CN100409746C - Chalk improver for early indica rice - Google Patents

Chalk improver for early indica rice Download PDF

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Publication number
CN100409746C
CN100409746C CNB031247156A CN03124715A CN100409746C CN 100409746 C CN100409746 C CN 100409746C CN B031247156 A CNB031247156 A CN B031247156A CN 03124715 A CN03124715 A CN 03124715A CN 100409746 C CN100409746 C CN 100409746C
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China
Prior art keywords
rice
chalk
present
indica rice
paclobutrazol
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CN1486608A (en
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肖浪涛
蔺万煌
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Hunan Agricultural University
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Hunan Agricultural University
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Abstract

The present invention discloses a chalk modifying agent for early indica rice. One liter of water solutions contain the components of the following weight gram range: 0.10 to 0.80 of paclobutrazol, 0.001 to 0.01 of salicylic acid, 0.250 to 0.900 of Guangzengsu 802 and 0.080 to 0.400 of phytic acid. The present invention has the advantages of favorable modification effect, short required period and low cost.

Description

The white modifying agent of a kind of early indica rice chalk
Technical field
The present invention is the white modifying agent of a kind of early indica rice chalk, is used for higher long-grained nonglutinous rice morning of each paddy rice producing region chalkiness degree of south, and the adjusting and controlling rice kernel grouting is dynamic, coordinates rice strain " Yuan Yiku " relation, thereby reduces the chalkiness degree of early indica rice, increases the commodity value of rice.
Background technology
Environmental difference is by the formation of the variable effect rice chalkiness of kernel grouting phase.The photosynthetic performance that rice plant is good, suitable " Yuan Yiku " than and powerful storehouse vigor be that no chalk is white or lack the key of the white superior rice formation of chalk.Early the long-grained nonglutinous rice maturation is on the occasion of high temperature season in China south, and kernel grouting speed is accelerated, and the grouting cycle shortens, and chalkiness degree raises.The balance of endogenous plant hormone plays an important role to coordinating rice strain " Yuan Yiku " relation before and after the paddy rice heading.The basic element of cell division and indoleacetic acid content are lower in high chalk is white before and after the heading long-grained nonglutinous rice grain husk flower morning, seed and the sword-like leave, blade and root system early ageing, and seed storehouse vigor is lower.Abscisic acid strengthens the high-temperature resistance of blade on the one hand, slows down the inductive effect that high temperature forms rice chalkiness; Can suppress leaf photosynthesis again on the other hand, reduce the supply of assimilation substance, it is bad to cause seed to enrich.For reducing the early indica rice chalkiness degree, all done a large amount of research work both at home and abroad, be many wherein, as crossbreeding, radiation breeding, breeding with laser and haploid breeding etc. to adopt the improvement of genetic breeding means.But the required cycle of genetic improvement is long, breed a kind and need spend great amount of manpower, financial resources and material resources, and existing many morning rice variety except chalkiness degree is higher, other The Characters is good, and therefore taking the effective chemical regulation measure to reduce the early indica rice chalkiness degree is to improve the quick of China's south early indica rice quality and valid approach.Plant nutrition class chemical improvement agent has the effect of different reduction rice chalkiness degree to different cultivars, but degree is lower.Plant hormone class chemical improvement agent then has bigger regulating action, and it promotes plant hormone in vivo balance and coordination to a certain extent.Liu Lijun is a material with the Different Types of Rice kind, sprays 6-BA in fringe phase beginning, can obviously reduce white rate of chalk and chalkiness degree, ear to ripening period in paddy rice, the foliage-spray phytic acid helps the active raising of amylosynthease, suppresses hydrolytic enzyme activities, reduces the white grain of white grade of chalk and chalk rate.Though chemical regulator has been widely used in during agricultural herd in China, do not see the report of the white modifying agent of relevant early indica rice chalk so far.
Summary of the invention
The purpose of this invention is to provide the white modifying agent of early indica rice chalk that good, the required cycle of a kind of improved effect is short, cost is low.
For realizing purpose of the present invention, the white modifying agent of early indica rice chalk provided by the invention is as follows in the compositing range of contained weight in grams in the premium on currency solution
Paclobutrazol 0.10-0.80
Salicylic acid 0.001-0.010
Extensively increase plain 802 0.250-0.900
Phytic acid 0.080-0.400
The present invention is as follows in the preferable compositing range of contained weight in grams in the premium on currency solution
Paclobutrazol 0.150-0.350
Salicylic acid 0.001-0.006
Extensively increase plain 802 0.550-0.700
Phytic acid 0.100-0.200
The present invention is best composed as follows in contained weight in grams in the-premium on currency solution
