CN114128552B - Investigation method for growth traits and yield of dragon fruits - Google Patents
Investigation method for growth traits and yield of dragon fruits Download PDFInfo
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention discloses a method for investigating growth characters and yield of dragon fruits, which comprises a hanging orchard investigation stage and a new seedling investigation stage; the method comprises the following steps: s1-1, investigating the number of flowers and fruits in the tree, and accounting the ratio of flowers to branches and plants; s1-2, investigating fruit diameter and yield; s2-3, investigating the length of the side branches; the new seedling investigation stage comprises the following steps: s2-1, investigating the growth length; s2-2, investigating the germination rate of lateral buds; s2-3, examining the length of the side branches. The invention can collect accurate planting data, predict when to bloom, what time and result, how to bloom proportion and the like for decision analysis, can assist agricultural technicians to quickly master the growth information of the base dragon fruits, improve quality control, improve working efficiency, provide data basis for management decisions of base managers, provide prospective management opinions for the base, and improve planting and management benefits of the dragon fruits.
Description
Technical Field
The invention relates to the technical field of dragon fruit planting, in particular to a method for investigating the growth characteristics and yield of dragon fruits.
Background
In recent years, the dragon fruits are deeply favored by consumers, and the planting area of the dragon fruits is continuously enlarged by adding the current rural land circulation, so that the industrialized production is developed from sporadic planting. By the end of 2020, the planting area of the dragon fruits of Guangxi nan Ning reaches 17.54 mu, and the nan Ning becomes one of the biggest dragon fruit producing areas nationally and accounts for one fifth of the total area of the dragon fruits nationally. The large planting area causes a problem of planting management.
The dragon fruit is a tropical fruit of Cactaceae, can bloom and fruit in the same year by field planting in the same year, and can fruit in two batches in the same year by new planting. If the planting is performed for more than two years, 8-10 batches can be obtained under the natural light condition, and 2-3 batches can be added under the light supplementing condition. However, not every batch of flowers and fruits need to be reserved, a dragon fruit producer needs to select and reserve according to the flowering proportion, market conditions and weather conditions of the same batch of flowers of the whole base, and each decision needs to be supported by data; and the pitaya planting has the management problems of multiple batches of flowers and fruits, low single batch yield, different batch waiting periods and the like. Therefore, in the same growth stage, the phenomenon of overlapping flowers and fruits in different batches before and after the phenomenon of overlapping is caused, the workload is high, the management difficulty is high, and experienced technicians or growers are required to judge the growth condition, the flower-out proportion and the like of the dragon fruit branches of the dragon fruits. If the management is not in place, the problems of inconsistent fruit proportion, poor fruit quality, serious pest damage and the like of the dragon fruit can occur. In order to avoid the problems, a method for investigating the growth characteristics and yield of the dragon fruits is needed in the early stage, accurate planting data can be collected, decision analysis is performed on the timing of flowering, the time of fruiting, the flowering proportion and the like, agricultural technicians can be assisted in rapidly grasping the growth information of the dragon fruits of the base, quality control is improved, working efficiency is improved, data basis is provided for management decisions of a manager of the base, prospective management opinion is provided for the base, and planting and management benefits of the dragon fruits are improved.
Disclosure of Invention
The invention provides a method for investigating growth traits and yield of dragon fruits, which can collect accurate planting data, predict when to bloom, what time to bear results, how to bloom proportion and the like for decision analysis, can assist agricultural technicians to quickly master growth information of the dragon fruits at a base, improve quality control, improve working efficiency, provide data basis for management decisions of a base manager, provide prospective management opinion for the base, and improve planting and management benefits of the dragon fruits.
