CN101971767A - Method for improving proportion of male flowers to female flowers of jatropha curcas - Google Patents
Method for improving proportion of male flowers to female flowers of jatropha curcas Download PDFInfo
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- CN101971767A CN101971767A CN 201010270303 CN201010270303A CN101971767A CN 101971767 A CN101971767 A CN 101971767A CN 201010270303 CN201010270303 CN 201010270303 CN 201010270303 A CN201010270303 A CN 201010270303A CN 101971767 A CN101971767 A CN 101971767A
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- nai yisuan
- growth regulator
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Abstract
The invention discloses a method for improving the proportion of male flowers to female flowers of jatropha curcas, and belongs to the technical field of plant growth regulators. The method comprises the following steps of: selecting a chemical reagent, namely alpha-naphthylacetic acid (NAA) solution; preparing the NAA solution into 20 to 100 mg/L solution; selecting a plant with flowering and fruit-bearing capacity and the tree-age of over 2 years; spraying the NAA solution on the overall branch of the plant in a flower bud period of the first crop of flowers of the jatropha curcas; and managing and protecting after spraying. The method solves the problem of low proportion of the male flowers to the female flowers of the jatropha curcas, can improve the proportion of the male flowers to the female flowers of the jatropha curcas by 17.30 to 52.66 percent, and improve the yield per plant by 12 to 44 percent.
Description
Technical field
The invention belongs to plant and cultivate the field, specifically relate to a kind of method that improves Jatropha curcas male and female flowering ratio.
Background technology
Jatropha curcas (Jatropha curcas L1), have another name called little tung oil tree, yellow swollen tree, bright paulownia, tung tree, Nan Yang tung oil tree (Japan) etc., be Euphorbiaceae (Euphorbiaceae) Jatropha curcas platymiscium, little tung oil tree complete stool can be used as medicine, nature and flavor are puckery, be slightly cold, poisonous, little tung oil tree stem-leaf extract also is used to prevention and elimination of disease and pests
[3]Among the people often be used to detumescence, analgesia, hemostasis, sterilization, desinsection, antipruritic, eliminate the wart body, emeticly have loose bowels, anesthesia, diuresis, promotion wound healing and terminal pregnancy etc.In China, the medicinal cultivation of little tung oil tree has 300 years history approximately.Meanwhile, (saturated fatty acid accounts for 21% to little tung oil tree seed oil content up to 40%～60%, unsaturated fatty acid accounts for 79%), and rich in proteins (accounting for dry weight 19%～27%), its plant happiness light, drought-resistant barren, fast growth, therefore become the energy-source plant of desirable production biodiesel, receive much attention today deficient day by day at crude oil, the United Nations has been widely used in little tung oil tree the ecological construction of subtropics, dry-hot valley poverty-stricken area, is helped and succeeds as the major project of poverty alleviation.Little tung oil tree has very high economic worth, and when it obtained more and more widely cultivation as energy-source plant, its potential medical value was also constantly obtaining more deeply systematically research and development.Jatropha curcas is the different flower of monoecism, and cyme influences the jatropha curcas seed low yield, and the big factor that fruit bearing rate is low is that Jatropha curcas male and female flowering ratio is too low.The research of the seed production of raising Jatropha curcas is a lot, but current research aspect the Jatropha curcas high yielding character, all achievement in research is seldom both at home and abroad, improve Jatropha curcas male and female flowering ratio by hormone inductions such as a-methyls, reach the phoenix feathers and unicorn horns especially of effect of high-yield, " a kind of chemical reagent is to the regulate and control method of Jatropha curcas floral organ ratio " disclosed as Chinese patent publication number CN101292607A, it is ethrel and gibberellin role simultaneously, but the ratio that it improves the Jatropha curcas male and female flowering also is not more satisfactory.For this reason, be badly in need of finding a kind of certain density hormone,, fully excavate the potential value of Jatropha curcas,, provide technical foundation for rationally utilizing this living resources in order to instruct the high yield of Jatropha curcas.
Summary of the invention
A kind of method that improves Jatropha curcas male and female flowering ratio that the objective of the invention is to overcome above-mentioned shortcoming and provide.
According to inventor's research, find that the various plants growth regulator has the ability that improves Jatropha curcas male and female flowering ratio, wherein α-Nai Yisuan NAA is exactly that wherein effect is reasonable a kind of.
