Method for reducing content of nitrosamine in flue-cured tobacco
A technology of nitrosamine content, applied in botany equipment and methods, tobacco cultivation, gardening, etc., can solve the problems of poor effect, slow effect, high cost, etc., achieve good grafting affinity, strong growth potential, and prevent rooting Effect
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[0034] Example one:
[0035] A method for reducing the content of nitrosamines in flue-cured tobacco, which includes the following process steps:
[0036] 1. Planting
[0037] (1) Choose rootstock and scion: Use Solanum torvum Swartz as the rootstock and tobacco crop as the scion. In this embodiment, Yunyan 87 is used as the scion.
[0038] (2) Seedling raising: sowing the rootstock seeds and scion seeds to raise seedlings. When the eggplant rootstock seedlings grow to 5-6 true leaves and the tobacco seedlings grow to 5-6 true leaves, take out the eggplant rootstock seedlings and tobacco seedlings for grafting; Rootstock seeds are sown 25-30 days earlier than scion seeds.
[0039] (3) Grafting: Choose a cool day or a cloudy day, the grafting temperature is 20℃~25℃, and the air humidity during grafting is above 45%;
[0040] Cut the eggplant rootstock 9cm to 12cm from the root horizontally, remove the upper growth point, use a blade to split the stem axis of the eggplant rootstock down ...
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