In order to solve the problems, a method for investigating the growth characters and the yield of the dragon fruits is provided, which comprises an orchard investigation stage and a new seedling investigation stage;
the investigation stage of the hanging tree is carried out in a dragon planting base within 5-10 months in one year, and comprises the following steps:
s1-1, investigating the number of flowers and fruits in the tree, accounting the ratio of flowers to branches and plants, and the ratio of flowers to fruits to plants, wherein the specific investigation method is as follows; selecting dragon fruits among three columns in the investigation points according to the first investigation point selection rules, and counting the number of plants, the total quantity of branches, the number of branches with buds and the number of branches with fruits; according to one surface of the double-row double-line number, the two surfaces of the double-row single-line number and the two surfaces of the single-row single-line number are investigated; respectively investigating the fruits of the dragon fruits according to the color-changing fruits and the green fruits in different batches; the flower of the dragon fruit is researched and clearly distinguished according to the flower buds within 7 days of light extraction, namely, the large flower buds which bloom, and the time of changing colors of flowers, blooms and fruits of the base are recorded; if counting that the number of the branches of the flowers can reach more than 10 percent of the proportion of the branches, selecting and reserving flowers can be considered; each batch of flowers can be selected and remained according to the proportion of the flower quantity; removing small batches of flowers, so that nutrition is intensively supplied, and reserving the flowers when the batches are large, thereby increasing the mu yield of single batches;
s1-2, investigating fruit diameter and yield: selecting dragon fruit and olive among three columns in the investigation region according to the second investigation point selection rule; measuring the fruit diameters of all the dragon fruits which are turned or are to be turned according to the measurement rule by using a vernier caliper, and not measuring the Chinese olive within 20 days of the time of flowers falling; investigation is carried out on branches of dragon fruit plants among three columns to obtain the plant ratio and the branch ratio of the color-changing fruits, then the average fruit weight calculated by combining fruit diameter results is combined to obtain an mu yield estimated value, the fruit diameter of a group of recently marketed fruiting fruits is calculated, and the large and small fruit occupation ratio is estimated;
s1-3, measuring the yield of the ground head, namely selecting a survey area according to a second survey point selection rule, and intersecting the survey area with a sampling point selected by a fruit sampling rule to obtain a final sampling point; selecting three columns in the final sampling point to collect all the dragon fruits; measuring the fruit diameters of all collected dragon fruits by a vernier caliper according to a measurement rule, weighing all single fruits by an electronic balance and recording; estimating the pre-harvest yield of the whole land or orchard by a single fruit weighing mode;
the new seedling planting investigation stage is used for investigating the fixed seedling planting of the dragon fruits in the period of no shelf-up between the two columns, and comprises the following steps:
s2-1, investigation of growth length: according to the growth length investigation frequency, investigating the growth length of main branches of the pitaya field planting seedling according to an investigation method, wherein the investigation method comprises the following steps: selecting any one of the dragon fruit field planting seedlings between the two columns in the investigation points according to the rule of dropping the first investigation points, measuring the length of a main branch selected by the dragon fruit field planting seedlings by taking a tape, measuring from the branch point of the main stem to the top end of the branch, and recording the growth length of the main branch of the dragon fruit field planting seedlings;
s2-2, investigation of the germination rate of side branches and buds: selecting all dragon fruit field seedlings between the two columns, selecting reserved side branch bud points according to a reserved bud principle of the side branch buds, and carrying out fixed point observation; counting the number of plants with lateral buds and lateral buds, and beginning investigation of the lateral length of the pitaya field planting seedlings with lateral buds;
s2-3, investigation of the length of the side branches: performing fixed-point measurement on the dragon fruit field planting seedling plant in the step S2-1, and investigating according to one side of double-row double-line measurement, double-row single-line measurement and double-side single-line measurement; measuring from the side bud point of the steel strand according to the side branch investigation frequency until the side branch is truncated; measuring the length of each side branch by the number of the side branches selected from the main branches, wherein the number of the side branches is not more than 3; if the number of the measured side branches exceeds 3, suggesting that a fruit field manager select buds; the results of the survey of the length of the side branches are used to provide growth data later on to the newly planted dragon fruit base growth and management nodes.
Particularly, the first investigation point selection rule is that 5 investigation points are selected if the number of the dragon planting bases is 100 mu; if the dragon planting base is larger than 100 mu, one more investigation points are added for each 50 mu; if the dragon planting base is smaller than 100 mu, at least 5 investigation points are selected.
