CN101133702B - Taxus sprout cultivating technique - Google Patents

Abstract

The present invention relates to a yew seedling cultivation process. Said cultivation process of yew seedling includes the following steps: normal temperature sand storage of yew seeds: using sand bed whose water content is 60% to store yew seeds in winter, after 2-4 months, the seeds can start germination; seedling transplantation: transplanting seedling whose height is 2.5-cm-3cm into hole plate, the cultivation matrix in the hole plate is mixture of plant ash and perlite according to the volume ratio of 9:1; greenhouse cultivation: pouring water, sterilization, applying fertilizer and using nutrient pot to make seedling cultivation.

Description

Taxus sprout cultivating technique

Technical field

The present invention relates to a kind of taxus sprout cultivating technique.

Background technology

Yew is half evergreenness arbor, and form is perfectly straight, and life-span length can reach more than 500 years, and height of tree 41.5m is more than the diameter of a cross-section of a tree trunk 1.3 meters above the ground 120cm.Tree crown is turriform, and the yew blade profile is more sparse, and sprig is little sagging, and leaf attitude is various; The florescence 2-3 month, monoecism; Cone is obovate or oblong, cone 10-11 month maturation.Yew is the water-fast wet seeds of strong positive, and annual precipitation surpasses the Delta of the Pearl River of 1600mm high temperature and rainy, yew well-grown; In Nanjing of the Changjiang river south bank, ground such as Mount Lushan, Wuchang, winter short-term minimum temperature-13.9 ℃ condition under, also can restrain oneself.Under the land occupation condition that subacidity to subalkaline fluvisol water wets, it is best to grow; Under the humidogene condition, children's yew main root growth in age is fast, and the rhizome part is for a long time by water logging, also can normal growth and blossom and bear fruit.The yew of swale or marshland growth, butt expands, the common rattan shape respiratory root that bassets around it; Gave birth to beginning in 15 years and form post groove plank buttress at butt, along with the age of tree increases, buttress is obvious further.Yew, because its well developed root system, it is tough to do branch, is not afraid of to be beaten by wind and waves, and can play the good protective action to the soil.

The emergence rate of the seed of yew under nature is not high, and seedling is often dead in self-sow, and the bud seedling that causes seed to obtain is less, has influenced the breeding of yew.

Summary of the invention

The purpose of this invention is to provide the higher taxus sprout cultivating technology of a kind of bud seedling rate.

For achieving the above object, the technical solution used in the present invention is: a kind of taxus sprout cultivating technique, pass through following cultivating technique with the yew seed:

(1) normal temperature is husky hides: winter, the husky bed with water content 60% carried out the sand Tibetan to seed, and through 2-4 month, seed began to sprout;

(2) bud transplantation of seedlings: the bud transplantation of seedlings of plant height 2.5cm-3cm is coiled to the cave, and the cultivation matrix in the dish of cave is plant ash, 9: 1 mixed uniformly matrix of perlite volume ratio;

(3) cave dish maintenance: the cave dish is placed in the greenhouse, water, sterilization, fertilising;

(4) feeding block seedlings raising: nutritive cube is arrived in the cave dish transplantation of seedlings of 14cm-16cm.

Because technique scheme utilization, the germination rate that the present invention compared with prior art has the seed of following advantage: Sha Zanghou reaches 55.6%, the bud transplantation of seedlings survival rate of cave dish maintenance is 96.4%, the bud transplantation of seedlings survival rate of feeding block seedlings raising is 98.8%, the whole bud seedling rate of yew seed survives and reaches 53%, and plant is strong, grows fine.

Embodiment

The invention will be further described below in conjunction with embodiment.

Annual November, December, treat after the seed maturity of yew, yew fruit ball is carried out threshing, choose the full yew seed of thousand kernel weight greater than 12.5g.Data shows that the emergence rate of the seed of thousand kernel weight 12.5g is about 30%, and full substantial seed is favourable to germination and emergence.In the present embodiment, select the yew seed of thousand kernel weight for use greater than 13g.Seed is used flushing with clean water with 0.1% potassium permanganate immersion after 20 minutes, and is stand-by after drying.

Normal temperature is husky to be hidden: lay the wet sand of the water content about 60% of 4cm thickness in the husky bed, the bromogeramine with 0.1% carries out disinfection to husky bed.Seed broadcasting on husky bed, with not overlapping be the degree of seed, is covered the wet sand of 1cm thickness on seed, with 0.1% bromogeramine husky is sprayed again, cover straw then, spray with 0.1% bromogeramine straw again covering.Per two all bromogeramines with 0.1% spray husky bed, and keep husky humidity, maintain about 60%.Through 2-4 month, seed began to sprout.Adopting thousand kernel weight in the present embodiment is the yew seed of 13g, and the fate of emerging is 80-85 days, and germination rate reaches 55.6%.

The bud transplantation of seedlings: the bud transplantation of seedlings of plant height 2.5cm-3cm is coiled to the cave, and the cultivation matrix in the dish of cave is plant ash, 9: 1 mixed uniformly matrix of perlite volume ratio.

The maintenance of cave dish: the cave dish is placed maintenance in the greenhouse, adopt the management of watering of self-propelled waterwheel, a green prosperous diseases prevention of per two week sprays 0.5%, per two weeks are sprayed composite fertilizer once.Do not see between curing period that damage by disease and insect takes place, the transplanting survival rate of bud seedling is 96.4%.

Feeding block seedlings raising: when treating that the bud seedling grows into 14cm-16cm, the bud seedling is transplanted in the nutritive cube from the dish of cave, transplanting survival rate is more than 98.8%.

Adopt the yew seed of this cultivating technique, cultivate from the rudiment to the seedling, bud seedling rate reaches 53%, and plant is strong, grows fine.

Comparative Examples 1: adopt the yew seed of thousand kernel weight 13g and 10.11g, 6.96g, the emergence rate under the method for identical husky Tibetan:

Thousand kernel weight (g)	13	10.11	6.96g
				Emergence rate (%)	55.6	24.6	12.4

As seen, the seed that thousand kernel weight is bigger is useful to emergence rate.

Comparative Examples 2: adopt the yew seed of thousand kernel weight 13g, husky Tibetan of process and normal temperature preservation, directly sowing, emergence rate compares:

Sowing date	Sowing media	Emerge fate (my god)	Emergence rate (%)
				On May 13rd, 2004	The peat composed of rotten mosses: perlite volume ratio 9: 1	7	25
On December 17th, 2003	The husky Tibetan sprouted	85	55.6

As seen winter the husky seed of hiding, the emergence rate in spring exceeds 122% than the emergence rate of direct sowing in spring, the yew seed is carried out sand hide, the seedling transplanting immediately later on of sprouting spring can improve emergence rate.

Claims (1)

1. taxus sprout cultivating technique is characterized in that the yew seed is through following cultivating technique:

(1) normal temperature is husky hides: winter, the husky bed with water content 60% carried out the sand Tibetan to seed, and through 2-4 month, seed began to sprout;

(2) bud transplantation of seedlings: the bud transplantation of seedlings of plant height 2.5cm-3cm is coiled to the cave, and the cultivation matrix in the dish of cave is plant ash, 9: 1 mixed uniformly matrix of perlite volume ratio;

(3) cave dish maintenance: the cave dish is placed in the greenhouse, water, sterilization, fertilising;

(4) feeding block seedlings raising: nutritive cube is arrived in the cave dish transplantation of seedlings of 14cm-16cm.