CN104081994A - Screening and testing method for cotton varieties suitable for mechanical harvesting - Google Patents

Screening and testing method for cotton varieties suitable for mechanical harvesting Download PDF

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CN104081994A
CN104081994A CN201410324274.6A CN201410324274A CN104081994A CN 104081994 A CN104081994 A CN 104081994A CN 201410324274 A CN201410324274 A CN 201410324274A CN 104081994 A CN104081994 A CN 104081994A
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cotton
test
mechanization
screening
community
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周晓箭
杨代刚
马雄风
裴小雨
周克海
刘艳改
张文生
孟清芹
王海风
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Institute of Cotton Research of Chinese Academy of Agricultural Sciences
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Institute of Cotton Research of Chinese Academy of Agricultural Sciences
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Abstract

The invention discloses a screening and testing method for cotton varieties suitable for mechanical harvesting. The method includes the following steps that climatic factors of a test region are analyzed, the growth cycle of cotton is combined, and the suitable sowing time is selected, so that the boll opening stage of the cotton is centralized in the clear and crisp season with few overcast and rainy days; according to the basic requirement for the agricultural technology of a cotton picker, the number of rows, the rowledge allocation model and the design density of test areas are determined; test sowing is carried out in an area form; standardized cultivation and management are performed during the whole growth cycle of the cotton; all the test areas are respectively harvested through the mechanical cotton picker; according to the difference, in the aspects of the yield, the fiber quality, the feature of resisting disease and pest in fields and the like, of the different cotton varieties and difference caused by compatible degrees of the different cotton varieties and the mechanical cotton picker, the mechanical picking cotton varieties more suitable for mechanical harvesting are screened. Through systemic investigation and inspection, the cotton varieties suitable for mechanical harvesting are screened more accurately, and the process of mechanized production of the cotton is accelerated.

Description

A kind of mechanization gather screening and the test method of cotton variety
Technical field
The present invention relates to the mechanization cotton technical field of gathering, particularly relate to a kind of mechanization gather screening and the test method of cotton variety.
Background technology
30% left and right of output of cotton is plucked by machine in the world, wherein the U.S., Australia and Israel all realize the country of mechanization cotton picking in the world, and Bulgaria, Greece, Kazakhstan, Kirghizstan and Spain's cotton machine rate of adopting reach more than 70%.The U.S. is the country that experimental study mechanization is the earliest gathered, and within 1975, the cotton mechanization degree of plucking has reached 100%, ranks first in the world.
From 1996, the Production and Construction Corps of Xinjiang started to carry out introduction experiment and the scientific research and development of cotton picking machinery, and through experiment and demonstration for many years, under the support of public subsidies policy, the inputs of purchasing agricultural machinery at different levels increase substantially, and Agricultural Machinery Equipment level obviously improves.To 2012, formation's cotton picker recoverable amount reached more than 1500 platforms, formation's cotton machinery recovery ratio approximately 50%, and what have even reaches 100%.And ground cotton mechanization harvesting rate is zero substantially in China, carrying out small size experiment and demonstration, but various places many employings of machine cotton picking varietal yield test machine cotton picking mode cultivation, manual method of plucking carry out, do not use mechanization to gather and test.
Gather cotton and Traditional Man hand getting cotton of mechanization has very large difference on pattern, also has very big difference with breed breeding and culture technique in Traditional Textbooks.In fact cotton production mechanization is a revolution of Cotton Production, traditional cultivation is learned and is thought that wanting to improve output of cotton will extend the knot bell phase of effectively blooming as far as possible, to improve the output in cotton unit are in the production cycle, to adapt to by hand, gather in batches; The mechanization cotton of gathering requires the cotton variety florescence relatively concentrated, and cultivation management also requires to facilitate picking time relatively concentrated, blooms and in one month, concentrate blow-of-cottons to gather as concentrated in one month, to adapt to mechanization, gathers.Cotton production mechanization is a system engineering, for adapting to cotton mechanization, gather, need to carry out cotton variety seed selection and screening by mechanical harvesting instrument and means, to adapt and merge from the each side such as breed breeding, cultivation technique mode, Term Fertilization, conditioning agent use, defoliant use and cotton picker, finally also to mutually echo with unginned cotton's cotton ginning processing, just can make actively development steadily of cotton production mechanization.
