CN115812727B - Pseudo-ginseng seed strip seed dressing agent and method for improving pseudo-ginseng seed storage - Google Patents
Pseudo-ginseng seed strip seed dressing agent and method for improving pseudo-ginseng seed storage Download PDFInfo
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- 244000131316 Panax pseudoginseng Species 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 15
- 108010016634 Seed Storage Proteins Proteins 0.000 title description 4
- 239000000843 powder Substances 0.000 claims abstract description 37
- DVWJFTGEISXVSH-CWVFEVJCSA-N (1R,3S,5S,7Z,11R,12S,13Z,15Z,17Z,19Z,21R,23S,24R,25S)-21-[(2R,3S,4S,5S,6R)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-12-ethyl-1,3,5,25-tetrahydroxy-11-methyl-9-oxo-10,27-dioxabicyclo[21.3.1]heptacosa-7,13,15,17,19-pentaene-24-carboxylic acid Chemical compound CC[C@H]1\C=C/C=C\C=C/C=C\[C@@H](C[C@@H]2O[C@@](O)(C[C@H](O)[C@H]2C(O)=O)C[C@@H](O)C[C@@H](O)C\C=C/C(=O)O[C@@H]1C)O[C@@H]1O[C@H](C)[C@@H](O)[C@H](N)[C@@H]1O DVWJFTGEISXVSH-CWVFEVJCSA-N 0.000 claims abstract description 31
- 229930183279 tetramycin Natural products 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 239000005843 Thiram Substances 0.000 claims abstract description 21
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229960002447 thiram Drugs 0.000 claims abstract description 21
- LDVVMCZRFWMZSG-OLQVQODUSA-N (3ar,7as)-2-(trichloromethylsulfanyl)-3a,4,7,7a-tetrahydroisoindole-1,3-dione Chemical compound C1C=CC[C@H]2C(=O)N(SC(Cl)(Cl)Cl)C(=O)[C@H]21 LDVVMCZRFWMZSG-OLQVQODUSA-N 0.000 claims abstract description 20
- 239000005745 Captan Substances 0.000 claims abstract description 20
- 229940117949 captan Drugs 0.000 claims abstract description 20
- 238000011282 treatment Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 239000004563 wettable powder Substances 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 5
- 241000196324 Embryophyta Species 0.000 abstract description 3
- 235000003143 Panax notoginseng Nutrition 0.000 description 9
- 241000180649 Panax notoginseng Species 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 7
- 238000002791 soaking Methods 0.000 description 7
- 239000003814 drug Substances 0.000 description 5
- 239000002028 Biomass Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000003242 anti bacterial agent Substances 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 229940088710 antibiotic agent Drugs 0.000 description 3
- 239000013642 negative control Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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- YKJYKKNCCRKFSL-RDBSUJKOSA-N (-)-anisomycin Chemical compound C1=CC(OC)=CC=C1C[C@@H]1[C@H](OC(C)=O)[C@@H](O)CN1 YKJYKKNCCRKFSL-RDBSUJKOSA-N 0.000 description 1
- YKJYKKNCCRKFSL-UHFFFAOYSA-N Anisomycin Natural products C1=CC(OC)=CC=C1CC1C(OC(C)=O)C(O)CN1 YKJYKKNCCRKFSL-UHFFFAOYSA-N 0.000 description 1
- 241000235349 Ascomycota Species 0.000 description 1
- 241000221198 Basidiomycota Species 0.000 description 1
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 description 1
- 108010069514 Cyclic Peptides Proteins 0.000 description 1
- 102000001189 Cyclic Peptides Human genes 0.000 description 1
- 241001638069 Rigidoporus microporus Species 0.000 description 1
- 241000187432 Streptomyces coelicolor Species 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 244000000005 bacterial plant pathogen Species 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000000443 biocontrol Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000006013 carbendazim Substances 0.000 description 1
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000003120 macrolide antibiotic agent Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- DYKFCLLONBREIL-KVUCHLLUSA-N minocycline Chemical compound C([C@H]1C2)C3=C(N(C)C)C=CC(O)=C3C(=O)C1=C(O)[C@@]1(O)[C@@H]2[C@H](N(C)C)C(O)=C(C(N)=O)C1=O DYKFCLLONBREIL-KVUCHLLUSA-N 0.000 description 1
- 229960004023 minocycline Drugs 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 239000003910 polypeptide antibiotic agent Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 150000005672 tetraenes Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a seed dressing agent for pseudo-ginseng seed strips and a method for treating the seed strips to improve pseudo-ginseng seedling storage, belonging to the field of medicinal plant cultivation. The pseudo-ginseng seed strip seed dressing agent comprises the following components: tetramycin powder, thiram and captan. The invention also provides a method for using the pseudo-ginseng seed strip seed dressing agent for pseudo-ginseng cultivation and application thereof.
