Method for prolonging flowering period of rape
A technology of rapeseed and flat-head stage, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve problems such as unsatisfactory technical means, and achieve the effects of increased income from flower viewing, low price, and extended flower viewing period
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Embodiment 1
[0020] The choice of solution spraying period. We have carried out a preliminary test, and carried out tribenuron-methyl (5.0mg vs. 15 liters of water, i.e. concentration is 0.34mg / L) spraying process, finds that the growth of oilseed rape is handled in budding stage and has certain inhibitory effect, and the florescence and contrast (untreated) after initial flowering stage spraying do not have However, it was found that the flowering period of rapeseed was significantly prolonged after treatment at the flat head stage (Table 1). Therefore, it is chosen to spray in the flat head period.
[0021] Table 1 Tribesulfuron-methyl solution sprayed at different development stages
[0022] development period deal with Early flowering final flowering period Flowering days (d) Extended days of flowering period (d) budding period Do not spray (CK) 3 / 20 4 / 16 26 spraying 3 / 28 4 / 18 21 -5 flat head period Do not spray (CK) 3 / 20 4 / 16 26 ...
Embodiment 2
[0024] So for two consecutive years, detailed tests were carried out at the Rapeseed Blossom Scenic Area Base in Gaochun District, Nanjing City, and Qianduo Town, Xinghua City, Jiangsu Province to prove the effectiveness of this technology. Ningza 1818 and Ruiyou 501 were used as materials in the experiment. Choose tribenuron-methyl as the exogenous treatment substance, set four different spraying concentrations, respectively 0mg (control CK), 2.5mg (K1), 5.0mg (K2), 10mg (K3) and 15mg (K4) mixed with water 15 liter as a spray solution, the concentrations are 0mg / L (CK), 0.17mg / L (K1), 0.34mg / L (K2), 0.67 mg / L (K3), 1mg / L (K4). Set the number of times of spraying to process simultaneously, two processes, be respectively to process once (spray once in flat head stage, L1) and process twice (spray once in flat head stage and repeat spraying once 7 days later, L2). The test is a large-scale test, without repetition, and each treatment is 300m 2 , according to each mu of land (6...
Embodiment 3
[0033] In order to further verify the practicability and effect of the method of the present invention, we conducted small-scale and small-scale experiments in Gaochun, Nanjing and Baima Lake Rapeseed Flower Scenic Spots in Huai'an in 2020, planting 20 mu of Ningza 1818 rapeseed varieties, and dividing them into two plots. Each piece of land is about 10 mu. Spray tribenuron-methyl agent (10.0mg mixed with water 15 liters, that is, the concentration is 0.67mg / L) in the flat head stage of each annual rapeseed, and spray according to the volume of two barrels of agent per mu (that is, two 15 liters) apply. Spray according to the double method, that is, after spraying once in the flat head stage, spray again according to the same amount a week later. Then record the flowering date of rapeseed, and obtain the results as shown in Table 3.
[0034] Table 3 Effects of different treatments on flowering period of two rapeseed varieties
[0035]
[0036] It can be seen from Table 3...
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