Spring wheat growth stimulation method

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. The method of stimulating growth of spring wheat involves seed treatment with 0.005% aqueous solution of a preparation of formula: H3BO3*4R1R2NC(S)NR3R4, where R1=R2=R3=R4=CH3 ("БТТМ"); R1=C6H5, R2=R3=H, R4=(CH2)3OH (BFPA); R1=o-CH3C6H4, R2=R3=H, R4=(CH2)3OH (BTPA), and vegetative plants are also sprayed with the same preparation during the tillering period at usage rate of 200 g/ha.

EFFECT: invention reduces spread of spot blight, increases plant survival rate and increases spring wheat yield.

5 tbl, 4 ex

 

The invention relates to agriculture, namely to chemicals stimulate the growth of plants on the basis of organoboron compounds.

There is a method of stimulating the growth of spring wheat pre-sowing seed treatment drug BTTM formula H3BO3*4(CH3)2NC(S)N(CH3)2(patent RU №2179806, CL A01N 59/14, publ. 2002). The disadvantage of this drug is its low efficiency.

The closest analogue is used as a growth promoter protectants formula H3BO3*4 - RC6H4NHC(S)NH(CH2)3OH, where R=H (BFPA) or CH3(BFPA) (patent RU №2372778, CL A01N 59/14, publ. 2009).

However, these incentives are not effective enough.

The technical result of the invention is to reduce the spread of root rot, the increased survival of plants, net photosynthesis productivity, the accumulation of dry matter during the growing season and, as a consequence, the increase of the yield of spring wheat.

The invention consists in the additional spraying of spring wheat in the phase of early tillering drug formula H3BO3*4R1R2NC(S)NR3R4where R1=R2=R3=R4=CH3(BTTM); R1=C6H5R=R3=N, R4=(CH2)3HE BFPA; R1=o-CH3With6H4, R2=R3=N, R4=(CH2)3HE BTPA).

Test the physiological activity of the drugs was performed in conditions of field experiments in 2005-2007

Seed spring wheat varieties Iryna held for 3-5 days before sowing of 0.005%th aqueous solutions of drug at a rate of 10 l/so

Additional spraying of vegetating plants in early tillering stage was performed 0,005%-governmental solutions of these same drugs at a rate of 200 l/ha of the Control without treatment.

Summary of the invention the following examples.

Example 1. Testing the effect of the method of stimulating the growth of spring wheat on the spread of root rot was performed phytopathological analysis.

The spread of disease (R) was calculated by the formula:

P=a/N*100,

where a is the number of diseased plants;

N is the total number of plants.

The results are shown in table 1. The data of table 1 indicate that additional spraying of plants drugs BTTM, BFPA or BTPA reduces the spread of root rot. In phase shoots-tillering additional spraying of plants by drug BTTM reduces the spread of root rot by 8% (from 89% to 81%, crickets BTTM); 3% (from 96% to 93%, crickets, BFPA); 7% (from 97% to 90%, crickets, BTPA). And peregovornoe - 7% (from 84% to 77%, crickets BTTM); 7% (from 91% to 84%, crickets, BFPA); 8% (from 94% to 86%, crickets, BTPA).

In phase shoots-tillering additional processing plants drug BFPA reduces the spread of root rot by 3% (from 89% to 86%, crickets BTTM); 3% (from 96% to 93%, crickets, BFPA); 10% (from 97% to 87%, crickets, BTPA). And before cleaning by 2% (from 84% to 82%, crickets BTTM); 4% (from 91% to 87%, crickets, BFPA); 11% (from 94% to 83%, crickets, BTPA).

In phase shoots-tillering additional spraying of plants by drug BTA reduces the spread of root rot by 6% (from 89% to 83%, crickets BTTM); 2% (from 96% to 94%, crickets, BFPA); 6% (from 97% to 91%, crickets, BTPA). And before cleaning by 3% (from 84% to 81%, crickets BTTM); 4% (from 91% to 87%, crickets, BFPA); 7% (from 94% to 87%, crickets, BTPA).

