Pine oil-based herbicide
The present invention relates to a herbicide formulation based on pine oil. The present invention also relates to a method of reducing unwanted vegetation in a soil environment and a method for reducing seed viability using the herbicide formulation. The herbicide formulation comprises a pine oil, a tall oil, and an alkali. The formulation has improved herbicidal properties, and is less subject to coagulation at low ambient temperatures.
1 . An organic herbicide product comprising:
low lignin content pine oil about 48%-75% (w/w);
low to medium rosin tall oil about 19.4%-23% (w/w); and
KOH about 4%-8% (w/w);
wherein the pH of the product is about 10 to about 11;
wherein the low lignin content pine oil comprises less than 1% (w/v) lignin;
wherein the low lignin content pine oil comprises hand-tapped pine oil;
wherein the low to medium rosin tall oil is a tall oil with 30% (w/w) or less rosin acid; and
wherein the organic herbicide product does not contain NaOH.
2 . The organic herbicide product according to claim 1 , wherein the low lignin content pine oil comprises (% w/w):
3-carene
1.3%-2.0%;
Limonene
6.0%-7.20%;
Eucalyptol
0.08%-0.90%;
g terpinene
1.00%-1.55%;
limonene isomer
10.90%-11.10%;
fenchol
1.00%-1.70%;
b terpinenol
4.40%-5.50%;
g terpinenol
3.00%-3.10%;
endo borneol
1.50%-2.30%;
terpinen-4-ol
1.80%-2.10%;
alpha-terpinenol
48.0%-54.9%; and
2-carene
9.00%-9.35%.
3 . The organic herbicide product according to claim 1 , wherein the low lignin content pine oil is hand-tapped pine oil.
4 . The organic herbicide product according to claim 1 , wherein the low lignin content pine oil comprises less than 0.5% (w/v) lignin.
5 . The organic herbicide product according to claim 1 , wherein the low lignin content pine oil is present at 53% (w/w), 54% (w/w), 55% (w/w), 56% (w/w), 57% (w/w), 58% (w/w), 59% (w/w), 60% (w/w), 61% (w/w), 62% (w/w), 63% (w/w), 64% (w/w), 65% (w/w), 66% (w/w), 67% (w/w), 68% (w/w), 68.5% (w/w), 69% (w/w), 70% (w/w), 71% (w/w), 72% (w/w), 73% (w/w), 74% (w/w), or 75% (w/w) of the organic herbicide product.
6 . A method of reducing unwanted vegetation in a soil environment comprising:
spraying the soil environment with an effective amount of an organic herbicide product comprising:
low lignin content pine oil about 48%-75% (w/w);
low to medium rosin tall oil about 19.4%-23% (w/w); and
KOH about 4%-8% (w/w);
wherein the pH of the product is about 10 to about 11;
wherein the low lignin content pine oil comprises less than 1% (w/v) lignin;
wherein the low lignin content pine oil comprises hand-tapped pine oil;
wherein the low to medium rosin tall oil is a tall oil with 30% (w/w) or less rosin acid; and
wherein the organic herbicide product does not contain NaOH.
7 . The method according to claim 6 , wherein the low lignin content pine oil comprises (% w/w):
3-carene
1.3%-2.0%;
Limonene
6.0%-7.20%;
Eucalyptol
0.08%-0.90%;
g terpinene
1.00%-1.55%;
limonene isomer
10.90%-11.10%;
fenchol
1.00%-1.70%;
b terpinenol
4.40%-5.50%;
g terpinenol
3.00%-3.10%;
endo borneol
1.50%-2.30%;
terpinen-4-ol
1.80%-2.10%;
alpha-terpinenol
48.0%-54.9%; and
2-carene
9.00%-9.35%.
8 . The method according to claim 6 , wherein the low lignin content pine oil is hand-tapped pine oil.
9 . The method according to claim 6 , wherein the low lignin content pine oil comprises less than 0.5% (w/v) lignin.
10 . The method according to claim 6 , wherein the low lignin content pine oil is present at 53% (w/w), 54% (w/w), 55% (w/w), 56% (w/w), 57% (w/w), 58% (w/w), 59% (w/w), 60% (w/w), 61% (w/w), 62% (w/w), 63% (w/w), 64% (w/w), 65% (w/w), 66% (w/w), 67% (w/w), 68% (w/w), 68.5% (w/w), 69% (w/w), 70% (w/w), 71% (w/w), 72% (w/w), 73% (w/w), 74% (w/w), or 75% (w/w) of the organic herbicide product.
11 . The method according to claim 6 , wherein the unwanted vegetation is annual ryegrass ( Lolium rigidum ), red-root amaranth ( Amaranthus retroflexus ), fat hen ( Chenopodium album ), or blackberry nightshade ( Solanum nigrum ).
12 . The method according to claim 6 , wherein the organic herbicide product is a concentrate which is mixed or diluted with water, and optionally wherein the organic herbicide product is in the form of an emulsion-in-water.