As can be seen here, above-mentioned existing employing machine cotton picking mode cultivation, manual test method of plucking, obviously Shortcomings, can not fully reflect that cotton variety adapts to the characteristic of mechanical harvesting, be unfavorable for accelerating the stable development of cotton production mechanization, and be urgently further improved.How to found a kind of screening and test method that can meet the new cotton variety that mechanization gathers, becoming the current industry utmost point needs improved target.
Summary of the invention
The technical problem to be solved in the present invention is to provide and a kind ofly can meets cotton variety screening and the test method that mechanization is gathered and required, and can accelerate to realize cotton production mechanization, thereby overcome the deficiency of existing test method.
For solving the problems of the technologies described above, the invention provides a kind of mechanization gather screening and the test method of cotton variety, by the management of standardization, mechanized farming and the mechanization cotton of gathering, combine, and gather the cotton variety of participating in test at cotton variety that aspect output, fiber quality, field Resistant feature, screening adaptation mechanization is gathered by mechanization.
Described method comprises the steps:
(1) first by testing regional Analysis on Climatic Factor, and in conjunction with the growth cycle of cotton, and cotton is in the hot and humid characteristic that easily causes rotten peach of chance in the term of opening bolls, selects the applicable sowing time to making to concentrate on the term of opening bolls of cotton overcast and rainy few the clear and crisp days of autumn season;
(2) basic demand to agronomy according to mechanization cotton picker, determines the line number of cotton test community and the line-spacing configuration mode of line-spacing configuration mode and test region and design density; Test takes the form of community to plant respectively a plurality of different cotton varieties, and a plurality of repetitions are established in test;
(3) the standardized cultivation management of whole growth cycle implementation patternization to cotton, from experimental scheme, to machinery whole ground, trench digging, sowing, fertilising, insect protected, machinery pinch, growth regulator and defoliant use these mechanized operations, all should match with mechanization cotton picker and adapt to; The growthdevelopmental stage of cotton variety, regularity and growth potential, economical character, planting density and field resistance are carried out respectively to sampling survey and species test;
(4) use mechanization cotton picker by the mark of the cotton test community experimental plot cotton of gathering respectively, airing, blowing, cotton ginning and storage should be distinguished in different cotton test communities, calculate cotton test community unginned cotton and lint yield;
(5) difference causing in the degree that aspect output, fiber quality, field Resistant feature, difference and different cotton variety and mechanization cotton picker merge mutually according to different cotton varieties, screening adapts to the machine cotton picking flower variety that mechanization is gathered.
Further improve, in described step (1), the applicable seedtime in area, the Yangtze river basin is at the beginning of by the end of May to 6 month.
Further improve; in described step (2), between cotton test community and the edge of a field, be provided with the machine work road of turning and operating for larger machinery; cotton test community is provided with between repeating for cotton test community and receives and spend working path between the repetition of separating, and described machine work road plant cotton is as protection row.
Further improve, described cotton test community is with 3 behavior Yi Ge communities, and area is 20-30m 2, about 15m is wide in described machine work road, and between described repetition, the about 1.5m of working path is wide, the about 70m of described test region length, width is to have arranged all cotton varieties and both sides respectively to broadcast 3 row protection behavior degree.
Further improve, in described step (3), the investigation sample of the growthdevelopmental stage of cotton variety, regularity and growth potential is sampled from sample row, row in the middle of described sampling behavior cotton test community; The investigation sample of described economical character and species test is 10 cotton plants continuous in described sampling row; Described planting density and field resistance investigation sample are whole plant of described cotton test community.
Further improve, in described step (3), field resistance investigation is carried out for fusarium wilt and/or verticillium wilt, with numerical computations diseased plant rate and the disease of fusarium wilt and/or verticillium wilt occurrence in peak period, refers to.
Further improve, in described step (4), the fancy top that goes out of mechanization cotton picker is installed a collector, one end of described collector has a plurality of imports that fancy top number equates that go out with mechanization cotton picker, the single outlet of the other end of collector for communicating with a plurality of imports, the outlet of described collector is connected with the receipts flower bag of indicating cotton test cell number.
Further improve, described collector is made with nylon gauze.
Further improve, in described step (2), (4), mechanization cotton picker is the horizontal cotton picker of the spindle type of three row.
Adopt above-mentioned technical scheme, the present invention at least has the following advantages: the present invention is by investigating and analysing testing regional weather conditions, the whole growth cycle of cotton is realized to the standardization that matches and adapt to mechanization cotton picker, mechanized farming management, by the gather mechanized operation of cotton and in conjunction with the ultimate output of different cotton varieties of mechanization, fiber quality, the results that carry out many inquiries such as field Disease and insect resistance, filter out more accurately and adapt to the cotton variety that mechanization is gathered, fully reflection cotton variety adapts to the characteristic of mechanical harvesting, accelerate to realize the process that cotton mechanization is produced.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Fig. 1 is that the present invention participates in the cotton variety of test and experimental plot at field distribution schematic diagram.
