CN103141348A - Protection and yield increase management method of wheat leaves at later stage - Google Patents

Abstract

The invention discloses a protection and yield increase management method of wheat leaves at later stage. The working principle of the management method is as follows: at the middle or later stage after grain-filling of wheat, bactericide of difenoconazole preparation is sprayed to protect the photosynthesis of wheat leaves, and stimulate the growth of wheat leaves, therefore the stress tolerance ability and the efficiency for solar energy utilization of wheat leaves are improved, the disease time and degree of leaf blight, rust disease, and powdery mildew of wheat leaves are reduced greatly, and the physiological function of wheat leaves is improved. As a result, the wheat straws and wheat leaves can survive and ripe, the thousand seed weight is increased by 4-7 gram, seeds per spike is increased by 0.5-2 grains, and every 667 square meters wheat increases production of 50 to 100 kilograms.

Description

The protection volume increase management method of wheat anaphase blade

Technical field

The present invention relates to the yield-increasing technology of a grow wheat, definite saying improves thousand grain weight of wheat in a kind of prolongation blade function life-span, makes the management method of wheat increase yield.

Background technology

The method of High-Yield Cultivation of Wheat volume increase comprises: select move after improved seeds, dressing seed, meticulous whole ground, rational application of fertilizers, precision drilling, nitrogenous fertilizer, disease pest and weed integrated control etc., make wheat reach the purpose of high yield.

Wheat from seed germination, emerge, take root, come into leaves, jointing, booting, ear, bloom, solid, through a series of growth and development processes, to producing new seed, cry all one's life of wheat.The growth cycle of wheat can be divided into again three vegetative stages: stage in seedling stage, mid-term stage, later stage.According to the growth characteristic of wheat different phase, for the ease of cultivation management, can namely emerge being divided into 12 growthdevelopmental stages all one's life of wheat, three leaves, tiller, survive the winter, turn green, stand up, jointing, booting, ear, bloom, grouting, maturing stage.

Leaf is the major organs that wheat plant is made organic nutriment.Chloroplast is arranged in blade, and it can utilize solar energy, and water and carbonic acid gas are manufactured organic matter, and emits oxygen.Wheat greenery this physiological activity in the sun is exactly the photosynthesis of plant.

After wheat enters grouting, its plant each several part physiological function is the trend that decays gradually, the physiological function of blade and the ability of resisting various diseases all descend, the morbidity of the leaf blight of blade, rust, powdery mildew increases the weight of, the photosynthesis ability of wheat leaf blade is descended, affect the accumulation of wheat biomass, reduced wheat yield.

At present, wheat is in traditional field production management, mostly in earlier stage spray bactericide in case the evil of curing the disease at seedling stage to wheat grain filling, and wheat enters the grouting middle and later periods, no longer spray the medicine control in agricultural production, the continuity management of having ignored wheat, to such an extent as to the diseases such as wheat later stage leaf blight, rust, powdery mildew cause harm and increase the weight of, its anti-adversity ability and utility rate of luminous energy are reduced, tassel granule is flat, thousand kernel weight is low, the normal growth that has restricted wheat is grown, and has affected the raising of wheat yield.

Summary of the invention

The inventor is through a large amount of research, demonstration, and the repetition test by the land for growing field crops, the protection method for increasing that works out the wheat anaphase blade of success finally, thus completed the present invention.

The objective of the invention is to overcome defects; a kind of management method of protecting wheat leaf blade is provided; the anti-adversity ability of wheat anaphase blade is strengthened; improve utility rate of luminous energy; the Development process of the leaf blight of reduction wheat leaf blade, rust, powdery mildew; improve the physiological function of wheat anaphase blade, make wheat bar flap maturation alive, increase grain number per spike and thousand kernel weight, reach the effect of wheat increase yield.

