Emasculation hybridization method for sorghum
A hybridization method and technology for sorghum, applied in the fields of botanical equipment and methods, plant genetic improvement, animal repellent, etc., can solve the problems of low success rate of sorghum emasculation and low seed setting rate, and achieve the improvement of emasculation rate and emasculation. The effect of increasing the success rate and avoiding pollution
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Embodiment 1
[0020] A sorghum emasculation hybridization method includes the following steps:
[0021] S1: On the day before emasculation, select sorghum plants that are growing well and entering the flowering period, remove the flowering spikelets and late-developing branches from the female sorghum ears, and leave the branches that are about to bloom in the middle and upper parts, and comb them For spikelets that are too dense in the middle and upper part, complete one whole ear processing of sorghum;
[0022] S2: Put the female sorghum ears from the whole ear into a transparent plastic bag containing detasseling liquid, and the tip of the ear is about 5cm away from the level of the detasseling liquid in the bag, and the plastic bag is fastened tightly to the ear On the rod, overnight; the castration solution includes the following components in a concentration ratio: ethephon 0.1g / L, gibberellin 0.25mg / L, tribenuron 0.01mg / L, and the solvent of the castration solution is acetone and water. ...
Embodiment 2
[0026] A sorghum emasculation hybridization method includes the following steps:
[0027] S1: On the day before emasculation, select sorghum plants that are growing well and entering the flowering period, remove the flowering spikelets and late-developing branches from the female sorghum ears, and leave the branches that are about to bloom in the middle and upper parts, and comb them For spikelets that are too dense in the middle and upper part, complete one whole ear processing of sorghum;
[0028] S2: Put the sorghum female parent ears after a whole ear into a transparent plastic bag containing detasseling liquid. The distance between the tip of the ear and the level of the detasseling liquid in the bag is about 4cm, and the plastic bag is fastened tightly on the ear. On the rod, overnight; the castration solution includes the following components in a concentration ratio: ethephon 0.05g / L, gibberellin 0.3mg / L, tribenuron 0.005mg / L, the solvent of castration solution is acetone a...
Embodiment 3
[0032] A sorghum emasculation hybridization method includes the following steps:
[0033] S1: On the day before emasculation, select sorghum plants that are growing well and entering the flowering period, remove the flowering spikelets and late-developing branches from the female sorghum ears, and leave the branches that are about to bloom in the middle and upper parts, and comb them For spikelets that are too dense in the middle and upper part, complete one whole ear processing of sorghum;
[0034] S2: Put the female sorghum ears from the whole ear into a transparent plastic bag containing detasseling liquid, and the distance between the tip of the ear and the level of the detasseling liquid in the bag shall be about 6cm, and the plastic bag should be fastened tightly on the ear On the rod, overnight; the castration solution includes the following components in a concentration ratio: ethephon 0.15 / L, gibberellin 0.2mg / L, tribenuron 0.015mg / L, the solvent of the castration solution...
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