Fig. 2 the present invention is directed to the gather collector schematic diagram of cotton of cotton variety community.
Embodiment
The present invention is by the mechanization degree that procedure inspection cotton variety and the machinery of gathering of cotton mutually merges of gathering, and at index screenings such as output, fiber quality, field Disease and insect resistances, more adapts to the cotton variety that mechanization is gathered in conjunction with the mechanization cotton variety of gathering.
First the present invention compares the Yangtze river basin and Xinjiang region weather: 1. aspect temperature and frost-free season: Yangtze Area latest frost in the spring phase is in the middle ten days and the last ten days in April, at the beginning of the autumn and winter frost season in mid or late November, approximately 230 days frost-free seasons; Xinjiang region latest frost in the spring phase at the beginning of 5 months by the end of April, at the beginning of autumn frost season in mid-October, about 160-180 days of frost-free season.2. aspect rainy season and dry season: Yangtze Area is with heavy rainfall, but skewness, plum rain season is obvious, at the beginning of by the end of June to 7 month, claim positive plum rains season, claiming autumn rain season to mid or late September by the end of August, and at early and middle ten days high temperature and drought in mid-July to August, in first arrival the clear and crisp days of autumn mid-November in October.Weather conditions in October first arrival mid-November in are during this period of time unfavorable for that fungus growth, rotten peach are few, and therefore, the Yangtze Area cotton boll blowing phase is arranged in this phase and is conducive to cotton boll blowing, and rotten peach is few, spends well rate high.Xinjiang region weather is drier, and evaporation discharge is more much bigger than precipitation, and Cotton Production is mainly by irrigating.Artificial pluck the term of opening bolls in mid-August to mid-October, mechanical harvesting term of opening bolls is by the end of September to early and middle ten days in October.
By arranging to the Analysis on Climatic Factor in area, the Yangtze river basin with in conjunction with local crops for rotation, and known through the tests study analysis of nearly 5 years: after oil, summer sowing cotton robbed and broadcast at the beginning of 6 months by the end of May, good conditions for soil moisture's lower 5 days left and right Qi Miao of situation, approximately 30 days seedling stages, approximately 28 days flower bud phases, bloom to blow-of-cottons approximately 50 days, the term of opening bolls about 25-30 days, the approximately 150 days time of infertility, it is the term of opening bolls after at the beginning of 10 months, just in time avoid mid-September in the hot and humid autumn rain season that easily causes rotten peach, brisk fall weather, without long-time wet weather, can significantly improve the rate of spending and pick up rate.
Secondly, because mechanization cotton picker has basic demand to agronomy, the line-spacing configuration mode that Xinjiang formation adopts is at present the form of (66+10) cm wide-and narrow-row, and mu density is between 1.2-1.5 ten thousand strains; The line-spacing configuration mode such as adopt is the form of 76cm single file interiorly, and mu density is between 0.6-0.7 ten thousand strains.A pilot region should adopt unified design density, should adopt with the sower of cotton picker line-spacing consistent size and sow, for example adopt the three row sowers supporting with the horizontal cotton picker of the spindle type line-spacing of three row to sow, can be adjusted to the needed spacing in the rows of design density by row spacing adjuster on sower.A plurality of different cotton varieties of form plantation of cotton test community are taked in test region, general 3 behavior Yi Ge communities, and 3 repetitions are established in test.
Again, the standardized cultivation management of whole growth cycle implementation patternization to cotton.From experimental scheme, to machinery whole ground, trench digging, sowing, fertilising, insect protected, machinery pinch, the mechanized operation such as growth regulator and defoliant are used, all should match with cotton picker and adapt to.The growthdevelopmental stage of cotton variety, regularity and growth potential, economical character, planting density and field resistance are carried out respectively to sampling survey and species test.