The present invention selects Difenoconazole to prevent and treat:

Difenoconazole: be that triazole type is efficient, low toxicity, interior suction, wide-spectrum bactericide, plant is had the adjusting physiological potency.Its sterilization mechanism stops the growth of fungi for suppressing the biosynthesis of cell wall sterol, can stop the expansion of infecting and prevent scab of germ, has protection and therapeutic action.Be widely used in the crops such as grain, fruit tree, vegetables, tobacco, effectively prevent and treat scab, anthrachose of grape, white rot, spot defoliation, powdery mildew, brown spot, rust, yellow rust, head blight, banded sclerotial blight, leaf spot etc.Chinese another name: Difenoconazole, trade name: Cisco, generation are high, English common name: difenoconazole, chemical name: 1-(2-[4-(4-chlorobenzene oxygen)-2-chlorphenyl]-the 4-methyl isophthalic acid, 3-dioxin-pentane-2-ylmethyl)-H-1,2,4-triazole, relative molecular mass: 406.26, chemical formula: C ₁₉H ₁₇C _l2N ₃O ₃

The Difenoconazole molecular structural formula:

The solution of the present invention is to enter the grouting middle and later periods at wheat, spray fungicide difenoconazole preparation 1-2 time, every 667 square metres of Difenoconazole active ingredient dosages are the 5-10.0 gram, are watered the 45-50 kilogram and mix spraying, fill spray if meet rain in 6 hours after the spray medicine again.Difenoconazole has the photosynthesis of protection wheat leaf blade; simultaneously wheat leaf blade there is the function of stimulating growth; wheat leaf blade anti-adversity ability and utility rate of luminous energy are improved; greatly reduce and controlled leaf blight, the rust of wheat leaf blade, the morbidity state of an illness and the incidence of disease of powdery mildew; effectively improve the physiological function of wheat leaf blade; wheat is lived, and the bar flap is ripe, thousand kernel weight increases the 4-7 gram, and grain number per spike increases 0.5-2 grain, every 667 square metres of wheat increase yield 50-100 kilograms.

Be described in further detail below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the dead leaf photo of dead bar contrast effect figure when spraying the individual plant wheat of fungicide difenoconazole and living the individual plant wheat maturation of bar flap and clear water when ripe;

Fig. 2 sprays the wheat of the fungicide difenoconazole bar flap photo design sketch of living when ripe;

Fig. 3 is the dead leaf photo of dead bar effect contrast figure when spraying the land for growing field crops wheat of fungicide difenoconazole and living the land for growing field crops wheat maturation of bar flap and clear water when ripe;

Fig. 4 is the dead leaf photo of dead bar effect contrast figure when spraying the land for growing field crops wheat of fungicide difenoconazole and living the land for growing field crops wheat maturation of bar flap and clear water when ripe.

Embodiment

Fig. 1 is that on May 9th, 2011 and May 20 are in Bian Zhuan village, Bai Miao town, Linquan County, Anhui Province, the fungicide difenoconazole missible oil that secondary sprays, dead stalk dead leaf photo contrast effect figure (seeing Table 2) when when the individual plant wheat is ripe, the individual plant wheat of stalk flap alive and clear water is ripe, after wheat breed week, wheat 22 sprayed, 100.12 kilograms of mu volume increase, amplification is 17.59%.

Fig. 2 is the time wheat that sprays the fungicide difenoconazole maturation, the stalk flap photo design sketch alives of taking when being about to gather in the crops, and the large grain of the golden yellow wheat head fringe in figure is satisfied, and wheat is still verdure shape.

Dead stalk dead leaf photo effect contrast figure (seeing Table 1) when living the wheat maturation of stalk flap and clear water when Fig. 3 microbial inoculum difenoconazole water dispersible granule wheat of stopping that to be on May 8th, 2010 and May 18 spray at Dan Qiao township, Linquan County Da Zhao village secondary is ripe, after the abundant wheat 936 of wheat breed sprays, 72.56 kilograms of mu volume increase, amplification is 14.20%.

Fig. 4 fungicide difenoconazole aqueous emulsion that to be on May 18th, 2012 spray at Xieji township, Linquan County Dawangzhuang and the wheat photo effect contrast figure (seeing Table 3) of clear water, after wheat breed Jimai 22 sprays, 86.17 kilograms of mu volume increase, amplification is 15.80%.

