Method for preventing freezing of overwintering cinnamomum bodinieri seedlings
A technology of nursery stock and monkey camphor tree, which is applied in the field of preventing the overwintering seedlings of monkey camphor seedlings from freezing damage, can solve the problems of insignificant antifreeze effect, and achieve the goals of improving cold resistance and frost resistance, controlling high growth, and enhancing cold resistance and frost resistance Effect
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Embodiment 1
[0021] A method for preventing overwintering seedlings of camphor camphora seedlings from direct seeding in the field from freezing damage, including two steps of controlling seedling height growth during late summer and early autumn and antifreezing treatment before frost. Spraying the overwintering seedlings of monkey camphor seedlings directly in the field with the mixed liquid of 0.2% chlormequat and 2% potassium dihydrogen phosphate for the first time. The purpose of this treatment is to control the high growth of seedlings and promote the lignification of seedlings. Form strong and full terminal buds; the second step is specifically: in the middle and late November, spray the overwintering seedlings of monkey camphor seedlings for the second time with a medicinal solution containing 0.0001% S-induced antibiotics in the field to improve the quality of overwintering seedlings. Intrinsic cold and frost resistance, and at the same time build a transparent plastic film shed be...
Embodiment 2
[0024] A method for preventing the overwintering of monkey camphor annual container seedlings from freezing damage, including two steps of controlling the growth of seedlings during late summer and early autumn and antifreezing treatment before frost. The mixed solution of % S-induced antibiotic and 1% potassium dihydrogen phosphate is sprayed for the first time on the annual container seedlings of monkey camphor. The purpose of this treatment is to control the high growth of seedlings, promote the lignification of seedlings, and form a strong and plump The second step is specifically: in the middle and late November, spray the annual container seedlings of Cinnamomum camphora live-seeded in the field for the second time with a medicinal solution containing 0.0005% S-induced antibiotics, so as to improve the intrinsic resistance of overwintering seedlings. Cold and frost resistance, at the same time, build a shed of transparent plastic film + straw curtains before frost, extern...
Embodiment 3
[0027] A method for preventing annual bagged container seedlings of Cinnamomum camphora from overwintering from freezing damage, including two steps of controlling seedling height growth during late summer and early autumn and antifreezing treatment before frost. The first step is specifically: cutting roots in mid-September The method is to control the absorption of water and nitrogen nutrients by the seedlings, and at the same time increase the application of potassium fertilizer in the first ten days of September, apply 15 kg of potassium chloride per mu, and spray the leaves with a 2% potassium dihydrogen phosphate solution by mass ratio, so that the seedlings can The concentration of cell fluid increases and the amount of dry matter increases. The second step is specifically as follows: in the middle and late November, the annual bagged container seedlings of monkey camphor camphora are sprayed for the second time with a medicinal solution containing 0.001% S-induced antib...
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