CN104872176B

CN104872176B - A kind of seed initiator and its application method

Info

Publication number: CN104872176B
Application number: CN201510175809.2A
Authority: CN
Inventors: 任学祥; 叶正和; 苏贤岩
Original assignee: Institute of Plant Protection and Agricultural Products Quality Safety of AAAS
Current assignee: Institute of Plant Protection and Agricultural Products Quality Safety of AAAS
Priority date: 2015-04-15
Filing date: 2015-04-15
Publication date: 2017-10-31
Anticipated expiration: 2035-04-15
Also published as: CN104872176A

Abstract

The invention discloses a kind of seed initiator, comprising active component be nitric acid rare earth, gibberellin and vitamin C, each group distribution ratio is as follows：Nitric acid rare earth 1% ~ 5%, gibberellin GA₃0.05% ~ 0.15%, vitamin C 0.1% ~ 0.5%, surplus are water.Compare 1 according to kind of medicine with the initiator that this component is configured:1~1:Dried after 4 12 h of immersion to original weight for 35 DEG C, have after initiation to crop seed and trigger effect well, considerably reduce rotten kind, rotten seedling phenomenon, significantly improve the indexs such as emergence rate, plant plant height, fresh weight, significantly better than component single dose and conventional initiator, it is shown that cooperate with facilitation well.It is the good initiator for crop seed.This initiator active compound is easy to get, cost is low, and configuration is convenient.

Description

A kind of seed initiator and its application method

Technical field

The present invention relates to the mixing of a kind of growth regulatory substance of seed treatment, nutrient and antioxidant composition The initiator of activation initiation processing before thing, specifically crop seed are sprouted.

Background technology

Seed carries whole gene, the quality of its quality is in very great Cheng as the starting point of crop growth Growing and final yield for plant is determined on degree.Seed vitality be react seed have under various conditions it is potential Sprouting and Emerging ability, be weigh seed quality height an important indicator.China is grain-production big country, and seed is at me Occupy very important status in the sustainable development of state's agricultural, how to ensure the high vigor of seed becomes the focus of research.

Seed is in its physiological maturity, and vigor peaks, then, and life will be pushed away with aging course towards death Enter, and vigor is also increasingly reduced, this increase along with the seed storage time and occurrence and development it is natural irreversible Process, just cry seed deterioration or aging.This kind of change includes enzymatic activity, organelle, respiration, the oxidation of film fat and peroxide Change in terms of change effect, membrane permeability and exudate, synthesis capability, reserve substance, endogenous hormones and levels of toxic substances.Kind Sub- aging is a kind of phenomenon of generally existing, and the aging of seed causes a certain degree of shadow to seed vitality and Germ-plasma resources protection Ring.Research shows, if what seed vitality can be recovered or be improved by dry-cure, at present, the reparation side of Seed Aging Method may be summarized to be physics and chemical two major class.Physical method include wet Balance Treatment and immersion-drying process, magnetic field processing and Laser treatment.Chemical method processing is included at penetrant treating, inorganic salt treatment, antioxidant processing, HORMONE TREATMENT and medicament Reason.The current widest method for treating seeds of domestic and international application is chemical method.

Seed priming is also known as osmotic adjustment, is that one kind broadcasts preceding seed treatment, control seed slowly absorbs water and progressively Hui Gan Seed processing technology.Osmotic adjustment is exactly that seed is handled with finite concentration above-mentioned solution.Solute can be reduced The flow of water of solution, makes that the flow of water subtractive inside and outside seed is small, and seed absorption speed slows down.Seed priming allows presprouting in seed Metabolism, but the growth of radicle is prevented and treated, seed is in the metabolism that cell membrane, organelle, DNA are repaired, enzyme activation preparation is germinateed State.

At present, the seed initiator of in the market is generally hormone and inorganic salts, and the initiation effect to seed is unsatisfactory, originally grinds Study carefully and growth regulatory substance, nutrient and antioxidant are mixed in proportion for crop seed initiator, can be right Crop seed has good initiation, significantly reduces rotten kind of rate, hence it is evident that improve the germination percentage of seed, plant plant height and The indexs such as fresh weight.

The content of the invention

The invention provides a kind of seed initiator, the seed initiator can be good at improving wheat, seeding corn and other crops Germination and the uniformity emerged, are significantly higher than blank control, increase Seedling Height, root in terms of emerge speed and emergence rate Long, fresh weight and dry weight, reach the purpose of increasing both production and income.