Wheat enters the grouting middle and later periods, Northern Area of Huaihe River is annual 8-20 day in May, spray Difenoconazole missible oil (or water dispersible granules or microemulsion or aqueous emulsion or wetting powder or suspending agent) 1-2 time, every 667 square metres of active ingredient dosages are the 5-10.0 gram, be watered 45-50 kilogram even spraying, meet rain in 6 hours after with ring azoles liquid and fill spray again if spray phenylate.Using of Difenoconazole bactericide should be grasped flexibly according to the variation of temperature.If then the late April-during temperature drifts in the first tenday period of a month in May (being 15-29 ℃), wheat grain filling begins early, Wheat in Grain Filling Stage is long, just spray medicine 2 times, 2 midfeather 10-12 days, use low dosage spray medicine, every 667 square metres spray Difenoconazole active ingredient 5-7.0 gram, are watered the 45-50 kilogram.If then the late April-during temperature in the first tenday period of a month in May low (being 11-27 ℃), wheat grain filling begins late, Wheat in Grain Filling Stage is short, sprays 1 time medicine, uses high dose spray medicine, every 667 square metres spray Difenoconazole active ingredient 8-10.0 gram, are watered the 45-50 kilogram.

The present invention is simple to operate, convenient management, and synergy is obvious, and the practice and extension of this technology has been filled up the blank of the domestic and international same industry.

Below further set forth beneficial effect of the present invention by test example

Test example 1:2010, in Da Zhao village, Dan Qiao township, Linquan County, wheat breed is abundant wheat 936, and making with medicament is 10% difenoconazole water dispersible granule, and contrast sprays clear water simultaneously, 10 mu of testing ground areas, result of the test is as follows: see Table 1

Table 1

Result of the test is, the Difenoconazole chemicals treatment increases by 1.3 than clear water contrast grain number per spike, and thousand kernel weight increases by 4.18 grams, 72.56 kilograms of mu volume increase, and amount of increase in production is 14.20%.

Test example 2:2011, in Bian Zhuan village, Bai Miao town, Linquan County, wheat breed is all wheats 22, and making with medicament is 25% Difenoconazole missible oil, and contrast sprays clear water simultaneously, 90 mu of testing ground areas, result of the test is as follows: see Table 2

Table 2

Result of the test is, the Difenoconazole chemicals treatment increases by 1.2 than clear water contrast grain number per spike, and thousand kernel weight increases by 6.55 grams, 100.12 kilograms of mu volume increase, and amount of increase in production is 17.59%.

Test example 3:2012, in king village, Xieji township, Linquan County, wheat breed is Jimai 22, and making with medicament is 20% difenoconazole water emulsion, and contrast sprays clear water simultaneously, 90 mu of testing ground areas, result of the test is as follows: see Table 3

Table 3

Result of the test is, the Difenoconazole chemicals treatment increases by 0.9 than clear water contrast grain number per spike, and thousand kernel weight increases by 5.61 grams, 86.17 kilograms of mu volume increase, and amount of increase in production is 15.80%.

Claims (4)

1. management method is increased production in the protection of a grow wheat anaphase blade; it is characterized in that: it is to enter the grouting middle and later periods at wheat; spray Difenoconazole preparation 1-2 time, every 667 square metres of Difenoconazole active ingredient dosages are the 5-10.0 gram, are watered 45-50 kilogram even spraying.

2. management method is increased production in the protection of wheat anaphase blade according to claim 1; it is characterized in that: the using of Difenoconazole bactericide; should grasp flexibly according to the variation of temperature; as then the late April-during temperature drifts in the first tenday period of a month in May (being 15-29 ℃); just spray medicine 2 times, 2 midfeather 10-12 days, use low dosage spray medicine; every 667 square metres spray Difenoconazole active ingredient 5-7.0 gram, are watered the 45-50 kilogram.

3. management method is increased production in the protection of wheat anaphase blade according to claim 1; it is characterized in that: the using of Difenoconazole bactericide; should grasp flexibly according to the variation of temperature; as then the late April-during temperature in the first tenday period of a month in May low (being 11-27 ℃); spray 1 time medicine; use high dose spray medicine, every 667 square metres spray Difenoconazole active ingredient 8-10.0 gram, are watered the 45-50 kilogram.

4. management method is increased production in the protection of wheat anaphase blade according to claim 1; it is characterized in that: described wheat enters the grouting middle and later periods; Northern Area of Huaihe River is for spraying Difenoconazole missible oil annual-20 days on the 8th May; or water dispersible granules, microemulsion, aqueous emulsion, wetting powder or suspending agent 1-2 time; every 667 square metres of Difenoconazole effective ingredient consumption are the 5-10.0 gram, are watered the 45-50 kilogram.

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