A kind of leaf vegetables sweet potato sprout seedling-cultivating method
Technical field
The present invention relates to a kind of seedling-cultivating method, particularly a kind of leaf vegetables sweet potato sprout seedling-cultivating method, belongs to field of plant growing technology.
Background technology
In prior art, the overwhelming majority utilized in agricultural production and scientific research is plain edition sweet potato variety, although its stem apex is also edible, because food flavor is pained, quality is aging waits deficiency, is difficult to eat; And edible-type vine-vegetable sweetpotato is a kind of novel nourishing, health care, delicious green vegetables; Edible-type leaf vegetables sweet potato refers to that below Sweet potato stem growing point about 15cm children young stem and leaf is used as the special use sweetpotatos of vegetables, have quality fresh and tender, without the kind of the feature such as bitter taste, good palatability; Main feature: (1) natural green safety, sweet potato self has very strong natural resistant to diseases and insects, and cauline leaf seldom endangers by sick worm, and field, generally without the need to spraying any agricultural chemicals, is real, optimal nuisanceless green vegetables; (2) food therapy health effect is given prominence to.Sweet potato stem tip belongs to physiological alkalinity food, containing multiple special chemical compositions such as mucus albumen, dietary fiber, active polysaccharide, class female sex hormone; Have and regulate human acid-base balance, improve immunity, stimulate digestion, vision protection, skin maintenance, delay senility, reduce blood sugar, promote Cholesterol Excretion, prevent the health-care efficacies such as cardiovascular fat deposition, be described as functional food, health food.There is obvious antitumaous effect simultaneously; (3) food flavor delicate fragrance is unique, sweet potato stem tip is fried, cold and dressed with sauce, do the multiple food methods such as soup, fresh and tender tasty and refreshing, delicate fragrance is pleasant, likeness in form water spinach, other tool local flavor, similar natural edible wild herbs; (4) nutrition is extremely abundant, compared with the Common Vegetables such as spinach, rape, caraway, Chinese toon, crowndaisy chrysanthemum, fennel, water spinach, cucumber, sponge gourd, wax gourd, pumpkin, eggplant, carrot, tomato, the nutrient component such as protein, fat, vitamin C, B2, calcium, selenium, iron, lysine of sweet potato stem tip all occupies first.Therefore, leaf vegetables sweet potato stem tip is welcome especially, in luxurious hotel, restaurant as high-grade vegetables, in prior art, because leaf vegetables sweet potato variety is very rare, sweet potato stem tip production and processing industry development is seriously delayed, cause sweet potato stem tip on market expensive, supply falls short of demand; Edible-type leaf vegetables sweet potato, as a kind of novel vegetable, has extraordinary development prospect in application aspect, especially 8 ~ September vegetable variety gap between generations season, sweet potato stem tip, as a kind of supplementary vegetable species of excellent in taste, is received by the market; Edible-type leaf vegetables sweet potato standardized planting, processing and utilization and market sale research, to raising this area overall efficiency of agriculture, increase farmers' income, enrich vegetable variety and have great importance; And due to its seedling-cultivating method more complicated of edible-type leaf vegetables sweet potato, adopt existing sweet potato seedling-cultivating method survival rate lower.
Summary of the invention
(1) technical problem that will solve
For solving the problem, the present invention proposes a kind of leaf vegetables sweet potato sprout seedling-cultivating method, it carries out nursery for leaf vegetables sweet potato, and ensures, in small size situation, can reach large area nursery effect.
(2) technical scheme
Leaf vegetables sweet potato sprout seedling-cultivating method of the present invention, described method comprises the steps:
The first step, female rattan prepares, and can adopt sweet potato hibernation seedling method and potato rattan hibernation seedling method;
Second step, female rattan is screened and cuts rattan, selects disease-free and that cauline leaf is full female rattan; And the removal of the head of female rattan is no less than 4 length of blade, 3 length of blade no more than between its afterbody to its sweet potato are tiltedly cut;
3rd step, nursery pre-incubation, puts into fine sand layer carry out pre-incubation by completing female rattan of cutting rattan; In pre-incubation process, by its cauline leaf upward, and its sandy soil cover female rattan upper surface; And add dropper and carry out intermittent water; Its pre-incubation time is no less than a week;
4th step, cuts seedling, is taken out by the female rattan completing pre-nursery, and carries out cutting according to leaf seedling; In cutting process, seedling is tiltedly cut near afterbody one end, carries out straight snips near head one end;
5th step, cuttage, tiltedly cuts one end cuttage to planting site by seedling, complete nursery and prepare.
Further, described sweet potato hibernation seedling method is specific as follows: the sweet potato of being gathered in the crops autumn, by storage, is planted in spring and cultivates potato rattan, then is cut by potato rattan and be cut into rattan segment cuttage and breed into sweet potato seedling.
