37results about How to "Many seedlings" patented technology

The invention discloses a method for promoting germination of low-position buds and growth of new root systems of ratoon sugarcane. The method includes: shoveling rhizome on the basis of ratoon sugarcane rhizome in-depth investigation, using a sugarcane rhizome shoveling machine to shovel rhizome of a ratoon sugarcane plantation after mechanical harvesting of sugarcane is completed, and maintaining underground sugarcane rhizome by 5-7cm after rhizome shoveling; for a ratoon sugarcane plantation where sugarcane is harvested manually, adopting a hoe to cut-harvest the sugarcane, and maintainingunderground sugarcane rhizome by 10-12cm after cut-harvesting to realize one-step completion of sugarcane cut-harvesting and rhizome shoveling; applying fertilizer and pesticide, earthing up, controlling ratoon sugarcane rhizome low-position buds to be distributed within a range of 10-15cm after earthing up, and performing whole film mulching. The method is advanced, practical, easy in operation and popularization and capable of effectively increasing ratoon sugarcane plant forming rate and yield and prolonging ratoon term.

The invention provides a method for aseptic sowing and seedling raising of phalaenopsis and rhynchostylis retusa distant hybridization seeds. Phalaenopsis serves as a female parent, rhynchostylis retusa serves as a male parent, hybrid pods are obtained through artificial pollination, and distant hybrid progeny populations are obtained through the steps of pod pretreatment, aseptic sowing of seeds,seed germination, protocorm proliferation and differentiation, strong seedling rooting, acclimatization and transplantation and other steps. The method has the advantages of high seed germination rate, large seedling-forming number, short seedling-forming time, good seedling quality and the like, and the problems that distant hybridization seeds are not easy to successfully germinate due to affinity and are extremely difficult to germinate under natural conditions, and seedlings are not easy to grow are solved. Therefore, a large number of seedlings can be obtained in a short period through an aseptic sowing and artificial propagation method, and a foundation is laid for breeding of phalaenopsis distant hybridization excellent varieties.

The invention discloses a method for obtaining multi-floral fireballs quickly and efficiently ( Scadoxus multiflorus subsp. multiflorus ) method of callus, specifically as follows: grab the corm of 3-4 years old multi-flowered fireball flower, select the stem section of 3-8cm from the top of the lateral rhizome and wash it, remove the 0.5-1cm long tip of the top stem section, and cut the remaining part Cut into 0.5-0.8cm-long sections as explants, and culture them in callus induction medium MS+2.4-D 0.45-0.48 mg / L+NAA 0.05-0.08 mg / L to obtain callus. Compared with division propagation and sowing propagation, the method has the advantages of not destroying the mother plant, producing many seedlings at one time, easy large-scale production, etc., and is suitable for mass propagation.

The invention relates to a hybrid hazel seedling-breeding method. A sandy loam land is chosen for breeding, and the plant and the row spacings are 0.8m to 1m multiplied by 2.2m to 2.8m. 45-angle oblique layering is carried out, the angles of seedlings are adjusted to 45 to 0 degree relative the ground according to the growth of the seedlings after sprouts emerge on the backs of the seedlings, andif the front young sprouts are higher than the rear young sprouts, then the front young sprouts are lowered, or else are raised. Meanwhile, shallow burying is adopted to treat root systems, and pinching is carried out once every ten days in late June and early July in the year of planting. Pruning and cutting are carried out to induce root shoots. After seedling-breeding seed trees are pruned, the trunks are 1m high, and thirty growing points are left over. The ratio of the lower basal young sprouts to the upper emerging young sprouts is 1:1. When basal branches are grown to 50cm to 60cm high, leaves which are less than 25cm are rooted out, so that related cuts are produced. Rusted iron wires are used for transversely constricting basal roots 1cm away from the ground, and rooting agent issprayed on the transversely constricted parts. Soil is used as seedling-raising substrate, and soil conditioner is sprayed. The seedlings are packaged in plastic films filled up with wet material andloaded into cartons. The hybrid hazel seedling-breeding method has the advantages that: a number of seedlings can be raised in a unit area, the quality is high, the oblique layering technique is advanced, the hybrid hazel seedling-breeding method is suitable for breeding in a large area, and the cost is low.

The invention discloses an efficient seedbed breeding method of lump seed yams and belongs to the technical field of seedling breeding. The efficient seedbed breeding method includes the steps of selecting lump seed yams without damage caused by diseases and pests and dicing according to normal sowing requirements, performing protective treatment on the cut surfaces of the seed yams by using plant ash or lime powder, and accelerating germination of the diced seed yams on a germination accelerating seedbed in a greenhouse or a small arch shed, next, dividing each germinating seed yam into 3-4 seed yam blocks with buds, sowing the seed yam blocks with buds in a fertilized seed yam breeding seedbed, carrying out seedbed management by using a lump seed yam seedbed breeding technique after the emergence of seedlings, and harvesting the seed yams before frosting in autumn. The method is capable of breeding 70000 yams per mu. The efficient seedbed breeding method is used for breeding the seed yams by dicing the yams twice, and therefore, the breeding coefficient of the lump seed yams is greatly increased and the purpose of saving the seed cost is achieved. The efficient seedbed breeding method has the advantages of high breeding coefficient, high breeding efficiency, great saving of the seed yam breeding cost and improvement of the seed yam breeding efficiency.