Paclobutrazol 0.25
Salicylic acid 0.004
Extensively increase plain 802 0.62
Phytic acid 0.124
Paclobutrazol in the component of the present invention can promote the rice root growth, strengthens the root system vigor, delays leaf senile; Help the accumulation of ABA, improve protective enzyme system-superoxide dismutase and catalase activity in the plant corpus; Improve chlorophyll content, strengthen photosynthetic rate; Improve soluble starch synzyme, associativity amylosynthease and the Q-enzyrne activity of seed, reduce the white grain of chalk rate, chalkiness degree and amylose content, help improvement rice matter.
Salicylic acid used in the component of the present invention can partly improve chlorophyll content in the blade, increases the activity of the short scavenge system of superoxide dismutase isoreactivity oxygenase, resists the injury of high temperature; Improve the resistance of rice strain to damage by disease and insect.
Component of the present invention is used extensively increases plain 802 and can promote giving full play to of fertilizer effectiveness, improves chlorophyll content in the blade, strengthens photosynthesis, increases the synthetic of carbohydrate, reduces the consumption of energy, promotes rice growth, improves output, improves quality.
Used phytic acid can reduce free phosphoric acid in the rice grain in the component of the present invention, suppresses the activity of hydrolase, weakens the diastatic reaction of amylase, and the activity that improves amylosynthease helps the synthetic of starch.
The present invention is simple for use, every 666.7m 2Can use after converting 20 gug water dilutions with 100 milliliters of finished product soups.Being vaporific spraying once at the paddy rice full heading time with sprayer gets final product.Spraying the back soup can effectively be absorbed in four hours.
With the present invention obtain to reduce rice chalkiness degree outstanding effect early long-grained nonglutinous rice can list Hunan early No. 24, Xian, Zhejiang spoke 802, middle 98-15, eight liang excellent 96 etc., and be suitable for each rice variety early, the white kind of particularly high chalk can make the rice chalkiness degree obviously reduce, and does not change breeding time.
The present invention is a liquid, is pale brown look, and odorless, but long term seasoning consistency, its composition all are the medium-term and long-term a large amount of medicaments that use of agricultural production, to the person poultry harmless.Be applicable to vast morning of the long-grained nonglutinous rice rice producing region use of China south, also be applicable to other rice varieties application that the rice chalkiness degree is higher.
Manufacturing process flow of the present invention is as follows: each solid constituent proportioning is in accordance with regulations measured respectively, is mixed, and is delivered in mixing (or stirring) equipment through transfer equipment, adds liquid component, and mixing is distributed into finished product through dispensing apparatus again.
Embodiment
Illustrate below, but the present invention is not limited to following example.
Embodiment 1
Preparation of the present invention (to produce 100 liters of concentrated type finished product consumptions): take by weighing commercially available paclobutrazol 5kg, salicylic acid (C 7H 6O 3〉=99%) 0.08kg, extensively increase plain 80212.4kg, phytic acid 2.48kg.Pulverize respectively or dissolving, add 100 liters of distilled water while mixing.After treating the solid constituent dissolving, mixing packing after 5~7 minutes.Per 100 liters can be distributed into 1,000 bottles (every bottle of 100ml).
Using method of the present invention: get one bottle of aqua product of the present invention, place agroatomizer, add 20 liters of common rivers or running water, mixing.Being vaporific in the paddy rice full heading time sprays.
Result of use of the present invention:
Figure C0312471500061
Embodiment 2
Preparation of the present invention (to produce 100 liters of concentrated type finished product consumptions):
Take by weighing commercially available paclobutrazol 4kg, salicylic acid (C 7H 6O 3〉=99%) 0.08kg, extensively increase plain 8027.0kg, phytic acid 1.4kg.Pulverize respectively or dissolving, add 100 liters of distilled water while mixing.After treating the solid constituent dissolving, mixing packing after 5~7 minutes.Per 100 liters can be distributed into 1,000 bottles.Effect such as following table
Figure C0312471500062
Embodiment 3: preparation of the present invention (to produce 100 liters of concentrated type finished product consumptions).
Take by weighing commercially available paclobutrazol 5kg, salicylic acid (C 7H 6O 3〉=99%) 0.12kg, extensively increase plain 802 10.0kg, phytic acid 2.0kg.Pulverize respectively or dissolving, add 10 liters of distilled water while mixing.After treating the solid constituent dissolving, mixing packing after 5~7 minutes.Per 10 liters can be distributed into 1,000 bottles.Effect such as following table
Embodiment 4: preparation of the present invention (to produce 100 liters of concentrated type finished product consumptions).
Take by weighing commercially available paclobutrazol 6kg, salicylic acid (C 7H 6O 3〉=99%) 0.16kg, extensively increase plain 802 13.0kg, phytic acid 2.6kg.Pulverize respectively or dissolving, add 100 liters of distilled water while mixing.After treating the solid constituent dissolving, mixing packing after 5~7 minutes.Per 100 liters can be distributed into 1,000 bottles.Effect such as following table
Figure C0312471500072

