CN104756737A - Winter wheat early-promotion and later-control perpendicular selecting method - Google Patents

Abstract

The invention discloses a winter wheat early-promotion and later-control perpendicular selecting method. The method includes the following steps of selecting a species with characteristics of strong root systems, high tillering capacity, high earbearing tiller percentage, rapid early vegetative growth, thin and firm stalk and long and narrow blades as one parent, selecting a species with characteristics of high yield, wide application range, bigger tassel and more grains, high yield potential, excellent comprehensive characters and high adaptability as the other parent, and matching the two parents in different hybridization modes. By means of the method, the polymerization and accumulation of genes with excellent characteristics of drought resistance, water conservation, high and stable yield and the like are achieved, and the high yield and the high moisture utilization rate are organically combined.

Description

The vertical back-and-forth method of control after short before winter wheat

Technical field

The present invention relates to wheat cultivation field, the vertical back-and-forth method of control after short before being specifically related to a kind of winter wheat.

Background technology

High yielding variety will be selected at high liquid manure, and drought-resistant variety will select the effect that just can obtain under arid situation; Select high yield and water saving ability, seed selection difficulty is larger, as method choice routinely, is difficult to the unification realizing high yield and water saving simultaneously.To this, we creatively propose the seed selection new approaches in " front short, expansion source, rear control, sieve storehouse ".

Summary of the invention

For solving the problem, the vertical back-and-forth method of control after short before the invention provides a kind of winter wheat, realizes the polymerization of the merit such as resisting drought saving water and stable high yield gene, adds up, reach the combination of high yield and high-moisture availability.

For achieving the above object, the technical scheme that the present invention takes is:

After short before winter wheat, the vertical back-and-forth method of control, comprises the steps:

S1, selection possess well developed root system, and tillering ability is strong, and the percentage of earbearing tiller is high, and early stage nourishes and grows fast, and stem stalk is carefully real; The long narrow feature kind of blade is as parent;

S2, selection possess high yield, extensively suitable feature, performance big panicle many grains per panicle, and yield potentiality is large, and Comprehensive Traits is excellent, and the kind of the feature that adaptability is good is as another parent;

S3, above-mentioned two parents are carried out assembly by different Crossing system.

Wherein, vertical select to refer to complete the synchronous selection of saving water, resisting drought and yielding ability in the same generation, replace M8003 line in conjunction with strange land under different soil conditions, strengthen adaptive selection, increase and select accuracy; The normal liquid manure supply in early stage of front short finger, meets liquid manure needs.Rear control refers to that the later stage controls moisture supply, drought stress.

The present invention has following beneficial effect:

Realize the polymerization of the merit such as resisting drought saving water and stable high yield gene, add up, reach the combination of high yield and high-moisture availability

Embodiment

In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

Embodiment

The breeding method of stone agriculture 086 (D08-6), comprises the steps:

1,2004 make female parent with Shandong wheat 14, assembly is carried out as male parent in Handan 6172, and combination sequence number is 04-2.Shandong wheat 14 is winter wheat varieties that the northern Mai Qu of the Yellow River and Huai He River at the beginning of the nineties in last century mainly applies, and performance tillering ability is strong, and Cheng Sui is many, yield stability is good, anti-fall, cold-resistant, especially disease resistance is good, converge Rulofen, the famous anti-source blood lineage of Virgilio and L277/4 tri-, shows as horizontal resistance, and disease resistance is not easily degenerated because of microspecies change, but thousand kernel weight is lower, yielding ability is not suitable with production requirement; Handan 6172 is and southern Mai Qu authorization northern by the Yellow River and Huai He River successively, wide adaptability, and high and stable yield is good, and thousand kernel weight is high, but tillering ability is general, and powdery mildew, rust resistance are slightly poor; Two kinds are with strong complementarity.

2, progeny selection

Realize the breeding objective of high yield according to steady fringe increase grain-weight, scientific research group adheres to the selection of higher rate of tillering panicle and high thousand kernel weight individual plant, strain all the time in progeny selection process, to realizing the breakthrough of high yield; " the how anti-breeding of vertical high yield " method is adopted: namely by meeting liquid manure supply early stage from F2 generation, build the trophosome of high yield, Drought in later stage is coerced, abiotic stress is utilized to select hot-dry wind tolerance, drought resistance, complete the synchronous selection of resistance and yielding ability in the same generation, select high yield and degeneration-resistant individual plant of combining closely or strain.

F1 generation in 2004: in the plantation of Dong Yang city, Luancheng, variable rate technology tillering ability is strong, Cheng Sui is many; Middle stalk, cold-resistant, big panicle many grains per panicle; Seed gloss and plumpness good.Mixing results.

In F2 generation in 2005: 500 strains are planted in goldenrain tree territory, selected 21 individual plants, show many fringes, big panicle many grains per panicle, thousand kernel weight is high.Disease resistance is good, wherein the 8th strain, plant height 70cm, single-strain tassel number 13, and spike length 10.5cm, Bai Li, hard, gloss and plumpness are good, individual plant of attaching most importance to.

In F3 generation in 2006: repeat plantation 10 strains in Luancheng and Xinji, wherein the performance of 06-9 system is cold-resistant, disease-resistant, anti-fall, falls yellow good; Big panicle many grains per panicle; To attach most importance to individual plant.