Nitric acid rare earth, gibberellin and vitamin C are mixed and made into seed initiator by the present invention in proportion, in several composition lists Solely using comparing, initiating power is significantly improved, and also has good growth promoting function to seed, so as to realize that raising seed is lived Power, the goal of the invention of increasing both production and income.

The technical scheme is that：

A kind of seed initiator, it is characterised in that：Each component and proportioning are as follows：Nitric acid rare earth 1% ~ 5%, gibberellin GA3 0.05% ~ 0.15%, vitamin C 0.1 ~ 0.5%, surplus are water.

Described seed initiator, it is characterised in that：Each component and proportioning are as follows：Nitric acid rare earth 3% ~ 5%, gibberellin GA3 0.1% ~ 0.15%, vitamin C 0.1% ~ 0.3%, surplus is water.

Described seed initiator, its application method is：Seed is dipped in the seed initiator that weight is 1 ~ 4 times, 12 h are soaked under 25 DEG C of water temperature conditions, interval 1 h stirrings once, are soaked 35 DEG C of drying of seed to original weight, storage after finishing Deposit standby.

The present invention remarkable result and advantage be：

The present invention has well to trigger between effect, component to seeds such as wheat, corns has obvious mutual promoting action, Germination percentage, the germinating energy of crop seed, increase Seedling Height, root length, fresh weight and dry weight, hence it is evident that reduce rotten can be improved well Kind, rotten seedling, reach strong sprout, growth promotion, diseases prevention, the purpose of volume increase.

Determine single dose and mixture to the percentages of seedgermination such as corn, wheat, plant height, fresh weight, the influence of dry weight and to rotten kind, The influence of rotten seedling number.Experiment is carried out in Laboratory Temperature room, by nitric acid rare earth, gibberellin GA3, vitamin C and self-control initiator The aqueous solution for being configured to 1% ~ 5%, 0.05% ~ 0.15%, 0.1% ~ 0.5% respectively is standby, 100 seeds of often processing immersion（It is corn, small Wheat Seeds are 2014 productions）, dry after 12 h, be seeded in after 1 d in the thick Nutrition Soils of 3 cm, often processing is repeated 3 times, and tri-leaf period checks Experimental result.It is listed as follows：

Influence of the different initiators of table 1 to Vigor of Zea mays L. Seeds

Initiator	Content	Germination percentage（%）	Plant height cm	Fresh weight g	Dry weight g
						Nitric acid rare earth	1%	77.5 a	15.91	25.71	5.11
	3%	79.4 a	16.33	26.84	5.14
							5%	80.5 a	16.12	26.32	5.20
GA3	0.05%	81.7 b	17.22	25.53	5.11
							0.1%	82.6 b	16.94	24.96	5.10
	0.15%	84.3 c	16.81	26.27	5.08
						Vitamin C	0.1%	77.4 a	16.40	25.04	5.01
	0.3%	77.9 a	16.23	25.42	5.07
							0.5%	78.2 a	16.45	25.75	5.11
Make initiator by oneself	1 times	88.6 c	17.16	26.63	5.12
							2 times	88.4 c	17.51	27.13	5.21
	4 times	89.2 d	17.42	26.11	5.17
						CK	~	77.4 a	16.10	25.42	5.07

By upper table as can be seen that nitric acid rare earth, GA3, vitamin C single dose have certain initiation effect to corn seed Really, had differences between different component.The initiator of preparation has to corn seed triggers effect well, in germination percentage, plant strain To be significantly higher than blank control and medicament control in terms of high, fresh weight and dry weight, it is shown that good initiation.It is 1 to plant medicine ratio: 2、1:Effect is triggered to be better than 1 when 4:1, pesticide-seeds ratio is 1:Germination is the most notable when 4.Illustrate to generate after three's mixture well Cooperate with facilitation.

Influence of the different initiators of table 2 to Wheat Seed Vitality

Initiator	Content	Germination percentage（%）	Plant height cm	Fresh weight g	Dry weight g
						Nitric acid rare earth	1%	81.7 a	7.29	11.44	2.44
	3%	82.4 a	7.31	11.62	2.46
							5%	81.4 a	7.44	11.41	2.45
GA3	0.05%	82.3 b	7.31	11.47	2.51
							0.1%	83.5 b	7.33	11.66	2.48
	0.15%	82.7 b	7.28	11.72	2.55
						Vitamin C	0.1%	81.5 a	7.19	11.34	2.44
	0.3%	81.4 a	7.18	11.62	2.39
							0.5%	80.7 a	7.21	11.42	2.41
Make initiator by oneself	1 times	83.6 c	7.64	11.99	2.46
							2 times	84.3 c	7.51	12.31	2.54
	4 times	84.7 c	8.23	11.78	2.57
						CK	~	81.3 a	7.17	11.31	2.41

It can be seen from Table 2 that, the initiator of preparation has to wheat seed triggers effect well, it will be apparent that improve seed Germination percentage, plant height, fresh weight and dry weight.Compared to single dose, significant difference illustrates to generate collaboration well after three's mixture and promoted Enter effect.