Claims (3)

1. the white modifying agent of early indica rice chalk is as follows in the compositing range of contained weight in grams in the premium on currency solution
Paclobutrazol 0.10-0.80,
Salicylic acid 0.001-0.010,
Extensively increase plain 802 0.250-0.900,
Phytic acid 0.080-0.400.
2. according to the white modifying agent of the described a kind of early indica rice chalk of claim 1, it is characterized in that: the preferable compositing range in contained weight in grams in the premium on currency solution is as follows
Paclobutrazol 0.150-0.350,
Salicylic acid 0.001-0.006,
Extensively increase plain 802 0.550-0.700,
Phytic acid 0.100-0.200.
3. according to the white modifying agent of the described a kind of early indica rice chalk of claim 1, it is characterized in that: best composed as follows in contained weight in grams in the premium on currency solution
Paclobutrazol 0.25,
Salicylic acid 0.004,
Extensively increase element 802 0.62,
Phytic acid 0.124.
CNB031247156A 2003-08-05 2003-08-05 Chalk improver for early indica rice Expired - Fee Related CN100409746C (en)

Priority Applications (1)

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CN100409746C true CN100409746C (en) 2008-08-13

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306872C (en) * 2004-12-24 2007-03-28 王熹 Dual plant growth regulator for preventing stachys bud of paddy and wheat and production process thereof
CN101999406B (en) * 2010-11-01 2013-12-18 河南农业大学 Comprehensive improver for unsound grain rate and chalkiness of japonica rice
CN113080193B (en) * 2021-03-09 2021-11-16 湖南农业大学 Composition for reducing chalkiness rate of rice and preparation method and application thereof
CN114246188B (en) * 2021-12-30 2023-06-02 湖南农业大学 Use of melatonin for reducing rice chalkiness

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05286813A (en) * 1992-04-08 1993-11-02 Nissan Chem Ind Ltd Method for promoting germination and initial growth of seed
CN1116491A (en) * 1994-08-10 1996-02-14 黄岸生 Cotton boll keeping agent
CN1391805A (en) * 2001-06-19 2003-01-22 昆明市农业技术推广站 Rice coating agent and its preparing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05286813A (en) * 1992-04-08 1993-11-02 Nissan Chem Ind Ltd Method for promoting germination and initial growth of seed
CN1116491A (en) * 1994-08-10 1996-02-14 黄岸生 Cotton boll keeping agent
CN1391805A (en) * 2001-06-19 2003-01-22 昆明市农业技术推广站 Rice coating agent and its preparing method

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