In particular, the second investigation point selection rule is based on double-row double-line measurement one surface, double-row single-line measurement two surfaces and single-row single-line measurement two surface investigation areas; if the fruits are less in the land block, each investigation region does not exceed 30 fruits, and the investigation region is enlarged to 4 columns; the investigation region was not yet enlarged for 30 fruits, and was enlarged to 5 columns, and so on, until the number of fruits was measured for 30 or more, the investigation region was not confirmed.
Particularly, the fruit picking and sampling rule is as follows, 5 sampling points are selected in each 100 mu of the dragon planting base; if the area of the dragon planting base is larger than more than 100 mu of the base, measuring points are added every 50 mu of the base; the distance between the sampling points is measured such that there is no second sampling point within 30 meters of the radius of one sampling point.
In particular, the growth length investigation frequency is at least once per week, until the dragon fruit is fixed to plant seedlings and bend seedlings;
particularly, the principle of bud reservation of the lateral branch buds is that the dragon fruit fixed planting seedlings of the steel stranded wires with growth positions lower than 20cm are not used as the lateral branch bud points, and the rest dragon fruit fixed planting seedlings are used as the lateral branch bud points.
In particular, the collateral investigation frequency is measured at least once per week until the pitaya field seedling plants are truncated.
In particular, the measurement rule is that the vernier caliper cannot be clamped on the scales of the dragon fruit during measurement.
The invention has the beneficial effects that:
the invention adopts a manual measurement method to measure the growth length of the branches, pre-judge the growth speed of the branches, and the time for topping and the time for blooming after topping; the method has the advantages that the flower and fruit proportion, the fruit size proportion and the fruit yield are measured, accurate planting data can be collected, when flowering, time and result, how the flowering proportion and the like are predicted to carry out decision analysis, agricultural technicians can be assisted in rapidly grasping the growth information of the base dragon fruits, selecting and reserving different batches of flowers and fruits can be predicted, the per-mu yield of single batches is increased, technical support is provided for increasing the quality and the yield of fruits, quality control is improved, working efficiency is improved, data basis is provided for management decisions of a base manager, prospective management comments are provided for the base, and planting and management benefits of the dragon fruits are improved.
Detailed Description
The following detailed description of the preferred embodiments of the invention is provided to enable those skilled in the art to more readily understand the advantages and features of the invention and to make a clear and concise definition of the scope of the invention.
It should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an azimuth or a positional relationship based on an azimuth or a positional relationship, or an azimuth or a positional relationship that the inventive product is conventionally put in use, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The investigation method for the growth characters and the yield of the dragon fruits comprises an orchard investigation stage and a new seedling investigation stage.
The fruit tree of the dragon fruit is basically divided into two time periods of 11 months to 4 months and 5 months to 10 months respectively. 11 months to 4 months, in main planting areas such as Guangxi and the like, no other measures or facilities are added due to the influence of air temperature, and the dragon fruits basically do not pop buds under natural conditions; in the period of 5 months to 10 months, along with the temperature rise and the illumination influence, the dragon fruit plants are in the state of dense flower emergence and fruit bearing and are basically in the peak of fruit bearing, so that the investigation stage of the fruit bearing tree is appointed to be executed in the period of 5 months to 10 months.
The investigation phase of the fruit tree is carried out in a dragon planting base within 5-10 months in one year, and comprises the following steps:
s1-1, investigating the number of flowers and fruits in a tree, accounting the ratio of flowers to branches and plants, and the ratio of flowers to fruits to plants, wherein the specific investigation method is as follows; selecting dragon fruits among three columns in the investigation points according to the first investigation point selection rules, and counting the number of plants, the total quantity of branches, the number of branches with buds and the number of branches with fruits; the first investigation point selection rule is that 5 investigation points are selected if the number of the dragon planting bases is 100 mu; if the dragon planting base is larger than 100 mu, one more investigation points are added for each 50 mu; if the dragon planting base is smaller than 100 mu, at least 5 investigation points are selected. According to one surface of the double-row double-line number, the two surfaces of the double-row single-line number and the two surfaces of the single-row single-line number are investigated; respectively investigating the fruits of the dragon fruits according to the color-changing fruits and the green fruits in different batches; the flower of the dragon fruit is researched and clearly distinguished according to the flower buds within 7 days of light extraction, namely, the large flower buds which bloom, and the time of changing colors of flowers, blooms and fruits of the base are recorded; if counting that the number of the branches of the flowers can reach more than 10 percent of the proportion of the branches, selecting and reserving flowers can be considered; each batch of flowers can be selected and remained according to the proportion of the flower quantity; small batches of flowers are removed, so that nutrition is intensively supplied, and the flowers remain when the batches are large, and the mu yield of single batches is increased.
