Method for efficiently controlling grain sorghum plant height
A plant height and sorghum technology, applied in the field of high-efficiency control of grain sorghum plant height, can solve the problems of sorghum plant height and inability to apply mechanical harvesting, and achieve the effects of increasing efficiency, reducing labor intensity, and increasing enthusiasm for brewing enterprises
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Embodiment 1
[0018] A method for efficiently controlling the plant height of grain sorghum, spraying commercially available ethephon with an original concentration of 40g / 100ml when the sorghum grows to 100cm (meaning that the concentration of ethephon in the growth regulator is 40g / 100ml) , and dilute the volume of ethephon 200 times; the planting density of sorghum is 150000 plants / hm 2 , sorghum was planted with a row spacing of 40 cm, and the others were managed in the field in a conventional manner.
[0019] Planting sorghum in this way, the height of the sorghum plant is less than 150cm when harvested, and the yield is greater than 9000kg / hm 2 , effectively controlling the plant height of sorghum, making it suitable for mechanized harvesting without reducing the yield of sorghum.
Embodiment 2
[0021] A method for efficiently controlling the height of grain sorghum plants, when the sorghum grows to 60cm, spraying the ethephon with an original concentration of 40g / 100ml (referring to the concentration of ethephon in this growth regulator is 40g / 100ml), and The volume of ethephon is diluted 400 times; the planting density of sorghum is 120,000 plants / hm 2 , sorghum was planted with a row spacing of 40 cm, and the others were managed in the field in a conventional manner.
[0022] Planting sorghum in this way, the height of the sorghum plant is less than 160cm when harvested, and the yield is greater than 9500kg / hm 2 , effectively controlling the plant height of sorghum, making it suitable for mechanized harvesting without reducing the yield of sorghum.
Embodiment 3
[0024] A method for efficiently controlling the plant height of grain sorghum, when the sorghum grows to 100cm, the commercially available original concentration of spraying is 50g / 100ml of chlormequat (meaning that the concentration of chlormequat in this growth regulator is 50g / 100ml) 100ml), and dilute the volume of chlormequat 250 times; the planting density of sorghum is 100000 plants / hm 2 , sorghum was planted with a row spacing of 40 cm, and the others were managed in the field in a conventional manner.
[0025] Planting sorghum in this way, the height of the sorghum plant is less than 160cm when harvested, and the yield is greater than 9000kg / hm 2 , effectively controlling the plant height of sorghum, making it suitable for mechanized harvesting without reducing the yield of sorghum.
[0026] The following is an example of specific experimental data to illustrate the effects of different growth regulators, different concentrations of growth regulators and different co...
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