Wherein, the comparative test of cotton variety community, according to People's Republic of China's agricultural industry criteria (NY/T1302-2007) < < variety of crops experimental technique rules-cotton > >, require to test, random district, field group is arranged, plot width by three row cotton picker fields, operates the wide design of required line-spacing and railway carriage or compartment: Xinjiang and field, the Huanghe valley do not have drain ditch, as long as can arrange test; The many skewness of Yangtze river basin rainwater, field is provided with drain ditch, and three row cotton railway carriage or compartments are wide is 228cm-240cm, railway carriage or compartment furrow width 36cm, ditch depth 30cm, the wide 260cm of three row cotton picker fellys.Plantation such as each cotton variety is planted three row, the implementation line-spacing of Denging.Cotton test community area is 20-30m 2, i.e. zone leader 8.77m-13.16m, wide 2.28m, general all cotton tests community area is identical.Nei Dimei community about cotton receiving flower 7-12kg, Xinjiang region about cotton receiving flower 20kg.Shown in accompanying drawing 1, between cotton test community and the edge of a field, be provided with the machine work road of turning and operating for larger machinery, cotton test community is provided with working path between the repetition of separating for cotton test community receipts flower between repeating.The about 15m of distance at cotton test community and the edge of a field is wide, as machine work road, is convenient to the turning operation of larger machinery.Can go as protection by plant cotton in machine work road.Between repetition, working path is 1.5m, is convenient to community and receives flower separation and pilot survey.The about 70m of test region length, width is to have arranged all cotton varieties and both sides respectively to broadcast 3 row protection behavior degree.
Shown in accompanying drawing 2, the present invention also improves and adjusts the machinery of gathering, the fancy top that goes out at mechanization cotton picker is installed a collector, collector is made with nylon gauze, be equivalent to gloves with three " fingers ", its three " finger " is enclosed within respectively three of picking machine and goes out on fancy top, " arm " that be finally pooled to gloves brings out mouth, this " arm " brings out mouth and is connected with receipts flower bag, make 3 to go out cotton that fancy top sends and collect one and receive in flower bag, inside and outside receiving flower bag, all place the flexible plastic label of indicating cell number, after being convenient to gather, carry out post-processed.Airing, blowing, cotton ginning and storage should be distinguished in different cotton test communities, calculate cotton test community unginned cotton and lint yield.
Finally, because the feature between cotton variety has bigger difference, according to the output between cotton variety, fiber quality, field Resistant feature difference and by the mechanization difference that degree that procedure inspection cotton variety and the machinery of cotton merges mutually causes of gathering, screen, therefrom select more to adapt to the machine cotton picking flower variety that mechanization is gathered.
Below to the gather screening of cotton variety and project is recorded in the field investigation in test method and sampling method is briefly described of mechanization of the present invention:
1. growthdevelopmental stage
Record sowing time, seeding stage, flowering stage, the term of opening bolls (cotton plant that the date of each phase is 50% reaches each phase effect) and breeding time (number of days from seeding stage to the term of opening bolls).Whole plant of wherein fixedly choosing sampling row in representational twice repetition in flowering stage and the term of opening bolls, investigation is bloomed and blow-of-cottons percentage, asks the mean value of twice repetition.Sampling behavior cotton test community middle row.
2. regularity and growth potential
Estimate the uniformity (being regularity) of each community plant forms and the vigorous degree (being growth potential) of plant development in seedling stage, florescence, the term of opening bolls.The quality of regularity and growth potential all uses 1 (good), 2 (better), 3 (generally), 4 (poor), 5 (poor) to represent.
3. economical character
Interiorly before and after September 30, high, the plant height in " Invest, Then Investigate " cotton plant fruit branch joint position before September 10, Xinjiang, individual plant fruit branch number, single-strain bell-forming number, all choose continuous 10 strains in sampling row and investigate, investigate two repetitions, average.
Wherein, cotton plant fruit branch joint position high (cm) is that cotton is from the height of ground to the first fruit branch joint position; Plant height (cm) is from ground to the height on stem top; Individual plant fruit branch number is cotton plant stem fruit branch quantity; Bolls per plant is the individual one-tenth of cotton plant bell number.
4. planting density
4.1 design density: converse 666.7m by spacing in the rows and line-spacing 2the strain number of area.
4.2 actual densities: investigate the actual strain number in every community before results cotton, be converted into 666.7m 2the strain number of area.
4.3 rates (%) of being short of seedling: actual density and the difference of design density account for the percentage of design density.When actual density, represents with "+" number before percentage during density higher than design, otherwise with "-" number expression.