Technical scheme of the present invention, comprise selection, the plant growth regulator of plant growth regulator preparation, determine plant, plant growth regulator solution spray, manage and protect five steps, concrete scheme technology is as follows:
Select α-Nai Yisuan NAA solution for use; α-Nai Yisuan NAA (1-naphthlcetic acid), chemical name: 1-naphthyl acetic acid molecular formula is C
12H
10O
2Structural formula is
Be the broad spectrum type plant growth regulator, can promote cell division and expansion, induce the formation adventive root, increase fruit-setting rate, prevent shedding, change female, male flower ratio etc.Can be through the tender epidermis of blade, branch, seed enters in the plant, arrives complete stool with the nutritional flow transporting.Be applicable to cereal, increase is tillered, and improves the percentage of earbearing tiller and thousand kernel weight; Cotton reduces fruit abscission rate, increases the peach weightening finish, improves the quality.Fruit tree is short to bloom, anti-shedding, the volume increase of accelerating the ripening.Melon-fruit-like vegetable prevents fallen flowers, forms little seed fruit; Promote that the cuttage branch is taken root.
Compound method: take by weighing α-Nai Yisuan NAA solution 20,40,60,80,100mg, with dissolved in distilled water be mixed with 20,40,60,80,100mg/L;
Plant is selected for use: possess the ability of bearing fruit, the plant of the age of tree more than 2 years spray reagent;
Spraying method: the α-Nai Yisuan NAA solution that said method is newly prepared, after treating that α-Nai Yisuan NAA dissolves fully, spending the Jatropha curcas of bud phase to prune to the first planting sprays, especially pay attention to spraying of bud, drop is tiny, even when spraying, α-Nai Yisuan NAA solution usage sprayed to reach the position moistening and little have under the stream of liquid droplets exceed; The time that sprays is at fine day 14:30--16:30 in afternoon; Spray in back 36 hours and rain, fill spray again;
After α-Nai Yisuan NAA sprays, strengthen the work of managing and protecting, prevent that livestock from trampleing on and artificial destruction, pay attention to the extermination of disease and insect pest, carry out flower to dynamic observe record the spray plant.
The present invention is compared with prior art:
1, the present invention is provided with 5 concentration, and varies in size with its concentration setting, and the concentration setting is more reasonable, and concentration gradient is 20mg/L, makes concentration gradient more near optimum concentration.
2, the present invention sprays the training of selected plant, especially pays attention to spraying of bud, and when having saved medicine, female-male proportion has improved 17.30%--52.66%, and it is clearer and more definite to spray the position.
What 3, the present invention handled is the bud phase of first planting flower, and the time fixes on light and the stronger 14:30-16:30 of effect, and clear and definite spraying the time is in the time lengthening to 36 that fills spray hour.
4, the advantage of maximum of the present invention is selected hormone kind difference, for the Jatropha curcas high yield provides multiple choices.
Beneficial effect of the present invention:
1, method is simple, and cost is low, can be applied in the production of field.
2, the Jatropha curcas female-male proportion of field planting after 2 years improved, can effectively improve the female-male proportion of Jatropha curcas, single plant yield improves 12%--44%.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiment:
The present invention is an experiment material with the Jatropha curcas in little tung oil tree breeding base, Luodian County, Guizhou Province, and this embodiment is provided with the consumption of the α-Nai Yisuan NAA solution of 5 variable concentrations, adopts distilled water to spray in contrast.
Compound method: take by weighing α-Nai Yisuan NAA solution 20,40,60,80,100mg, with dissolved in distilled water be mixed with 20,40,60,80,100mg/L; Mentioned reagent is the former medicine that dispatches from the factory, and treats that α-Nai Yisuan NAA dissolves the back fully and uses.
Plant is selected for use: possess the ability of bearing fruit, the plant of the age of tree more than 2 years spray reagent.
Spraying method: the α-Nai Yisuan NAA solution that said method is newly prepared, after treating that α-Nai Yisuan NAA dissolves fully, spending the Jatropha curcas of bud phase to prune to the first planting sprays, especially pay attention to spraying of bud, drop is tiny, even when spraying, α-Nai Yisuan NAA solution usage sprayed to reach the position moistening and little have under the stream of liquid droplets exceed; The time that sprays is at fine day 14:30-16:30 in afternoon; Spray in back 36 hours and rain, fill spray again.
After α-Nai Yisuan NAA sprays, strengthen the work of managing and protecting, prevent that livestock from trampleing on and artificial destruction, pay attention to the extermination of disease and insect pest, carry out flower to dynamic observe record, observed result such as table 1 after 10 days the spray plant.
