Regulator, method and application for enhancing root growth activity of transplanted peanut seedlings
A technology for root growth and regulators, applied in the directions of plant growth regulators, plant growth regulators, botanical equipment and methods, etc., can solve the problems of less than 40%, affect the yield in the later period, and die of transplanted seedlings, so as to improve the growth rate. and vigor, improve peanut yield, and ensure the effect of transplanting quality
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Embodiment 1
[0024] Example 1: Experimental Research on the Optimum Retention Length of Seedling Roots During Peanut Transplanting
[0025] In order to clarify the effect of root injury during transplanting on the root growth of peanut seedlings after transplanting, and to further determine the appropriate root length for peanut transplanting, the main root length retention experiments of 2.5, 5, 10 and 15 cm were carried out respectively. The treatments were used as controls, and the tested peanut varieties were Qinghua No. 6 and Qinghua No. 7. The main findings are as follows:
[0026] As can be seen from the statistical results of the tests in Table 1 and Table 2, although the fresh weight, surface area and volume of the peanut roots under each root removal treatment after transplanting are all lower than CK (no transplanting treatment), the next level of lateral roots treated with 5 and 10 cm The number, dry weight of root system and average diameter of root system were significantly ...
Embodiment 2
[0033] Example 2: Experimental Research on the Best Somatoregulin for Peanut Transplanting
[0034] In order to effectively promote the growth of transplanted peanut seedlings, the present inventors treated three modulins, indole acetic acid (IAA), benzedramine (DPC) and gibberellin (GA), with 5 concentrations for each modulator. The tested peanut varieties were Qinghua No. 6 and Qinghua No. 7. Two gradients of 5 cm and 10 cm were set for the length of the transplanted root system. Sampling was taken 10 days after transplanting to investigate the root growth of transplanted peanut seedlings. The main findings are as follows:
[0035] When retaining 5cm and 10cm root systems, after the 3 kinds of regulators were treated, the effect was the best when treated with 100mg / L DPC. When the same variety was used, all root system indexes were significantly or extremely significantly higher than other treatments (Table 3, Table 4) . It can be seen that the treatment of peanuts with DP...
Embodiment 3
[0041] Example 3: Screening Experimental Research on Optimal Regulator Formula for Peanut Transplanting
[0042] On the basis of Example 2, in order to further verify the influence of DPC on the root vigor of transplanted peanut seedlings, and determine the optimal formula concentration, the present invention sets 5 treatment groups to study the influence of different regulator formulas on the root vigor of transplanted seedlings :
[0043] CK (blank control);
[0044] T1: DPC (DPC) 0.5g L -1 , ammonium nitrate 50g·L -1 , Potassium dihydrogen phosphate 50g·L -1 , Potassium nitrate 50g·L -1 , calcium oxide 20g·L -1 , boric acid 20g·L -1 , ferrous sulfate 20g·L -1 ;
[0045] T2: DPC (DPC) 1.0g L -1 , ammonium nitrate 80g·L -1 , Potassium dihydrogen phosphate 60g·L -1 , Potassium nitrate 50g·L -1 , calcium oxide 40g·L -1 , boric acid 30g·L -1 , ferrous sulfate 30g·L -1 ;
[0046] T3: DPC (DPC) 1.5g L -1 , ammonium nitrate 100g L -1 , Potassium dihydrogen phosphate...
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