CN105075769B - A kind of distribution implantation methods of male and female Chinese yew - Google Patents

Abstract

The invention belongs to plant cover cultivation methods field, and in particular to the distribution implantation methods of male and female Chinese yew.A kind of distribution implantation methods of male and female Chinese yew, comprise the following steps：1. 2 between March, find towards east, the north to hillside, the more large stretch of open area in mountain region, due to 1 to 10 be Chinese yew optimal pollination ratio, by the male planting yew that stops no section gap on the outside of it on circle, ensure that Chinese yew will not obstruct the path of its wind direction, select two kinds of distribution modes, upward slope blows downwards its Pollination Effect more preferably, spacing is considered simultaneously, suitable spacing ensures that the bud of male flower can descend slowly and lightly to being pollinated on female plant column cap；Add the relative flowers and fruits bigger with artificial pollination dosage and protect liquid, Pollination Effect can be accelerated during so blowing；Step is simple, does not need artificial pollination, while spontaneous pollination result after the completion of culture transferring, and the growth of its trees of spontaneous pollination is rapider.

Description

A kind of distribution implantation methods of male and female Chinese yew

Technical field

The invention belongs to plant cover cultivation methods field, and in particular to the distribution implantation methods of male and female Chinese yew.

Background technology

Southerm yew（Taxus chinensis var mairei）Special product belongs to Tertiary Period few survivors seeds, quilt in China " living fossil " [1] referred to as in vegetable kingdom.Southerm yew contains abundant cancer therapy drug --- taxol, therefore by people Concern, exactly because also it has important medical value, be listed in world's rare tree species and be protected by [2], be included in me I grade of protection plant of state.The research work of substantial amounts of southerm yew is carried out both at home and abroad at present.Southerm yew is that male and female are different Strain plant, hermaphrodite plant only a few, the mode of pollination is different flower, and the quantity of female plant is few under field conditions (factors), absolutely mostly Number is staminiferous plant.In the group of natural southerm yew, seed can be just only collected in the mixed raw place of male and female plant, although greatly Most female plants can produce some seeds every year, but total quantity is few, this be probably flowering asynchronism cause pollination fertilization by Resistance, seed produce negligible amounts.Existing method is artificial pollination, so makes setting percentage higher, but it is a large amount of so to make needs Manually, and the key technologies such as collection pollen time, pollen processing and pollination are grasped, in face of discrepant kind, it is necessary to research of following up, It is cumbersome, and cost of labor is high.

The content of the invention

The technical problems to be solved by the invention are：In view of the deficienciess of the prior art, offer is a kind of to pluck the choosing of kind Select and be distributed, then just with its spontaneous pollination, can also reach the distribution implantation methods of the male and female Chinese yew of very high setting percentage.

To realize the purpose of the present invention, it is achieved using following technical scheme：

1. a kind of distribution implantation methods of male and female Chinese yew, comprise the following steps：

1. 2 between March, find towards east, the north to hillside, the more large stretch of open area in mountain region, gradient 10-25 Between degree, hillside, mountain region facade on dig have 11 holes；

2. selecting the Chinese yew of the 7-9 age of trees, its diameter of a cross-section of a tree trunk 1.3 meters above the ground set is 6-8cm, digs out the soil centered on Chinese yew root system Its depth of ball is 35-45cm, arranges the fibrous root portion in outside, is trimmed, and the soil of a circle on the outside of soil ball is beaten into real, use Netted straw rope is wrapped on the outside of soil ball, and netted straw rope is covered in film top and tightened；

3. 3 to during April, 10 plants of male Chinese yew after into the hole of step 1. 2. culture transferring step is handled and 1 plant it is female red Beans China fir, female Chinese yew is at the lower section on slope；

4. male flower Post flowering, content 0.6%-1% potassium dihydrogen phosphate is sprayed to male flower every 15-18 days and water mixed liquid is carried out Flowers and fruits are protected, and spray content 0.6%-1% borax and water mixed liquid after 2-3 days to female plant column cap.

Preferably, 11 holes of step 1. are distributed as wherein 10 holes into heart, tundish is round 1 hole, periphery hole The distance between be 2-3 rice, the distance between periphery and middle hole are 3-4 rice；

Preferably, 11 holes of step 1. are distributed as wherein 10 holes into the shape of a hoof, it is middle in centre round 1 hole The distance in hole and both sides hole is 3-4 rice, centre hole and shape of a hoof head hole distance 4-5 rice.

Compared with prior art, the beneficial effects of the invention are as follows：Selection east, North domain direction, can stablize has sunlight day According to intensity of illumination is high and more fine day loose powder hero flower buds are more when producing male flower, and female flower bud colloid stretching is more, and Pollination Effect is good；Optimal The first half of the month of pollination time has just begun with colored treelet Chinese yew to 1 month culture transferring, selects acclive open mountain region, will be female Chinese yew kind because 1 to 10 is the optimal pollination ratio of Chinese yew, passes through the hero for stopping no section gap in the lower section on slope Planting yew is on the outside of it on circle, it is ensured that and Chinese yew will not obstruct the path of its wind direction, select two kinds of distribution modes, on Its Pollination Effect is blown under slope aspect more preferably, while spacing has been considered, suitable spacing ensures that the bud of male flower can descend slowly and lightly to female Pollinated on strain column cap；Add the relative flowers and fruits bigger with artificial pollination dosage and protect liquid, can be with during so blowing Accelerate Pollination Effect；Step is simple, and artificial pollination, while spontaneous pollination result, its tree of spontaneous pollination are not needed after the completion of culture transferring The growth of wood is rapider.

