weight, kg/m2% of control
g/hivekg/m2% pin-Liu
1. Control157,50,361001012,51,841001375,02,5100
2. Awasi184,00,4217 1052,02,391301468,03,34134
3. Amber to the 25 mg/l1980,451261062,51,931051527,52,77111
4. 4-HFUC, 5 mg/l3280,742081580,03,591951820,0of 3.64146
5. 4-HFUC, 1 mg/l+Amber to the 10 mg/l200,60,742081157,12,631431425,42,85114
6. 4-HFUC, 1 mg/l+Amber to the 25 mg/l254,70,742081222,72,781511515,53,29132
7. 4-HFUC, 1 mg/l+Amber to the 80 mg/l260,40,762141323,23,0163,51555,03,3132
8. 4-HFUC, 5 mg/l+Amber to the 10 mg/l457,31,042911689,93,41851820,63.5140
9. 4-HFUC, 5 mg/l+Amber-is and 25 mg/l5311,203372131,4a 3.872102191,43,98159
10. 4-HFUC, 5 mg/l+Amber to the 80 mg/l5251,173272152,0of 3.772041988,73,7148
11. 4-HFUC, 50 mg/l+Amber to the 10 mg/l6131.243482212,03,802062035,33,6144
12. 4-HFUC, 50 mg/l+Amber to the 25 mg/l5951,203382112,0the 3.82062005,33,5140
13. 4-HFUC, 50 mg/l+Amber to the 80 mg/l5851,22341,42032,03,72041988,33,3132

Table 3

Influence of growth regulators on fertilization and initial growth of fruits of tomato F1Blagovest
OptionThe average number of ovaries on the 1st brush on the 16th day after processingThe average number of ovaries on the 2nd brush on the 16th day of the settlement of the e processing The average diameter of the ovaries on the 16th day after treatment (mm)
1. Control4,42,620,9
2. Ovary4,82,421,8
3. Amber to the 25 mg/l4,52.622,0
4. 4-HFUC, 5

mg/l
6,54,024,1
5. 4-HFUC, 1 mg/l+Amber to the 10 mg/l4.62,021,0
6. 4-HFUC, 1 mg/l+Amber to the 25 mg/l4,62,421,0
7. 4-HFUC, 1 mg/l+Amber to the 80 mg/lthe 4.72,725,0
8. 4-HFUC, 5 mg/l+Amber to the 10 mg/l7,65,625,2
9. 4-HFUC, 5 mg/l+Amber to the 25 mg/l8,36,326,7
10. 4-HFUC, 5 mg/l+Amber to the 80 mg/l8,55,825,4
11. 4-HFUC mg/l+Amber to the 10 mg/l8,84,520,0
12. 4-HFUC, 50 mg/l+Amber to the 25 mg/l9.43,518,0
13. 4-HFUC, 50 mg/l+Amber to the 80 mg/l9,03,518,4
Table 4

Influence of growth regulators on early harvest, collection of red fruits and total yield of tomato F1Blagovest


Option
Early harvesting of ripe fruit,Harvest red fruitTotal yield
Fruit weight, g/hiveFruit weight, kg/m2% of controlFruit weight, g/hiveFruit weight, kg/m2% of control
g/hivekg/m2% to the rear.
1. Control11082,510021384,8610023855,42100
2. Ovary9602,28826125,9412228726,53120
3. Amber the11202,61042395the 6.0612527856,70114
4. 4-HFUC, 5 mg/l13443,0 12025405.7711928406,45119
5. 4-HFUC, 1 mg/l+Amber to the 10 mg/l11202,310820684,8810023785.59103
6. 4-HFUC, 1 mg/l+Amber to the 25 mg/l12002,28820044,9610224685,70105
7. 4-HFUC, 1 mg/l+Amber to the 80 mg/l19802,4962140of 5.0610424845,9109
8. 4-HFUC, 5 mg/l+Amber to the 10