Description
Technical Field
The invention relates to a seed dressing agent for pseudo-ginseng seed strips and a method for treating the seed strips to improve pseudo-ginseng seedling storage, belonging to the field of medicinal plant cultivation.
Background
Notoginseng radix [ Panax notoginseng (Burk.) F.H.Chen ] is a special traditional rare Chinese medicinal material in China, and its root, stem, leaf and flower can be used as medicine, and has effects of promoting blood circulation, removing blood stasis, detumescence and relieving pain; pseudo-ginseng is a perennial root herb which is native under the forest, and has a history of artificial cultivation as early as 400 years ago because of the unique medicinal value. In recent years, as the medicinal value of the pseudo-ginseng is further explored, the demand is further increased, but the traditional production of the pseudo-ginseng directly causes the problems of exceeding standards of pesticide and heavy metal residues due to excessive use of pesticides, fertilizers and plant growth regulators, so that the quality and the yield of the pseudo-ginseng are seriously influenced, and the sustainable development of the pseudo-ginseng industry faces a great challenge.
The healthy management relationship of cultivating strong seedlings and seedlings is that the seedlings are stored in pseudo-ginseng, and plays a vital role in increasing yield and income in the later period of pseudo-ginseng growth; the occurrence of root rot of the underground part is the key for influencing the life rate of the pseudo-ginseng, so that the effective treatment of the pseudo-ginseng seed strips is the premise and guarantee of ensuring the survival of the pseudo-ginseng seed strips and improving the seedling storage rate of the pseudo-ginseng. In the production, the pseudo-ginseng seed strip treatment is mainly carried out by seed strip seed dressing and seed soaking methods. The seed soaking method is to soak the pseudo-ginseng seed strips in a liquid medicament with a certain concentration and then transplant, wherein the treatment of the medicament concentration and seed soaking time is key; the pseudo-ginseng is transplanted in winter, the weather is cold, the pseudo-ginseng is not easy to air-dry, germs have the risk of invading pseudo-ginseng seed strips through the cutting openings, and the seed strips are provided with bacteria which are not beneficial to the emergence of pseudo-ginseng seedlings. Aiming at the serious root rot disease after seed soaking treatment and pseudo-ginseng seed strip transplanting. Compared with seed soaking treatment, the seed dressing method is simpler and is easy to operate. The seed dressing method is to put the pseudo-ginseng seed strips into solid medicament powder and repeatedly stir the powder in a rolling way, so that the medicament is adhered to the surfaces of the pseudo-ginseng seed strips and transplanted together.
Traditional planting researches of pseudo-ginseng report that the seed dressing treatment of pseudo-ginseng seedlings by using a biocontrol microbial inoculum has a certain limiting effect on root rot; the seed treatment of the pseudo-ginseng seed strips is carried out by mixing the mixture of the number 1 thiram plus carbendazim plus She Kuning and the number 2 Lvheng plus the number 1 plus Fumeishuang plus She Kuning according to a certain proportion, the emergence rates are 83.23 percent and 86.96 percent respectively, and the root rot incidence rates are 10.52 percent and 10.70 percent; patent CN106068777A describes that bactericide 1% -20%, insecticide 3% -30% and thickener 0.1% -1% are compounded, and the pseudo-ginseng seed strips are treated by adopting a dry mixing method, a seed soaking method and a spraying method, and the seed storage rate is 72.4%, 81.6% and 96% respectively. As practical experience shows, the seed soaking treatment of the pseudo-ginseng seed strips causes serious root rot and is unfavorable for emergence of seedlings.
Tetramycin is a metabolite of Streptomyces coelicolor subspecies, and the main active ingredients comprise four components A1, A2, B and C, wherein the two components A1 and A2 belong to polyene macrolide tetraene antibiotics; the component B is the minocycline, belongs to cyclic peptide antibiotics, the component C is the anisomycin, and belongs to nitrogen-containing heterocycle antibiotics and aromatic derivative antibiotics. The research shows that tetramycin has high inhibition activity on various plant pathogenic bacteria, low toxicity, strong systemic property, high bactericidal activity and broad bactericidal spectrum, and has extremely strong killing effect on ascomycetes, basidiomycetes, half-known bacteria and gram-negative and positive bacteria.
Disclosure of Invention
The first aspect of the invention provides a pseudo-ginseng seed strip seed dressing agent, which comprises the following components: tetramycin powder, thiram and captan.
In one embodiment, the mass ratio of tetramycin powder, thiram and captan is 40-80%:15-35%:5-25%. Preferably, the mass ratio of the tetramycin powder to the thiram to the captan is 50-70%:20-30%:10-20%. In a further embodiment, the mass ratio of tetramycin powder, thiram and captan is 60%:25%:15%.