5. disease resistance field investigation
In fusarium wilt and verticillium wilt occurrence in peak period, respectively investigate 1 time, also can be regardless of fusarium wilt and verticillium wilt, mixed raw result for fusarium wilt and verticillium wilt, investigate each whole plant in cotton test community, severity Scaling standard adopts 5 grades of methods to carry out state of an illness investigation, gets the numerical computations of fusarium wilt and verticillium wilt occurrence in peak period:
Diseased plant rate (%)=(total strain number of falling ill/investigate total strain number) * 100%;
Refer to=[diseased plant numbers at different levels are multiplied by respectively corresponding progression sum/(investigating total strain number * 4)] * 100 of disease.
Severity Scaling standard is as follows: fusarium wilt severity Scaling standard: 0 grade is that appearance is without symptom; 1 grade is diseased plant blade aobvious symptom below 25%, and plant type is normal; 2 grades is the aobvious symptom of blade 25%-50%, the micro-aobvious dwarfing of plant type; 3 grades is that blade more than 50% shows symptom, and plant type is downgraded; 4 grades is the wilting death of diseased plant.
Verticillium wilt severity Scaling standard: 0 grade is that appearance is without symptom; 1 grade is diseased plant blade aobvious symptom below 25%; 2 grades is the aobvious symptom of blade 25%-50%; 3 grades is that blade more than 50% shows symptom, has minority blade to wither and fall; 4 grades complete withered or come off for blade, and productivity is very low.
6. species test and sampling
The single bells of 6.1 complete stools heavy (g)
Sampling before mechanical harvesting, all blow-of-cottons cotton bolls 10 strains (band boll and bell handle) are received continuously from centre row in every community, record blue or green bell sum and calculate blow-of-cottons rate by bell handle number scale record wadding bell number, during species test, weighing blow-of-cottons cotton boll unginned cotton weighs and boll weight, the single bell of calculating complete stool is heavy, boll weight, survey boll hull ratio, and calculate complete stool ginning outturn with leather roller machine cotton ginning, gined cotton keeps sample and detects complete stool fiber quality.Wherein ginning outturn (%) accounts for unginned cotton's total weight percent for gined cotton.
6.2 seeds refer to
In measuring the sample that single bell is heavy, every kind random sampling, take 100 cottonseeds for every part and weighs as unit, and the weight of hundred cottonseeds of gained is that seed refers to.Two are repeated to average.
7. receive flower, cotton ginning
7.1 receive flower
In receipts, spend optimum period Nei Fen community to gather, receive flower bag according to cell id and kind Code Number.The new unginned cotton of receipts wants timely airing.Gathering, in the operating process such as airing, storage, blowing, cotton ginning, to strictly prevent entanglement.
7.2 cotton ginning
Before cotton ginning, will carry out unginned cotton to machine cotton receiving and clear up removal of impurities, and should thoroughly clear up cotton ginning workshop and facility, often roll Yi Ge community sample, facility should be cleaned out.Sample by number before cotton ginning unginned cotton weigh (g), roll rear gined cotton and weigh (g), cottonseed is placed in the sample sack of same numbering standby.The percentage that accounts for unginned cotton's weight by sampling the gined cotton weight of sample is calculated sample ginning outturn.
8. cell production (g)
8.1 No. one time, community machines are received unginned cotton's output (g)
Area, the Yangtze river basin before November 10, area, the Huanghe valley before October 25, Northwest inland area is community unginned cotton's gross weight from starting to receive flower to the unginned cotton's (containing stiff lobe) who gathers in withered frost season 5 days, unginned cotton counts clean unginned cotton's weight of producing with by after the cleaning of unginned cotton's descaling machine and is as the criterion.
8.2 community lint yields (g)
Community unginned cotton's gross weight obtains gined cotton weight after by cotton ginning, and the gined cotton weight by each community accounts for the percentage of unginned cotton's gross weight and calculates full-page proof ginning outturn.
The present invention screens in the difference of the aspects such as output, fiber quality, field Resistant feature and by the mechanization difference that degree that the different cotton varieties of procedure inspection and the machinery of cotton merges mutually causes of gathering from different cotton varieties, therefrom select to adapt to the machine cotton picking flower variety that mechanization is gathered completely, can accelerate to realize cotton production mechanization.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.

Claims (10)

1. mechanization screening and the test method of cotton variety of gathering, it is characterized in that, by the management of standardization, mechanized farming and the mechanization cotton of gathering, combine, and gather the cotton variety of participating in test at cotton variety that aspect output, fiber quality, field Resistant feature, screening adaptation mechanization is gathered by mechanization.