S1-2, investigating fruit diameter and yield: selecting dragon fruit and olive among three columns in the investigation region according to the second investigation point selection rule; measuring the fruit diameters of all the dragon fruits which are turned or are to be turned according to the measurement rule by using a vernier caliper, and not measuring the Chinese olive within 20 days of the time of flowers falling; investigation is carried out on branches of dragon fruit plants among three columns to obtain the plant ratio and the branch ratio of the color-changing fruits, then the average fruit weight calculated by combining fruit diameter results is combined to obtain an mu yield estimated value, the fruit diameter of a group of recently marketed fruiting fruits is calculated, and the large and small fruit occupation ratio is estimated; prepare for market quotes. The measurement rule is that the vernier caliper cannot be clamped on the scales of the dragon fruit during measurement. The second investigation point selection rule is based on double-row double-line measurement one surface, double-row single-line measurement two surfaces and single-row single-line measurement two surface investigation regions; if the fruits are less in the land block, each investigation region does not exceed 30 fruits, and the investigation region is enlarged to 4 columns; the investigation region was not yet enlarged for 30 fruits, and was enlarged to 5 columns, and so on, until the number of fruits was measured for 30 or more, the investigation region was not confirmed.
S1-3, measuring the yield of the ground head, namely selecting a survey area according to a second survey point selection rule, and intersecting the survey area with a sampling point selected by a fruit sampling rule to obtain a final sampling point; selecting three columns in the final sampling point to collect all the dragon fruits; measuring the fruit diameters of all collected dragon fruits by a vernier caliper according to a measurement rule, weighing all single fruits by an electronic balance and recording; and the pre-harvest yield of the whole land or orchard is estimated in a single-fruit weighing mode, and target data are provided for subsequent management. The measurement rule is that the vernier caliper cannot be clamped on the scales of the dragon fruit during measurement. The second investigation point selection rule is based on double-row double-line measurement one surface, double-row single-line measurement two surfaces and single-row single-line measurement two surface investigation regions; if the fruits are less in the land block, each investigation region does not exceed 30 fruits, and the investigation region is enlarged to 4 columns; the investigation region was not yet enlarged for 30 fruits, and was enlarged to 5 columns, and so on, until the number of fruits was measured for 30 or more, the investigation region was not confirmed. The fruit picking and sampling rules are as follows, 5 sampling points are selected in each 100 mu of the dragon planting base; if the area of the dragon planting base is larger than more than 100 mu of the base, measuring points are added every 50 mu of the base; the distance between the sampling points is measured such that there is no second sampling point within 30 meters of the radius of one sampling point.
The new seedling planting investigation stage is used for investigating the fixed seedling planting of the dragon fruits in the period of no frame-up between the two columns and comprises the following steps:
s2-1, investigation of growth length: according to the growth length investigation frequency, investigating the growth length of the main branches of the pitaya fixed planting seedlings according to an investigation method, wherein the growth length investigation frequency is carried out at least once per week until the pitaya fixed planting seedlings are bent; the investigation method for investigating the growth length is as follows: selecting any one of the dragon fruit field planting seedlings between the two columns in the investigation points according to the rule of dropping the first investigation points, measuring the length of the main branch selected and reserved by the dragon fruit field planting seedlings by taking a tape, measuring from the branch point of the main stem to the top end of the branch, and recording the growth length of the main branch of the dragon fruit field planting seedlings. The first investigation point selection rule is that 5 investigation points are selected if the number of the dragon planting bases is 100 mu; if the dragon planting base is larger than 100 mu, one more investigation points are added for each 50 mu; if the dragon planting base is smaller than 100 mu, at least 5 investigation points are selected.