Table 1: α-Nai Yisuan NAA solution sprays back Jatropha curcas female-male proportion and changes statistical form
As known from Table 1, it is good in order to 60mg/L that the α-Nai Yisuan NAA solution of 5 kinds of concentration changes work to the Jatropha curcas ratio, and concentration surpasses certain value can reduce female-male proportion later, and the Jatropha curcas female-male proportion has improved 17.30%--52.66%.For the present invention's research, the purpose that improves the male and female ratio is to make the Jatropha curcas high yield, and after HORMONE TREATMENT, the female flower number increases, and the male flower number reduces, and has reached to increase the female male high yield purpose that subtracts.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (2)
1. method that improves Jatropha curcas male and female flowering ratio, comprise selection, the plant growth regulator of plant growth regulator preparation, determine executing spray, managing and protecting five steps of plant, plant growth regulator, wherein, plant select for use possess the ability of bearing fruit, the plant of the age of tree more than 2 years; Managing and protecting is to prevent that livestock from trampleing on and artificial destruction, pays attention to the extermination of disease and insect pest, carries out flower to dynamic observe record, it is characterized in that:
(1) selection of plant growth regulator: select α-Nai Yisuan NAA for use, α-Nai Yisuan NAA molecular formula C
12H
10O
2
(2), the preparation of plant growth regulator: take by weighing α-Nai Yisuan NAA 20-100mg with electronic balance, be mixed with 20mg/L-100mg/L with distilled water;
(3) plant growth regulator execute spray: the α-Nai Yisuan NAA solution that said method is prepared, after treating that α-Nai Yisuan NAA dissolves fully, spending the Jatropha curcas of bud phase to prune to the first planting sprays, drop is tiny, even when spraying, α-Nai Yisuan NAA solution usage sprayed to reach the position moistening and little have under the stream of liquid droplets exceed; The time that sprays is at fine day 14:30-16:30 in afternoon; Spray in back 36 hours if rain, fill spray again.
2. the method for claim 1, it is characterized in that: the concentration that sprays α-Nai Yisuan NAA solution is 60mg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102703037A CN101971767B (en) | 2010-09-02 | 2010-09-02 | Method for improving proportion of male flowers to female flowers of jatropha curcas |
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| CN2010102703037A CN101971767B (en) | 2010-09-02 | 2010-09-02 | Method for improving proportion of male flowers to female flowers of jatropha curcas |
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| CN101971767A true CN101971767A (en) | 2011-02-16 |
| CN101971767B CN101971767B (en) | 2012-05-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170623A (en) * | 2014-08-08 | 2014-12-03 | 深圳市新华南方生物科技股份有限公司 | Method capable of enabling jatropha curcas to blossom and bear fruit concentratedly |
| CN105830839A (en) * | 2016-03-25 | 2016-08-10 | 中国科学院合肥物质科学研究院 | Method using hormone induction to improve tung oil tree fruit yield |
| CN110845268A (en) * | 2019-11-26 | 2020-02-28 | 加美工业大麻生物科技(黑龙江)有限公司 | Special transformation female plant foliar fertilizer for industrial hemp and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778159A (en) * | 2004-11-23 | 2006-05-31 | 东北农业大学 | Cultivation of cucumber quality for pickling process |
| CN101292607A (en) * | 2008-05-28 | 2008-10-29 | 云南省农业科学院热区生态农业研究所 | Regulating and controlling method for sex ratio of jatopha curcas flower with chemical reagent |
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2010
- 2010-09-02 CN CN2010102703037A patent/CN101971767B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778159A (en) * | 2004-11-23 | 2006-05-31 | 东北农业大学 | Cultivation of cucumber quality for pickling process |
| CN101292607A (en) * | 2008-05-28 | 2008-10-29 | 云南省农业科学院热区生态农业研究所 | Regulating and controlling method for sex ratio of jatopha curcas flower with chemical reagent |
Non-Patent Citations (3)
| Title |
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| 《内蒙古农牧学院学报》 19910930 云兴福 alpha-萘乙酸对黄瓜雌花性状和根系活性的影响 17-23 1-2 第12卷, 第3期 2 * |
| 《四川林业科技》 20090228 何亚平等 攀枝花市麻疯树生殖构件特征与雌雄化配置研究 8-17 1-2 第30卷, 第1期 2 * |
| 《特产研究》 20021231 李爱民等 诱导被五味子雌花分化的研究 12-15 1-2 , 第2期 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170623A (en) * | 2014-08-08 | 2014-12-03 | 深圳市新华南方生物科技股份有限公司 | Method capable of enabling jatropha curcas to blossom and bear fruit concentratedly |
| CN105830839A (en) * | 2016-03-25 | 2016-08-10 | 中国科学院合肥物质科学研究院 | Method using hormone induction to improve tung oil tree fruit yield |
| CN105830839B (en) * | 2016-03-25 | 2019-02-19 | 中国科学院合肥物质科学研究院 | A method of tung oil tree fruit yield is improved by hormone induction |
| CN110845268A (en) * | 2019-11-26 | 2020-02-28 | 加美工业大麻生物科技(黑龙江)有限公司 | Special transformation female plant foliar fertilizer for industrial hemp and preparation method thereof |
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| CN101971767B (en) | 2012-05-23 |
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