2. mechanization according to claim 1 screening and the test method of cotton variety of gathering, is characterized in that, described method comprises the steps:
(1) first by testing regional Analysis on Climatic Factor, and in conjunction with the growth cycle of cotton, and cotton is in the hot and humid characteristic that easily causes rotten peach of chance in the term of opening bolls, selects the applicable sowing time to making to concentrate on the term of opening bolls of cotton overcast and rainy few the clear and crisp days of autumn season;
(2) basic demand to agronomy according to mechanization cotton picker, determines the line number of cotton test community and the line-spacing configuration mode of line-spacing configuration mode and test region and design density; Test takes the form of community to plant respectively a plurality of different cotton varieties, and a plurality of repetitions are established in test;
(3) the standardized cultivation management of whole growth cycle implementation patternization to cotton, from experimental scheme, to machinery whole ground, trench digging, sowing, fertilising, insect protected, machinery pinch, growth regulator and defoliant use these mechanized operations, all should match with mechanization cotton picker and adapt to; The growthdevelopmental stage of cotton variety, regularity and growth potential, economical character, planting density and field resistance are carried out respectively to sampling survey and species test;
(4) this tests the cotton of each community to use mechanization cotton picker to gather respectively by the mark of cotton test community, and airing, blowing, cotton ginning and storage should be distinguished in different cotton test communities, calculates cotton test community unginned cotton and lint yield;
(5) difference that the degree mutually merging at the difference aspect output, fiber quality, field Resistant feature and different cotton variety and mechanization cotton picker according to different cotton varieties causes, the machine cotton picking flower variety that screening adaptation mechanization is gathered.
3. mechanization according to claim 2 screening and the test method of cotton variety of gathering, is characterized in that, in described step (1), the applicable seedtime in area, the Yangtze river basin is at the beginning of by the end of May to 6 month.
4. mechanization according to claim 2 screening and the test method of cotton variety of gathering; it is characterized in that; in described step (2), between cotton test community and the edge of a field, be provided with the machine work road of turning and operating for larger machinery; cotton test community is provided with between repeating for cotton test community and receives and spend working path between the repetition of separating, and described machine work road plant cotton is as protection row.
5. mechanization according to claim 4 screening and the test method of cotton variety of gathering, is characterized in that, described cotton test community is with 3 behavior Yi Ge communities, and area is 20-30m 2, about 15m is wide in described machine work road, and between described repetition, the about 1.5m of working path is wide, the about 70m of described test region length, width is to have arranged all cotton varieties and both sides respectively to broadcast 3 row protection behavior degree.
6. mechanization according to claim 2 screening and the test method of cotton variety of gathering, it is characterized in that, in described step (3), to the sampling from sample row of the investigation sample of the growthdevelopmental stage of cotton variety, regularity and growth potential, in the middle of described sampling behavior cotton test community, go; The investigation sample of described economical character and species test is 10 cotton plants continuous in described sampling row; Described planting density and field resistance investigation sample are whole plant of described cotton test community.
7. mechanization according to claim 2 screening and the test method of cotton variety of gathering, it is characterized in that, field resistance investigation is carried out for fusarium wilt and/or verticillium wilt in described step (3), with numerical computations diseased plant rate and the disease of fusarium wilt and/or verticillium wilt occurrence in peak period, refers to.
8. mechanization according to claim 2 screening and the test method of cotton variety of gathering, it is characterized in that, in described step (4), the fancy top that goes out of mechanization cotton picker is installed a collector, one end of described collector has a plurality of imports that fancy top number equates that go out with mechanization cotton picker, the single outlet of the other end of collector for communicating with a plurality of imports, the outlet of described collector is connected with the receipts flower bag of indicating cotton test cell number.
9. mechanization according to claim 8 screening and the test method of cotton variety of gathering, is characterized in that, described collector is made with nylon gauze.
10. mechanization according to claim 2 screening and the test method of cotton variety of gathering, is characterized in that, in described step (2), (4), mechanization cotton picker is the horizontal cotton picker of the spindle type of three row.
CN201410324274.6A 2014-07-08 2014-07-08 Screening and testing method for cotton varieties suitable for mechanical harvesting Pending CN104081994A (en)

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CN108605779A (en) * 2016-12-28 2018-10-02 中国农业科学院棉花研究所 A kind of cotton thin planting precocity High-quality Cultivation method
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CN113940248B (en) * 2021-10-14 2022-05-13 新疆农垦科学院 Cotton-boll two-stage accurate identification method for boll opening concentration of cotton varieties
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CN116076322A (en) * 2023-02-09 2023-05-09 广西壮族自治区农业科学院 Rolling-resistant sugarcane variety screening method

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Application publication date: 20141008