S2-2, investigation of the germination rate of side branches and buds: selecting all dragon fruit field seedlings between the two columns, selecting reserved side branch bud points according to a reserved bud principle of the side branch buds, and carrying out fixed point observation; counting the number of plants with lateral buds and lateral buds, and beginning investigation of the lateral length of the pitaya field planting seedlings with lateral buds; the principle of leaving lateral buds is that the dragon fruit fixed planting seedlings of the steel strands with growth positions lower than 20cm are not used as the lateral bud leaving points, and the rest dragon fruit fixed planting seedlings are used as the lateral bud leaving points.
S2-3, investigation of the length of the side branches: performing fixed-point measurement on the dragon fruit field planting seedling plant in the step S2-1, and investigating according to one side of double-row double-line measurement, double-row single-line measurement and double-side single-line measurement; measuring from the side bud point of the steel strand according to the side branch investigation frequency until the side branch is truncated; the frequency of side branch investigation was measured at least once per week until the pitaya field seedling plants were truncated. Measuring the length of each side branch by the number of the side branches selected from the main branches, wherein the number of the side branches is not more than 3; if the number of measured side branches exceeds 3, the fruit field manager is recommended to select buds. The results of the survey of the length of the side branches are used to provide growth data later on to the newly planted dragon fruit base growth and management nodes.
While the embodiments of the present invention have been described, various modifications or adaptations can be made by the patentee within the scope of the following claims, and are intended to be within the scope of the invention as described in the claims. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely a preferred embodiment of the invention, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present invention, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (8)
1. A method for investigating the growth characters and the yield of dragon fruits is characterized in that: the method comprises a fruit tree hanging investigation stage and a new seedling planting investigation stage;
the fruit tree investigation stage is executed in a dragon fruit planting base within 5-10 months in one year, and comprises the following steps:
s1-1, investigating the number of flowers and fruits in the tree, accounting the ratio of flowers to branches and plants, and the ratio of flowers to fruits to plants, wherein the specific investigation method is as follows; selecting dragon fruits among three columns in the investigation points according to the first investigation point selection rules, and counting the number of plants, the total quantity of branches, the number of branches with buds and the number of branches with fruits; the statistics are carried out according to one side of double-row double-line numbers, the statistics are carried out on two sides of double-row single-line numbers, and the statistics are carried out on two sides of single-row single-line numbers; respectively investigating the fruits of the dragon fruits according to the color-changing fruits and the green fruits in different batches; the flower of the dragon fruit is researched and clearly distinguished according to the flower buds within 7 days of light extraction, namely, the large flower buds which bloom, and the time of changing colors of flowers, blooms and fruits of the base are recorded; counting the number of the branches with the flowers reaching more than 10 percent, and selecting and reserving flowers; determining whether to select flowers according to the proportion of the flower quantity for each batch of flowers; removing small batches of flowers, so that nutrition is intensively supplied, and reserving the flowers when the batches are large, thereby increasing the mu yield of single batches;
s1-2, investigating fruit diameter and yield: selecting dragon fruit and olive among three columns in the investigation region according to the second investigation point selection rule; measuring the fruit diameters of all the dragon fruits which are turned or are to be turned according to the measurement rule by using a vernier caliper, and not measuring the Chinese olive within 20 days of the time spent in the color-reducing process; investigation is carried out on branches of dragon fruit plants among three columns to obtain the plant ratio and the branch ratio of the color-changing fruits, then the average fruit weight calculated by combining fruit diameter results is combined to obtain an mu yield estimated value, the fruit diameter of a group of recently marketed fruiting fruits is calculated, and the large and small fruit occupation ratio is estimated;
s1-3, measuring the yield of the ground head, namely selecting a survey area according to a second survey point selection rule, and intersecting the survey area with a sampling point selected by a fruit sampling rule to obtain a final sampling point; selecting three columns in the final sampling point to collect all the dragon fruits; measuring the fruit diameters of all collected dragon fruits by a vernier caliper according to a measurement rule, weighing all single fruits by an electronic balance and recording; estimating the pre-harvest yield of the whole land or orchard by a single fruit weighing mode;
