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The invention relates to a technology of pecan shell and cultivation method, which is applied in the field of pecan shell cultivating, and can solve the problems of low seed germination rate, slow growth of seedlings, difficulty in raising seedlings, etc., and achieve the effects of improving germination rate and improving survival rate.
Inactive Publication Date: 2015-09-23
YONGSHENG CHENGHAI MAOYUAN AGRI DEV CO LTD
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Problems solved by technology
Because of its low seed germination rate and slow growth of seedlings, it is d
Method used
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[0017] Example 1
[0018] A method for cultivating pecans, comprising the following steps:
[0019] (1) Cultivation of rootstock seedlings: pecan seeds were sown on the nursery ground in spring, soaked in a mixed solution of 300mg / LN-dimethylaminosuccinamide, 150mg / L gibberellin and 50mg / L naphthalene acetic acid for 30min before sowing, and the seeds were soaked for 30 minutes. Seedling management is carried out after bud breakage and emergence; the germination rate reaches 65.36%;
[0020] (2) Rootstock seedling management before grafting: when the seedling height is 5cm, the seedlings are fixed, the excess buds are removed, and the seedling height is 20cm, and the thickness is increased;
[0021] (3) Grafting time: the average daily temperature reaches 25-30℃, before the rainy season, in early July;
[0022] (4) Grafting method: collect the lignified or semi-lignified annual branches with robust growth and development as scion branches, remove compound leaves, leave 2cm l...
Example Embodiment
[0024] Example 2
[0025] A method for cultivating pecans, comprising the following steps:
[0026] (1) Cultivation of rootstock seedlings: pecan seeds were sown on the nursery ground in spring, soaked in a mixed solution of 300mg / LN-dimethylaminosuccinamide, 150mg / L gibberellin and 50mg / L naphthalene acetic acid for 30min before sowing, and the seeds were soaked for 30 minutes. Seedling management is carried out after bud breakage and emergence; the germination rate reaches 66.12%;
[0027] (2) Rootstock seedling management before grafting: when the seedling height is 5cm, the seedlings are fixed, the excess buds are removed, and the seedling height is 20cm, and the thickness is increased;
[0028] (3) Grafting time: the average daily temperature reaches 25-30 °C, before the rainy season, in mid-June;
[0029] (4) Grafting method: collect the lignified or semi-lignified annual branches with robust growth and development as scion branches, remove compound leaves, leave 3cm l...
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Abstract
The present invention provides a cultivating method for pecans, comprising the following steps of: (1) cultivation of rootstock seedlings; (2) management of the rootstock seedlings before grafting; (3) grafting time: grafting is performed when the daily average temperature is 25-30 DEG C and before the rainy season comes; (4) the grafting method: collecting thriving ligneous or semi-ligneous branches born in the current year as scion branches, removing compound leaves, keeping petioles which are 2-3 cm long, and soaking the petioles in water for 6-12 h; transversely cutting the upper and lower parts of a grafting bud, and vertically cutting the two sides of the grafting bud, so that the transverse cuttings are connected to the vertical cuttings, and the bud slice is slightly peeled; selecting a smooth surface 12-17 cm above the ground on the rootstock, peeling a piece of bark as large as the bud slice off the rootstock by using the same method, rapidly attaching the grafting bud to the place where the bark is peeled off, binding the grafting bud and the rootstock tight from bottom to top with a plastic strip, keeping 1-3 leaves above the connecting part on the rootstock and performing pruning, and removing all the leaves below the connecting part; and (5) management of grafted seedlings. The cultivating method increases the germination rate of pecans; and in addition, the grafted seedlings are high in survival rate, strong in growth potential and high in seedling rate, and the seedlings grow in an orderly and consistent manner and have developed root systems.
Description
technical field [0001] The invention relates to the technical field of fruit tree planting, in particular to a method for cultivating pecans with thin shells. Background technique [0002] Walnut is an important dried fruit tree species, which has high nutritional value and has high medical and health care functions. Its dried fruit or processed products are in short supply and have been loved by people for a long time. Thin-shell pecan (Carya illinoinensis (Wangenh.) K. Koch) is called American pecan. The trunk is straight, the crown is nearly broad and oval, the root system is developed, and it is resistant to water and humidity. It can be planted alone or clustered on lakesides, lawns, etc. It is suitable for garden shade trees and street trees. The urban and rural afforestation tree species and fruit material dual-use tree species can be used to build large economic forests on both sides of the Yangtze River in Jiangsu Province. The kernels are edible, and the deliciou...
Claims
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