In another embodiment, the tetramycin powder formulation method is: uniformly mixing 0.3% (g/100 ml) tetramycin aqueous solution with 2000-mesh quartz sand according to a ratio of 1:1, and drying in the shade to prepare tetramycin powder.
In yet another embodiment, the thiram is 50% by weight of the thiram wettable powder and the captan is 50% by weight of the captan wettable powder.
The second aspect of the invention provides a method for using the seed dressing agent for pseudo-ginseng cultivation, which comprises the following steps:
(1) Compounding tetramycin powder, thiram and captan, and uniformly mixing according to a proportion to obtain pseudo-ginseng seed-dressing powder;
(2) Mixing healthy pseudo-ginseng seed strips and pseudo-ginseng seed strip seed dressing powder according to the dosage of 300 g/mu, adding a small amount of the seed dressing powder for multiple times, and stirring in a rolling way;
(3) Transplanting the pseudo-ginseng seed strips subjected to seed dressing treatment immediately and covering soil.
The third aspect of the invention provides application of the pseudo-ginseng seed strip seed dressing agent in pseudo-ginseng planting.
The beneficial effects are that: the tetramycin is converted from a water agent into a solid preparation for use for the first time, and a compound formula of the seed dressing agent for the seed strips of the pseudo-ginseng is screened out in a large number of fields, and the formula is applied to pseudo-ginseng planting, so that excellent technical effects are achieved in both emergence rate and pseudo-ginseng biomass.
Detailed Description
The invention may be further understood by reference to examples that illustrate some methods of making or using the same. However, it is to be understood that these examples do not limit the present invention. Variations of the invention now known or further developed are considered to fall within the scope of the invention described herein and claimed below.
In the invention, 50 weight percent of thiram wettable powder and 50 weight percent of captan are purchased from Hebei Guanlong agricultural chemical Co., ltd.
Example 1 preparation of seed dressing agent for seed stripes of Notoginseng
Tetramycin powder preparation: uniformly mixing 0.3% (g/100 ml) tetramycin aqueous solution with 2000-mesh quartz sand according to a ratio of 1:1, and drying in the shade to prepare tetramycin powder.
Compounding tetramycin powder, 50% thiram and 50% captan according to the mass ratio of 80%:10%: mixing 10% uniformly to obtain pseudo-ginseng seed strip seed dressing powder.
Example 2 preparation of seed dressing agent for seed strips of Notoginseng
Tetramycin powder preparation: uniformly mixing 0.3% (g/100 ml) tetramycin aqueous solution with 2000-mesh quartz sand according to a ratio of 1:1, and drying in the shade to prepare tetramycin powder.
Compounding tetramycin powder, 50% thiram and 50% captan according to the mass ratio of 60%:25%: mixing 15% to obtain seed dressing powder of Notoginseng seed strips.
Example 3 preparation of seed dressing agent for seed strips of Notoginseng
Tetramycin powder preparation: uniformly mixing 0.3% (g/100 ml) tetramycin aqueous solution with 2000-mesh quartz sand according to a ratio of 1:1, and drying in the shade to prepare tetramycin powder.
Compounding tetramycin powder, 50% thiram and 50% captan according to the mass ratio of 50%:30%: mixing 20% to obtain Notoginseng seed strip seed dressing powder.
Example 4 Effect of seed dressing agent on Notoginseng growth
Test grouping:
Experimental group: the healthy pseudo-ginseng seed strips and the pseudo-ginseng seed strip seed dressing agent (called four-powder Fuke for short) prepared in the embodiment 2 are added for a plurality of times in a small amount according to the dosage of 300 g/mu, and are stirred in a rolling way;
Fuke group pseudo-ginseng seed strip treatment: according to 50% thiram wettable powder: 50% captan wettable powder with the mass ratio of 5:3, uniformly mixing (for short, fuke), namely adding healthy pseudo-ginseng seed strips and Fuke according to the dosage of 300 g/mu, and stirring in a rolling way for a plurality of times;
negative control group: the healthy pseudo-ginseng seed strips are not subjected to any treatment.
Four replicates were set for each set of treatments; each duplicate cell area is 1.2m x 5m.
The test method comprises the following steps:
the seeds are planted on the base for 12 months, and the planting specification of the seed strips is 10cm x 15cm. The seedlings of the pseudo-ginseng are aligned in 3-4 months of the next year, and the investigation of the emergence rate and the survival rate of the pseudo-ginseng and the biomass is respectively carried out in the early harvest period of 11 months (the harvest of the biennial pseudo-ginseng is not carried out).
1) The emergence rate=the emergence plant number/seeding number is 100% by adopting a cell full coverage investigation mode to investigate the emergence and storage conditions of pseudo-ginseng.
2) The percent of seedlings stored = number of seedlings stored/number of seedlings emerged × 100%.