Further, described potato rattan hibernation seedling method is specific as follows: potato rattan hibernation seedling method the potato rattan that autumn gathers in the crops is left to the 2nd year make sweet potato seedling.
The first step, cuts rattan, in the fall after sweet potato rewarding, selects free of frost, disease-free healthy and strong potato rattan, removes blade, cut off head;
Second step, forced dormancy, the An Feitelin solution potato rattan sheared being put into concentration 0.5% soaks two minutes, takes out and dries surface moisture;
3rd step, sieve is husky, by common yellow sand screen filtration, removes bulky grain sand and impurity, watering, and humidity is unclamped after clutching with sand and can be scattered for degree
4th step, husky hides, and first digs pit on ground, long and does not widely limit, the degree of depth 1.2 meters; Then adopted by potato rattan the method for one deck rattan one deck sand to keep flat in hole, between rattan, stay the gap of 1 centimetre; Every layer of husky thickness is no less than 3 centimetres, and most last layer is husky is thickly no less than 15 centimetres, in its surface cover with plastic film, and the area that frost is heavy, stalks mulching or straw screen or mat again on film; To sweet potato plantation time spring in next year, potato rattan is tripped out and carries out nursery pre-incubation.
Beneficial effect
Compared with prior art, leaf vegetables sweet potato sprout seedling-cultivating method of the present invention, it carries out nursery for leaf vegetables sweet potato, and ensures, in small size situation, can reach large area nursery effect.
Embodiment
Leaf vegetables sweet potato sprout seedling-cultivating method of the present invention, described method comprises the steps:
The first step, female rattan prepares, and can adopt sweet potato hibernation seedling method and potato rattan hibernation seedling method;
Second step, female rattan is screened and cuts rattan, selects disease-free and that cauline leaf is full female rattan; And the removal of the head of female rattan is no less than 4 length of blade, 3 length of blade no more than between its afterbody to its sweet potato are tiltedly cut;
3rd step, nursery pre-incubation, puts into fine sand layer carry out pre-incubation by completing female rattan of cutting rattan; In pre-incubation process, by its cauline leaf upward, and its sandy soil cover female rattan upper surface; And add dropper and carry out intermittent water; Its pre-incubation time is no less than a week;
4th step, cuts seedling, is taken out by the female rattan completing pre-nursery, and carries out cutting according to leaf seedling; In cutting process, seedling is tiltedly cut near afterbody one end, carries out straight snips near head one end;
5th step, cuttage, tiltedly cuts one end cuttage to planting site by seedling, complete nursery and prepare.
Further, described sweet potato hibernation seedling method is specific as follows: the sweet potato of being gathered in the crops autumn, by storage, is planted in spring and cultivates potato rattan, then is cut by potato rattan and be cut into rattan segment cuttage and breed into sweet potato seedling.
Further, described potato rattan hibernation seedling method is specific as follows: potato rattan hibernation seedling method the potato rattan that autumn gathers in the crops is left to the 2nd year make sweet potato seedling.
The first step, cuts rattan, in the fall after sweet potato rewarding, selects free of frost, disease-free healthy and strong potato rattan, removes blade, cut off head;
Second step, forced dormancy, the An Feitelin solution potato rattan sheared being put into concentration 0.5% soaks two minutes, takes out and dries surface moisture;
3rd step, sieve is husky, by common yellow sand screen filtration, removes bulky grain sand and impurity, watering, and humidity is unclamped after clutching with sand and can be scattered for degree
4th step, husky hides, and first digs pit on ground, long and does not widely limit, the degree of depth 1.2 meters; Then adopted by potato rattan the method for one deck rattan one deck sand to keep flat in hole, between rattan, stay the gap of 1 centimetre; Every layer of husky thickness is no less than 3 centimetres, and most last layer is husky is thickly no less than 15 centimetres, in its surface cover with plastic film, and the area that frost is heavy, stalks mulching or straw screen or mat again on film; To sweet potato plantation time spring in next year, potato rattan is tripped out and carries out nursery pre-incubation.
Leaf vegetables sweet potato sprout seedling-cultivating method of the present invention, makes to carry out root germination between its leaf stubble by nursery pre-incubation, then directly can carry out leaf one seedling, both ensure that survival rate, also ensure that output, it ensures, in small size situation, can reach large area nursery effect.
Embodiment recited above is only be described the preferred embodiment of the present invention, not limits the spirit and scope of the present invention.Under the prerequisite not departing from design concept of the present invention, the various modification that this area ordinary person makes technical scheme of the present invention and improvement, all should drop into protection scope of the present invention, and the technology contents of request protection of the present invention, all records.