13 . A method for reducing seed viability comprising:
spraying a soil environment with an effective amount of an organic herbicide product comprising:
low lignin content pine oil about 48%-75% (w/w);
low to medium rosin tall oil about 19.4%-23% (w/w); and
KOH about 4%-8% (w/w);
wherein the pH of the product is about 10 to about 11;
wherein the low lignin content pine oil comprises less than 1% (w/v) lignin;
wherein the low lignin content pine oil comprises hand-tapped pine oil;
wherein the low to medium rosin tall oil is a tall oil with 30% (w/w) or less rosin acid; and
wherein the organic herbicide product does not contain NaOH.
14 . The method according to claim 13 , wherein the organic herbicide product damages the shell casing of the seed, thereby exposing the interior of the seed to an element.
15 . The method according to claim 13 , wherein the seed is present in the soil environment and/or is present on unwanted vegetation growing within the soil environment.
16 . The method according to claim 13 , wherein the low lignin content pine oil comprises (% w/w):
3-carene
1.3%-2.0%
Limonene
6.0%-7.20
Eucalyptol
0.08%-0.90%
g terpinene
1.00%-1.55%
limonene isomer
10.90%-11.10%
fenchol
1.00%-1.70%
b terpinenol
4.40%-5.50%
g terpinenol
3.00%-3.10%
endo borneol
1.50%-2.30%
terpinen-4-ol
1.80%-2.10%
alpha-terpinenol
48.0%-54.9%; and
2-carene
9.00%-9.[[,]]35%.
17 . The method according to claim 13 , wherein the low lignin content pine oil is hand-tapped pine oil.
18 . The method according to claim 13 , wherein the low lignin content pine oil comprises less than 0.5% (w/v) lignin.
19 . The method according to claim 13 , wherein the low lignin content pine oil is present at 53% (w/w), 54% (w/w), 55% (w/w), 56% (w/w), 57% (w/w), 58% (w/w), 59% (w/w), 60% (w/w), 61% (w/w), 62% (w/w), 63% (w/w), 64% (w/w), 65% (w/w), 66% (w/w), 67% (w/w), 68% (w/w), 68.5% (w/w), 69% (w/w), 70% (w/w), 71% (w/w), 72% (w/w), 73% (w/w), 74% (w/w), or 75% (w/w) of the organic herbicide product.
20 . The method according to claim 13 , for reducing the seed viability for seeds of annual ryegrass ( Lolium rigidum ), red-root amaranth ( Amaranthus retroflexus ), fat hen ( Chenopodium album ), or blackberry nightshade ( Solanum nigrum ).
21 . The method according to claim 13 , wherein the organic herbicide product is a concentrate which is mixed or diluted with water, and optionally wherein the organic herbicide product is in the form of an emulsion-in-water.
22 . A process for preparing an organic herbicide product, the process comprising mixing at ambient temperature for a time sufficient to cause saponification:
low lignin content pine oil about 48%-75% (w/w);
low to medium rosin tall oil about 19.4%-23% (w/w); and
KOH about 4%-8% (w/w);
wherein the pH of the product is about 10 to about 11;
wherein the low lignin content pine oil comprises less than 1% (w/v) lignin;
wherein the low lignin content pine oil comprises hand-tapped pine oil;
wherein the low to medium rosin tall oil is a tall oil with 30% (w/w) or less rosin acid; and
wherein the organic herbicide product does not contain NaOH.
23 . The process according to claim 22 , wherein the mixing is conducted at a temperature of from about 10° C. to about 35° C.
24 . The process according to claim 22 , wherein the mixing is conducted for about 1 to about 5 hours.
25 . The process according to claim 22 , wherein the low lignin content pine oil comprises (% w/w):
3-carene
1.3%-2.0%;
Limonene
6.0%-7.20%;
Eucalyptol
0.08%-0.90%;
g terpinene
1.00%-1.55%;
limonene isomer
10.90%-11.10%;
fenchol
1.00%-1.70%;
b terpinenol
4.40%-5.50%;
g terpinenol
3.00%-3.10%;
endo borneol
1.50%-2.30%;
terpinen-4-ol
1.80%-2.10%;
alpha-terpinenol
48.0%-54.9%; and
2-carene
9.00%-9.35%.
26 . The process according to claim 22 , wherein the low lignin content pine oil is hand-tapped pine oil.
27 . The process according to claim 22 , wherein the low lignin content pine oil comprises less than 0.5% (w/v) lignin.
28 . The process according to claim 22 , wherein the low lignin content pine oil is present at 53% (w/w), 54% (w/w), 55% (w/w), 56% (w/w), 57% (w/w), 58% (w/w), 59% (w/w), 60% (w/w), 61% (w/w), 62% (w/w), 63% (w/w), 64% (w/w), 65% (w/w), 66% (w/w), 67% (w/w), 68% (w/w), 68.5% (w/w), 69% (w/w), 70% (w/w), 71% (w/w), 72% (w/w), 73% (w/w), 74% (w/w), or 75% (w/w) of the organic herbicide product.