Brief description of the drawings

Fig. 1 is the structural representation for the heart-shaped distribution that the embodiment of the present invention 1 is cheated；

Fig. 2 is the structural representation for the shape of a hoof distribution that the embodiment of the present invention 2 is cheated.

Embodiment

Embodiment 1

1. a kind of distribution implantation methods of male and female Chinese yew, comprise the following steps：

1. 2 between March, find towards east, the north to hillside, the more large stretch of open area in mountain region, the gradient is 15 degree Between, hillside, mountain region facade on dig have 10 hole into heart be distributed, tundish round 1 hole, periphery hole the distance between For 2.5 meters, the distance between periphery and middle hole are 3.5 meters；

2. selecting the Chinese yew of 8 years age of trees, its diameter of a cross-section of a tree trunk 1.3 meters above the ground set is 7cm, dig out soil ball centered on Chinese yew root system its Depth is 40cm, arranges the fibrous root portion in outside, is trimmed, and the soil of a circle on the outside of soil ball is beaten in fact, with netted straw rope It is wrapped on the outside of soil ball, netted straw rope is covered in film top and tightened；

3. 3 to during April, 10 plants of male Chinese yew after into the hole of step 1. 2. culture transferring step is handled and 1 plant it is female red Beans China fir, female Chinese yew is at the lower section on slope；

4. male flower Post flowering, the potassium dihydrogen phosphate of content 0.8 is sprayed to male flower every 15 days and water mixed liquid carries out flowers and fruits guarantor Shield, the borax and water mixed liquid of content 0.8 are sprayed after 2-3 days to female plant column cap.

Embodiment 2

A kind of distribution implantation methods of male and female Chinese yew, comprise the following steps：

1. 2 between March, find towards east, the north to hillside, the more large stretch of open area in mountain region, the gradient is 20 degree Between, hillside, mountain region facade on dig have 10 hole into the shape of a hoof be distributed, centre round 1 hole, centre hole with both sides cheat Distance be 4 meters, centre hole with the shape of a hoof head hole 5 meters of distance；

2. selecting the Chinese yew of 9 years age of trees, its diameter of a cross-section of a tree trunk 1.3 meters above the ground set is 8cm, dig out soil ball centered on Chinese yew root system its Depth is 45cm, arranges the fibrous root portion in outside, is trimmed, and the soil of a circle on the outside of soil ball is beaten in fact, with netted straw rope It is wrapped on the outside of soil ball, netted straw rope is covered in film top and tightened；

3. 3 to during April, 10 plants of male Chinese yew after into the hole of step 1. 2. culture transferring step is handled and 1 plant it is female red Beans China fir, female Chinese yew is at the lower section on slope；

4. male flower Post flowering, the potassium dihydrogen phosphate of content 1% is sprayed to male flower every 15-18 days and water mixed liquid carries out flowers and fruits Protection, the borax and water mixed liquid of content 1% are sprayed after 3 days to female plant column cap.

Above-mentioned 2 embodiments carry out distribution plantation according to actual conditions respectively, 1 to 10 male and female Chinese yew proportioning be by Practice is drawn, due to be influenceed by wind direction and the gradient, so Xiong Shu quantity is some more, while Xiong Shu and the distance of female tree It is critically important, an air quantity space and the space of sunlight are also reserved while ensureing and pollinating, to meet the bar required for pollination Part, the heart-shaped distribution in embodiment 1 require higher to area condition relatively, climb and fall wind direction convection current obvious, have one to upward slope Air quantity is determined, it is necessary to which region is openr, and effect can be more preferable；And the area requirement of embodiment 2 is relatively compact, regional environment will Ask lower.With the setting ratio of the heart-shaped distribution spontaneous pollination of embodiment 1 in 80-85%, and the distribution of the shape of a hoof of embodiment 2 from The setting ratio so pollinated is in 75-80%.

Claims (1)

1. a kind of distribution implantation methods of male and female Chinese yew, it is characterised in that comprise the following steps：

1. 2 between March, find towards east, the north to the more large stretch of open area in hillside, the gradient is 20 degree, on hillside Being dug on facade has 10 holes to be distributed into the shape of a hoof, is cheated in centre round 1, and the distance in centre hole and both sides hole is 4 meters, centre hole 5 meters of distance is cheated with shape of a hoof head；

2. selecting the Chinese yew of 9 years age of trees, its diameter of a cross-section of a tree trunk 1.3 meters above the ground set is 8cm, digs out soil ball its depth centered on Chinese yew root system For 45cm, the fibrous root portion in outside is arranged, is trimmed, and the soil of a circle on the outside of soil ball is beaten in fact, wrapped up with netted straw rope On the outside of soil ball, netted straw rope is covered in film top and tightened；

3. 3 to during April, 10 plants of male Chinese yew and 1 plant of female Chinese yew after into the hole of step 1., 2. culture transferring step is handled, Female Chinese yew is in middle and cheated, and female Chinese yew is at the lower section on slope；

4. male flower Post flowering, the potassium dihydrogen phosphate of content 1% is sprayed to male flower every 15-18 days and water mixed liquid carries out flowers and fruits protection, The borax and water mixed liquid of content 1% are sprayed after 3 days to female plant column cap.