A leaf pruning device for seedling raising of flue-cured tobacco

Abstract

The application relates to the tobacco seedling breeding technical field, and particularly discloses a leaf cutting device for tobacco seedling raising, which comprises a lifting flat plate arranged on a floating seedling raising tray; a plurality of insertion holes are linearly arranged along the length direction and the width direction of the lifting flat plate; a leaf cutting cover is inserted into the insertion holes and is provided with a seedling emergence hole along the axial direction of the leaf cutting cover; wherein, tobacco seedlings pass through the insertion holes and the leaf cutting cover and extend out of the seedling emergence hole, and the leaf cutting cover is in the shape of a circular truncated cone with a large bottom diameter and a small top diameter. In the application, the circular truncated cone-shaped leaf cutting cover corresponds to the seedling raising hole one by one, the stems of the tobacco seedlings can pass through the leaf cutting cover and extend out of the seedling emergence hole during growth, and the normal growth of the tobacco seedlings is ensured. When the tobacco seedlings grow to a proper size, the top of the leaf cutting cover is driven by the lifting flat plate to generate a shearing force on the lower leaves and the cotyledon of the tobacco seedlings, so that the leaves are forcibly cut off, thereby solving the problem that the lower leaves and the cotyledon of the tobacco seedlings cannot be cut off by traditional mechanical leaf cutting, and the problem of increased redundant nutrient consumption is solved.

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