mg/l
14403,313125405,7711928406,45119
9. 4-HFUC, 5 mg/l+Amber to the 25 mg/l38008,633034687,8816237808,59158,5
10. 4-HFUC, 5 mg/l+Amber to the 80 mg/l36508,132430566,991433548of 8.06149
11 4-HFUC, 50 mg/l+Amber to the 10 mg/l2380of 5.421626045.9112237708,57158
12. 4-HFUC, 50 mg/l+Amber to the 25 mg/l24805,622525605,81193670to 8.34154
13. 4-HFUC, 50 mg/l+Amber to the 80 mg/l22005,02002570of 5.841203685of 8.37154

Literature

1. Melnikov N.N., Novozhilov C.V., Belan S.R. Pesticides and plant growth regulators: Ref, ed., Moscow, "Chemistry", 1995, s.

2. Rakitin J.V. FAV. Tr. Chemical controls plant life. Moscow, 1983, p.75-89.

3. Succinic acid in medicine, food industry, agriculture [the Use of succinic acid and its salts in veterinary medicine, agriculture, animal husbandry, farm animal breeding and medicine]: Sa. scient. senior / In-t Teoret. and experimental. Biophysics of the Russian Academy of Sciences, LLC "Vektor-2M/ Scientific. edit Kondrashova M.N. and others, Pushchino, 1997, 300 S.

1. Stimulator fruiting containing 4-chloroperoxidase acid (4-HFUC), characterized in that it additionally contains succinic acid and 50%monatomic nassen the e acyclic alcohols in the following ratio of components, mg/l:

4-HFUC1-50
Succinic acid10-80
50%monatomic
saturated acyclic alcoholsRest

2. Stimulator fruiting according to claim 1, characterized in that as monohydroxy saturated acyclic alcohols it contains ethanol, methanol or propanol.



 

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2 cl, 3 tbl, 14 ex

FIELD: plant protection.

SUBSTANCE: invention provides composition comprising 24-36% 2,4-dichlorophenoxyacetic acid ethylhexyl ester, 3-6% 3,6-dichloropyridine-2-carboxylic acid dimethyl-C12-C14-alkylammonium salt, 10-15% oxyethylated alkylphenols or higher fatty acids, and aromatic hydrocarbons (to 100%) at weight ratio of the first component to the second (80-90):(10-20).

EFFECT: increased stability of preparation an negative temperatures and upon long-time storage.

2 cl, 2 tbl, 9 ex

FIELD: agricultural engineering.

SUBSTANCE: composition has dialene, mixture of potassium and sodium dimethylammonium salts of MCPA (agritox) and surfactant agent of trend in mass proportion of ingredients equal to 2.06:1, respectively. Method for eliminating weeds or undesired plants involves applying tank mixture of dialene at a dose of 1.75 kg/hectare and agritox at a dose of 0.85 kg/hectare. Surfactant agent of trend is added to the mixture in the amount of 200 ml/hectare with normal working liquid expenditure being equal to 200 l/hectare in cereals and lawn grass crops.

EFFECT: wide range of herbicide action spectrum.

3 cl, 2 tbl

FIELD: method for controlling of arthropod pests.

SUBSTANCE: claimed method includes application in environments of pests of germinal calls thereof effective amount at least one vicinal diol of formula R(OH)2 selected from group containing diols, wherein R represents aliphatic hydrocarbon chain with the proviso that carbon atom in the chain adjacent to diol functional group is not substituted with ethyl and chain skeleton contains 8-20 carbon atoms. Composition for insecticidal and arachnicidal application containing abovementioned diol of formula R(OH)2 also is disclosed. Methods for controlling of sucking lice, flies, mites, cockroaches, and pests from group comprising Pediculus humanus, Dermatophagoides pteronyssinus, and Musca domestica.

EFFECT: death or non-vitality of pests after treatment.

26 cl, 4 tbl, 4 ex

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