Influence of the different initiators of table 3 to the rotten kind of corn seed（Soil moisture is maintained at 80% or so）

Initiator	Content	Rotten kind of number
			Nitric acid rare earth	1%	11
	3%	10
				5%	11
GA3	0.05%	7
				0.1%	7
	0.15%	5
			Vitamin C	0.1%	4
	0.3%	3
				0.5%	3
Make initiator by oneself	1 times	2
				2 times	0
	4 times	1
			CK	~	21

It can be seen from Table 3 that, the initiator of development can be very good to reduce rotten kind of number of corn seed, and effect is significantly good In single dose and control.

With reference to embodiment, the invention will be further described, but not limited to this.

Embodiment 1

Each group distribution ratio is as follows：

Nitric acid rare earth 3%

GA3 0.1%

Vitamin C 0.1%

Water surplus

GA3 and vitamin C are put into beaker, are dissolved in water, nitric acid rare earth is added by amount, it is slow to stir to completely molten Solution, water is supplied, and 3.2% seed initiator is made.

Embodiment 2

Each group distribution ratio is as follows：

Nitric acid rare earth 1%

GA3 0.05%

Vitamin C 0.1%

Water surplus

GA3 and vitamin C are put into beaker, are dissolved in water, nitric acid rare earth is added by amount, it is slow to stir to completely molten Solution, water is supplied, and 1.15% seed initiator is made.

Embodiment 3

Each group distribution ratio is as follows：

Nitric acid rare earth 5%

GA3 0.15%

Vitamin C 0.5%

Water surplus

GA3 and vitamin C are put into beaker, are dissolved in water, nitric acid rare earth is added by amount, it is slow to stir to completely molten Solution, water is supplied, and 5.65% seed initiator is made.

Embodiment 4

Each group distribution ratio is as follows：

Nitric acid rare earth 5%

GA3 0.1%

Vitamin C 0.3%

Water surplus

GA3 and vitamin C are put into beaker, are dissolved in water, nitric acid rare earth is added by amount, it is slow to stir to completely molten Solution, water is supplied, and 5.4% seed initiator is made.

Trigger effect test：

Wheat, the field test of corn seed initiator are carried out on Huaiyuan Long Kang farms（2014 years）, test area is 0.3hm², often handle and be repeated 3 times, corn variety is grand flat 206（Seed in 2013）, wheat breed be Jimai 22（Kind in 2013 Son）, interior compares 1 by kind of medicine:35 DEG C of drying are to original weight after 2 12 h of immersion, uniform sowing, and emergence rate is investigated after 42 days, is surveyed The indexs such as plant height, fresh weight, rotten kind of number are measured, 4, table 5 is the results are shown in Table.

The seed initiator of table 4 triggers effect to the crop field of corn

The seed initiator of table 5 triggers effect to the crop field of wheat

By table 4 and table 5 as can be seen that the seed initiator prepared has extraordinary trigger to imitate to corn and wheat seed Really, emergence rate, increase plant height and fresh weight can be significantly improved, is significantly higher than comparison medicament and blank control, substantially reduces rotten Plant number.Illustrate that the initiator under test dose has to corn, wheat seed and trigger effect well.

Finally, in addition it is also necessary to it is noted that listed above is only several specific embodiments of the invention.Obviously, this hair The bright embodiment for being not limited to the above, can also there is many variations.One of ordinary skill in the art can be from disclosed by the invention interior Hold all deformations for directly exporting or associating, be considered the scope of protection of the invention.

Claims

1. a kind of seed initiator, it is characterised in that：Each component and proportioning are as follows：Nitric acid rare earth 1%~5%, gibberellin GA3 0.05%~0.15%, vitamin C 0.1~0.5%, surplus are water.

2. seed initiator as claimed in claim 1, it is characterised in that：Each component and proportioning are as follows：Nitric acid rare earth 3%~ 5%th, gibberellin GA3 0.1%~0.15%, vitamin C 0.1%~0.3%, surplus is water.