3) The biomass of the pseudo-ginseng is investigated by adopting a five-point sampling mode: cleaning Notoginseng radix, air drying, weighing fresh weight, oven drying to constant weight, and weighing dry weight.
Test results:
1) Emergence rate: the results are shown in Table 1, and the results show that the pseudo-ginseng seed strips can obviously improve the pseudo-ginseng emergence rate after being treated, wherein the pseudo-ginseng emergence rate of four-powder Fock treatment (90.29%) is obviously higher than that of Yu Fuke group (81.52%) and negative control group (58.56%).
2) Seedling storage rate: the results are shown in Table 1, and the results show that the seed storage rate of the pseudo-ginseng seed strips treated by the four-powder Fuke seed dressing is 89.57 percent, which is obviously superior to that of a negative control group, but has no obvious difference with the Fuke group.
3) Biomass: the dry fresh weight is shown in Table 1, and the result shows that the dry fresh weight of the overground part and the underground part of the pseudo-ginseng can be obviously improved after the pseudo-ginseng seed strip is subjected to four-powder Fuke seed dressing treatment, and especially the fresh weight and the dry weight of the underground part are obviously better than those of Fuke groups. The results show that the tetramycin and the thiram and the captan have obvious synergistic effect in the aspect of the pseudo-ginseng seed dressing agent.
TABLE 1
This disclosure merely illustrates some embodiments of the claimed subject matter, wherein one or more of the features recited in the claims may be combined with any one or more of the features, and such combined features are also within the scope of the present disclosure, as if such combined features were specifically recited in the present disclosure.
Claims (6)
1. A seed dressing agent for pseudo-ginseng seed strips, which comprises: tetramycin powder, thiram and captan; the mass ratio of the tetramycin powder to the thiram to the captan is 50-70%:20-30%:10-20%.
2. The pseudo-ginseng seed strip seed dressing agent according to claim 1, wherein the mass ratio of tetramycin powder, thiram and captan is 60%:25%:15%.
3. The seed dressing agent for pseudo-ginseng seed stripes according to any one of claims 1 to 2, wherein tetramycin powder is prepared by uniformly mixing 0.3% (g/100 ml) tetramycin aqueous solution with 2000 mesh quartz sand in a ratio of 1:1 and drying in the shade.
4. The pseudo-ginseng seed stripe seed-dressing agent according to any one of claims 1-2, wherein the thiram is 50% by weight of thiram wettable powder and the captan is 50% by weight of captan wettable powder.
5. A method for using the pseudo-ginseng seed tape seed dressing agent according to any one of claims 1-2 for pseudo-ginseng cultivation, comprising the steps of:
(1) Compounding tetramycin powder, thiram and captan, and uniformly mixing according to a proportion to obtain pseudo-ginseng seed-dressing powder;
(2) Mixing healthy pseudo-ginseng seed strips and pseudo-ginseng seed strip seed dressing powder according to the dosage of 300 g/mu, adding a small amount of the seed dressing powder for multiple times, and stirring in a rolling way;
(3) Transplanting the pseudo-ginseng seed strips subjected to seed dressing treatment immediately and covering soil.
6. Use of the seed dressing agent for pseudo-ginseng seeds according to any one of claims 1-2 in pseudo-ginseng planting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211577569.5A CN115812727B (en) | 2022-12-05 | 2022-12-05 | Pseudo-ginseng seed strip seed dressing agent and method for improving pseudo-ginseng seed storage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211577569.5A CN115812727B (en) | 2022-12-05 | 2022-12-05 | Pseudo-ginseng seed strip seed dressing agent and method for improving pseudo-ginseng seed storage |
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| CN115812727A CN115812727A (en) | 2023-03-21 |
| CN115812727B true CN115812727B (en) | 2024-05-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103583532A (en) * | 2013-11-26 | 2014-02-19 | 辽宁微科生物工程有限公司 | Tetramycin complex and application |
| CN106068777A (en) * | 2016-07-29 | 2016-11-09 | 云南农业大学 | A kind of Radix Notoginseng seed bar processing method improving Radix Notoginseng survival rate |
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2022
- 2022-12-05 CN CN202211577569.5A patent/CN115812727B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103583532A (en) * | 2013-11-26 | 2014-02-19 | 辽宁微科生物工程有限公司 | Tetramycin complex and application |
| CN106068777A (en) * | 2016-07-29 | 2016-11-09 | 云南农业大学 | A kind of Radix Notoginseng seed bar processing method improving Radix Notoginseng survival rate |
Non-Patent Citations (2)
| Title |
|---|
| 三七主要病害及其防治策略;张连娟;高月;董林林;尉广飞;杨娟;陈军文;沙本才;;世界科学技术-中医药现代化(第10期);全文 * |
| 克菌丹、福美双拌种防治小麦根腐病 保苗增产效果好;辛惠普;高广联;;中国农垦(第01期);全文 * |
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