Method for improving seed production efficiency of sponge gourd
A technology of loofah and efficiency is applied in the field of improving the efficiency of loofah seed production, which can solve the problems of increasing the difficulty of seedbed management, affecting the normal growth of loofah, affecting the pollination efficiency, etc., and achieves the effects of reducing the labor amount of hybridization, increasing the seed yield, and increasing the thousand-grain weight.
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Embodiment 1
[0039] Embodiment 1 (hybrid seed production)
[0040] 1) Sowing: The male parent 'Wuyexiang loofah' was sown in 50 holes on March 10, and the seedlings were raised by electric heating wire; the female parent 'Snake-shaped loofah' was sown in 50 holes on March 20, and the seedlings were raised by electric heating wire; On March 30, when the seedlings grew to 2 leaves, the male leaves were sprayed with gibberellin 1 time, divided into 5 treatment concentrations, namely spraying 0 (spraying clear water to make CK), 100, 200, 400 and 600ppm. The results showed that the 100ppm gibberellin treatment of the male parent had the best effect, which could promote the early flowering of male flowers for 4 days and increase the number of male flowers.
[0041] 2) Colonization: The male parent was colonized in the greenhouse on April 7, and the female parent was colonized in the greenhouse on April 17. The ratio of the parental parent was planted in the planting shed at a ratio of 1:20.
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Embodiment 2
[0059] Embodiment 2 (conventional seed production)
[0060] Sowing: The first sowing date was sowing in 50 holes on March 10, and the seedlings were raised by electric heating wires; To 2 leaves, the leaves were sprayed with gibberellin once, divided into 5 treatment concentrations, namely spraying 0 (spraying clear water to make CK), 100, 200, 400 and 600ppm. The results showed that the 100ppm gibberellin treatment had the best effect, which could promote the early flowering of male flowers for about 4 days and increase the number of male flowers.
[0061] 2) Colonization: The first sowing date was planted in the greenhouse on April 5, the second sowing date was planted in the greenhouse on April 10, and the first and second sowing dates were planted in the seed production shed at a ratio of 1:25.
[0062] 3) Preservation of pollen: From 16:30 to 17:30 the day before, pick off the male flower buds that will open at the first sowing date tomorrow, put them in a paper bag, spr...
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