Example 2. Test the effect of the method of stimulating the growth of spring wheat on the survival of plants.

The survival rate of plants was calculated by the formula:

X=n/m

where n is the number of plants in the stage of full ripeness, PCs/m2;

m is the number of plants in a state of total germination, PCs/m2.

The results are shown in table 2. The data in table 2 indicate that additional spraying of vegetating plants drug BTTM, BFPA or BTPA increases the survival rate of plants in comparison with protr the infusion. Additional spraying of plants by drug BTTM increases the survival rate of plants by 2% (from 101% to 103%, crickets BTTM); 1% (from 103 to 104 per cent, crickets, BFPA); 4% (from 103% to 107%, crickets, BTPA).

Additional spraying of plants by drug BFPA increases the survival rate of plants by 3% (from 101% to 104%, crickets BTTM); 4% (from 103% to 107%, crickets, BFPA); 4% (from 103% to 107%, crickets, BTPA).

Additional spraying of plants by drug BTPA increases the survival rate of plants by 2% (from 101% to 103%, crickets BTTM); 4% (from 103% to 107%, crickets, BFPA); 5% (from 103% to 108%, crickets, BTPA).

Example 3. Test the effect of the method of stimulating the growth of spring wheat on the accumulation of dry matter in vegetative plants in the phases of troublevania and earing conducted by the gravimetric method described You (Photosynthetic activity of plants in crops (methods and objectives of accounting in connection with the formation of the harvest) You. M: an SSSR, 1961. 35 C.).

The test results presented in table 3. The data of table 3 indicate that additional spraying of plants drugs BTTM, BFPA or BTPA increases the accumulation of dry matter of the plants in phases troublevania and earing in comparison with dressing.

Additional spraying of plants by drug BTTM increases nakoplenie the dry matter in the phase of troublevania by 6% (from 108% to 114%, crickets BTTM); 20% (101% to 121%, crickets, BFPA); 13% (101% to 114%, crickets, BTPA). And in the phase of earing by 49% (from 133% to 182%, crickets BTTM); 16% (from 119% to 137%, crickets, BFPA); 79% (from 127% to 206%, crickets, BTPA).

Additional spraying of plants by drug BFPA increases the accumulation of dry matter in the phase of troublevania by 23% (from 108% to 131%, crickets BTTM); 7% (101% to 108%, crickets, BFPA); 5% (101% to 106%, crickets, BTPA). And in the phase of earing by 43% (from 133% to 176%, crickets BTTM); 4% (from 119% to 123%, crickets, BFPA); 2% (from 127% to 129%, crickets, BTPA).

Additional spraying of plants by drug BTPA increases the accumulation of dry matter in the phase of troublevania by 13% (from 108% to 121%, crickets BTTM); 16% (101% to 117%, crickets, BFPA); 21% (101% to 122%, crickets, BTPA). And in the stage of earing by 42% (from 133% to 175%, crickets BTTM); 14% (from 119% to 133%, crickets, BFPA); 13% (from 127% to 140%, crickets, BTPA).

Example 4. Testing the effect of the method of stimulating the growth of spring wheat on net photosynthesis productivity conducted by the gravimetric method described You (Photosynthetic activity of plants in crops (methods and objectives of accounting in connection with the formation of the harvest) A.A. nichiporovich. M: an SSSR, 1961. 35 C.). The test results presented in table 4.

The data table is s 4 show, what additional spraying of vegetating plants drugs BTTM, BFPA or BTPA increases net photosynthesis productivity compared with clean dressing.

Additional spraying of plants by drug BTTM increases net photosynthesis productivity by 30% (from 109% to 139%, crickets BTTM); 2% (from 107% to 109%, crickets, BFPA); 48% (from 103% to 151%, crickets, BTPA).

Additional spraying of plants by drug BFPA increases net photosynthesis productivity by 9% (from 109% to 118%, crickets BTTM); 2% (from 107% to 109%, crickets, BFPA); 3% (from 103% to 106%, crickets, BTPA).