F4 generation in 2007: Luancheng and Xinji plant 9 strains, with 07-9 system performance in stalk, in ripe, big panicle many grains per panicle; Fall yellow good, disease-resistant good, receive as emphasis strain is mixed, rise up into succeeding year.

In F5 generation in 2008: Luancheng and Xinji plant 7 strains, behave oneself best with 08-6 system, fall yellow good, disease-resistant good, mixed receipts, autumn sowing in 2009 enters produces than test.

3, stable strain carries out the qualification of output, quality, biology and Economic Characters, screening

2008-2009 has carried out the test of new lines Screening and Identification on kalimeris farm and Zhao County young farm, 08-6 shows many fringes, middle stalk, the neat structure of fringe are good; Disease-resistant, anti-fall, Ear weight is high, Comprehensive Traits is good, and per mu yield 634.11 kilograms, comparatively increases production 6.15% to stone 4185.

4, participation province and national region are tested and Resistance Identification

Participate in the Central-South water ground preliminary experiment in Ji 2009-2010 year, average yield per mu reaches 500 kilograms, comparatively contrasts volume increase more than 8%, shows cold-resistant, disease-resistant, many fringes.

Enter Central-South water ground, 2010-2011 Ji regional test, and recommend to participate in 2010-2011 year black Long Gang water saving group regional test.

2011-2013 continues to participate in group region, Central-South water ground, Ji, Hebei province and production test, general performance is high yield, stable yields, degeneration-resistant, extensively fit

Stone agriculture 086 (D08-6) detects data:

Central-South water ground, 2010-2011 year Ji group regional test average yield per mu 546.1 kilograms, 8 volume increase, 0 underproduction, increases production 3.23% than contrast stone 4185, and difference is extremely remarkable, occupies 14 tested varieties the 1st.

2011-2012 year, 9 volume increase, 0 underproduction, increased production 4.30% than contrast stone 4185, and difference is extremely remarkable, occupies 11 tested varieties the 2nd with group regional test average yield per mu 525.9 kilograms.

Regional test average yield per mu in 2 years 536.0 kilograms, increases production 3.75% than contrast stone 4185.

Central-South water ground, 2012-2013 year Ji group production test average yield per mu 500.7 kilograms, 9 pilots are all increased production, and increase production 4.60% than contrast stone 4185, and difference is extremely remarkable, occupies 3 tested varieties the 2nd.

This product kind semiwinterness medium variety, 243 days average breeding times, than contrasting late 1 day of stone 4185.Seedling partly crawls, dark green leaf color, and tillering ability is medium.Mu spike number 41.4 ten thousand, strain plant type is compact, plant height 73.2 centimetres.Spike length is square, long awns, white shell, Bai Li, and hard, seed is fuller.Grain number per spike 32.5, thousand kernel weight 46.4 grams, unit weight 816.6 grams per liter.Ripe mutually better.

Lodging resistance: 2010 ~ 2,012 two annual regional tests all lodge.2012 ~ 2013 annual production tests have 5 grades of lodging in great Cao village pilot, lodging area 50% (with contrast stone 4185 and is 5 grades and lodges, lodge area 50%); Grain and oil institute pilot has 3 grades of lodging, area 50%.

Disease resistance: Inst. of Plant Protection, Hebei-Prov. Academy of Agricultural and Forestry Scie's Disease Resistance Identification result, 2010 ~ 2011 annual immune powdery mildews, yellow rust, high leaf rust resistance; 2011 ~ 2012 annual immune leaf rust, powdery mildew, high stripe rust resisting.

Cold resistance: Zunhua country variety of crops regional test station cold hardness evaluation result, 2010 ~ 2011 annual dead stem rates 17.1%, dead plant rate 10.8% (the dead stem rate 20.7% of contrast stone 4185, dead plant rate 9.6%); 2011 ~ 2012 annual dead stem rates 15.5%, dead plant rate 1.3% (the dead stem rate 38.9% of contrast stone 4185, dead plant rate 2.1%).

The applicant, by breed breeding process practices such as " Shi Nong 086 " " D11491 ", achieves successfully, achieves the high unity of water saving and high yield.

Within 2013, grain quality supervision and inspection center of the Ministry of Agriculture measures, thick protein (butt) 14.64%, wet gluten 31.1%, sedimentation value 30.6 milliliters, water absorption 57.6ml/100g, formation time 3.0 minutes, 4.2 minutes stabilization time, maximum tension resistance 315EU, extensibility 152 millimeters, extension area 69 square centimeters.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (1)

1. the vertical back-and-forth method of short rear control before winter wheat, is characterized in that, comprise the steps:

S1, selection possess well developed root system, and tillering ability is strong, and the percentage of earbearing tiller is high, and early stage nourishes and grows fast, and stem stalk is carefully real; The long narrow feature kind of blade is as parent;

S2, selection possess high yield, extensively suitable feature, performance big panicle many grains per panicle, and yield potentiality is large, and Comprehensive Traits is excellent, and the kind of the feature that adaptability is good is as another parent;

S3, above-mentioned two parents are carried out assembly by different Crossing system.