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A kind of rapeseed germination inhibitor and application thereof
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A technology of inhibitors and seeds, applied in the fields of application, biocide, animal repellent, etc., can solve the problems of seed germination, continuous rain, and inability to harvest in time in siliques, and achieve the effect of improving germination and reducing water content
Inactive Publication Date: 2018-10-30
INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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[0006] The purpose of the present invention is to provide a rapeseed embryo germination inhibitor, which solves the problem that the rapeseed often encounters continuous rain during the harvest season, and the water content of the seeds in the siliques is too high and cannot be harvested in time, which leads to the germination of the seeds in the siliques. The components of the rapeseed germination inhibitor in the invention include diquat (1,1'-ethylene-2,2'-bipyridine dibromide), abscisic acid, Triton X-100 and sodium chloride
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Embodiment 1
[0033] A kind of rapeseed fetal germination inhibitor, it is made of the raw material of following weight parts
[0034]
[0035] The preparation method of above-mentioned rapeseed embryo germination inhibitor, its steps are:
[0036] A, diquat: 20% aqueous solution (20g / 100mL), commercially available product;
[0037] B. ABA: solid powder, a commercially available product, prepare mother liquor 10g / L, weigh 1g of ABA powder, dissolve it with 10mL of absolute ethanol, then dilute to 100mL with deionized water, store the brown bottle in a cool place away from light ;
[0039] D, sodium chloride: solid powder, commercially available product;
[0040]Add 5 mL of diquat to 1 L of water, add 5 mL of the above-mentioned ABA mother solution, 2 mL of Triton X-1000, and 10 g of sodium chloride, and mix well.
Embodiment 2-8
[0042] A kind of rapeseed fetal germination inhibitor, it is made of the raw material of following weight parts
[0043]
Embodiment 9
[0045] A kind of application of rapeseed fetal germination inhibitor in hybrid combination H139 (in Huangmei County, Hubei Province), its steps are:
[0046] 1. Screen the appropriate concentration of diquat and ABA
[0047] (1) Sowing in late September 2012, the area of the test plot was 0.1 mu (about 33 square meters, excluding ditches and walkways), the experiment was arranged in random blocks, and the treatments were as follows, including spraying different concentrations of diquat (0.1 g / L, 0.5g / L, 1.0g / L, 2g / L, 5g / L) and including spraying different concentrations of ABA (5mg / L, 25mg / L, 50mg / L, 100mg / L, 500mg / L L), the specific formula is shown in Table 1, and each treatment is set to repeat in 3 plots. 0.5 meters for walkways between small areas, and 0.7 meters for walkways between repeats. Live planting, thinning after emergence, with a density of 20,000 to 25,000 plants per mu. The test field requires flat ground, uniform soil fertility, no shade around, convenie...
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Abstract
The invention discloses a rape seed vivipary inhibitor and application thereof. The rape seed vivipary inhibitor is prepared from aquacide, abscisic acid, triton X-100, sodium chloride and water according to a certain proportion. When rape silique grows to the yellow ripening stage (the silique in the middle part of the main inflorescence starts to change the color), in the non-rainy days, the inhibitor is uniformly sprayed onto the surface of the rape silique; the spraying application quantity is 20 to 30 L per mu. A great number of field tests prove that compared with the single use of aquacade or ABA, the aquacade and the ABA are used in a combined way for inhibiting the rape seed vivipary; the seed moisture content can be effectively reduced; in addition, the seed dormancy state can be stably maintained in cloudy and rainy seasons; the problem that seeds easily germinate in the vivipary in cloudy and rainy days is solved.
Description
technical field [0001] The invention belongs to the field of rapeseed production, and in particular relates to an inhibitor of rapeseed embryogenesis, and also relates to the application of the inhibitor in inhibiting rapeseed embryogenesis. Background technique [0002] Preharvest sprouting (PHS), also known as seed vivipary, is a worldwide disaster that mainly occurs in areas with a lot of rainfall during the crop harvest season (Xiao Shihe, Run Changsheng, Zhang Haiping, etc. Wheat ear germination Research, Beijing: China Agricultural Science and Technology Press, 2004). The phenomenon of seed germination has been found in many plants. As early as the beginning of this century, foreign countries began to notice the phenomenon of seed germination on corn seeds, and later on plants such as mangrove, rice, wheat, oats, kidney beans, Ethiopian thaliana, tomato and Arabidopsis have reported this aspect. (Hu Weimin, Ma Huasheng, Fan Longjiang, etc. Germination characteristics...
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