Additional spraying of plants by drug BTPA increases net photosynthesis productivity by 34% (from 109% to 143%, crickets BTTM); 8% (from 107% to 115%, crickets, BFPA); 7% (from 103% to 110%, crickets, BTPA).

The data of table 5 indicate that additional spraying of seeds preparations BTTM, BFPA or BTPA increases the yield of spring wheat.

Additional spraying of plants by drug BTTM increases the yield of spring wheat by 8% (from 153% to 161%, crickets BTTM); 14% (from 129% to 143%, crickets, BFPA); 14% (from 137% to 151%, crickets, BTPA).

Additional spraying of plants by drug BFPA increases the yield of spring wheat by 5% (from 153% to 158%, crickets BTTM); 4% (from 129% to 13%, crickets, BFPA); 7% (from 137% to 144%, crickets, BTPA).

Additional spraying of plants by drug BTPA increases the yield of spring wheat by 6% (from 153% to 159%, crickets BTTM); 11% (from 129% to 140%, crickets, BFPA); 13% (from 137% to 150%, crickets, BTPA).

The yield increase due to the increase in the number of grains per spike and spike productivity.

The proposed method reduces the spread of root rot and increased survival of plants, net photosynthesis productivity, the accumulation of dry matter during the growing season and, as a consequence, increase yields.

Table 1
The way to handleThe spread of root rot in the vegetative phases, %
cricketssprayershoots - tilleringbefore cleaning
absolute valuedeviation from controlabsolute valuedeviation from control
7010077100
BTTM-62896584
BTTM57815977
BFPA60866382
BTPA58836281
BFPA-67967091
BTTM65936584
BFPA65936787
BTPA 66946787
BTPA-68977294
BTTM63906686
BFPA61876483
BTPA64916787

Table 2
The way to handleThe survival of plants, %
cricketssprayerabsolute valuedeviation from control
control (without treatment)67100
BTTM-68101
BTTM69103
BFPA70104
BTPA69103
BFPA-69103
BTTM70104
BFPA71107
BTPA71107
BTPA-69103
BTTM71107
BFPA71107
BTPA72108

Table
The way to handleThe accumulation of dry matter in vegetative phases, %
cricketssprayertroublevaniaearing
absolute value, g/m2deviation from control, %absolute value, g/m2deviation from control, %
control (without treatment)144100153100
BTTM-156108204133
BTTM164114279182
BFPA188131269176
BTPA 174121267175
BFPA-145101173119
BTTM174121209137
BFPA156108188123
BTPA168117204133
BTPA-145101195127
BTTM164114314206
BFPA153106198129
BTPA175 122214140

Table 4
The way to handleNet photosynthesis productivity
cricketssprayerabsolute value, g/m2per daydeviation from control, %
control (without treatment)2,70100
BTTM-2,95109
BTTM3,74139
BFPA3,19118
BTPA3,86143
BFPA-2,89107
BTTM2,95109
BFPA2,95109
BTPA3,10115
BTPA-2,78103
BTTM4,08151
BFPA2,87106
BTPA2,98110

Table 5
The way to handleYieldGenerative elements yield
cricketssprayerabsolute value t/hadeviation from control, %the number of grains per ear, piecethe productivity of the ear, g
control (without treatment)1,53100 180,57
BTTM-2,34153200,65
BTTM2,47161210,66
BFPA2,41158210,66
BTPA2,44159220,69
BFPA-1,97129190,60
BTTM2,19143200,63
BFPA2,04133200,63
BTPA2,1414021 0,64
BTPA-2,09137200,65
BTTM2,31151210,67
BFPAof 2.21144210,70
BTPAto 2.29150220,68

Way to stimulate the growth of spring wheat, including seed treatment of 0.005%aqueous solution of the drug formula:
H3BO3·4R1R2NC(S)NR3R4,
where R1=R2=R3=R4=CH3(BTTM);
R1=C6H5, R2=R3=H, R4=(CH2)3OH BFPA);
R1=o-CH3C6H4, R2=R3=H, R4=(CH2)3OH BTPA),
characterized in that it further carry out spraying of vegetating plants these same drugs in the phase of tillering at a rate of 200 l/ha



 

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