the new seedling planting investigation stage is used for investigating the fixed seedling planting of the dragon fruits in the period of no shelf-up between the two columns, and comprises the following steps:
s2-1, investigation of growth length: according to the growth length investigation frequency, investigating the growth length of main branches of the pitaya field planting seedling according to an investigation method, wherein the investigation method comprises the following steps: selecting any one of the dragon fruit field planting seedlings between the two columns in the investigation points according to the first investigation point selection rules, measuring the length of a main branch selected by the dragon fruit field planting seedlings by taking a tape, measuring from the branch point of the main stem to the top end of the branch, and recording the growth length of the main branch of the dragon fruit field planting seedlings;
s2-2, investigation of the germination rate of side branches and buds: selecting all dragon fruit field seedlings between the two columns, selecting reserved side branch bud points according to a reserved bud principle of the side branch buds, and carrying out fixed point observation; counting the number of plants with lateral buds and lateral buds, and beginning investigation of the lateral length of the pitaya field planting seedlings with lateral buds;
s2-3, investigation of the length of the side branches: performing fixed-point measurement on the dragon fruit field planting seedling plant in the step S2-1, and investigating according to one side of double-row double-line measurement, double-row single-line measurement and double-side single-line measurement; measuring from the side bud point of the steel strand according to the side branch investigation frequency until the side branch is truncated; measuring the length of the side branches of all the side branches selected and reserved on the main branch, wherein the number of the side branches is not more than 3; if the number of the measured side branches exceeds 3, selecting buds by a fruit farm manager; the results of the survey of the length of the side branches are used to provide growth data later on to the newly planted dragon fruit base growth and management nodes.
2. The method for investigating the growth traits and yield of dragon fruits according to claim 1, wherein: the first investigation point selection rule is that the dragon fruit planting base is 100 mu, and 5 investigation points are selected; the planting base of the dragon fruits is larger than 100 mu, and each 50 mu of planting base is added with one more investigation point; and selecting at least 5 investigation points when the pitaya planting base is smaller than 100 mu.
3. The method for investigating the growth traits and yield of dragon fruits according to claim 1, wherein: the second investigation point selection rule is based on double-row double-line measurement one surface, double-row single-line measurement two surfaces and single-row single-line measurement two surface investigation areas; in plots with less fruit bearing amount, each investigation region is not more than 30 fruits, and the investigation region is enlarged to 4 columns; the investigation region was not yet enlarged for 30 fruits, and was enlarged to 5 columns, and so on, until the number of fruits was measured for 30 or more, the investigation region was not confirmed.
4. The method for investigating the growth traits and yield of dragon fruits according to claim 1, wherein: the fruit picking and sampling rules are as follows, 5 sampling points are selected in each 100 mu of the dragon fruit planting base; the area of the dragon fruit planting base is larger than more than 100 mu, and a sampling point is added to each 50 mu of measuring points; the distance between the sampling points is measured such that there is no second sampling point within 30 meters of the radius of one sampling point.
5. The method for investigating the growth traits and yield of dragon fruits according to claim 1, wherein: the growth length investigation frequency is at least carried out once a week until the dragon fruit is fixed to plant seedlings and bend seedlings.
6. The method for investigating the growth traits and yield of dragon fruits according to claim 1, wherein: the side branch buds of the steel strand with the growth position lower than 20cm are not used as side branch bud points, and the rest side branch buds are used as side branch bud points.
7. The method for investigating the growth traits and yield of dragon fruits according to claim 1, wherein: the side branch investigation frequency is measured at least once a week until the pitaya field planting seedling plants are truncated.
8. The method for investigating the growth traits and yield of dragon fruits according to claim 1, wherein: the measurement rule is that the vernier caliper cannot be clamped on the scales of the dragon fruit during measurement.
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| JP2010166851A (en) * | 2009-01-22 | 2010-08-05 | Chiharu Hongo | Method and device for predicting crop yield |
| AU2020103500A4 (en) * | 2020-11-18 | 2021-01-28 | Sichuan Agricultural University | Integrated Quality Evaluation Method for Huangguogan |
| CN113283346A (en) * | 2021-05-28 | 2021-08-20 | 捷佳润科技集团股份有限公司 | Dragon fruit yield prediction method based on machine learning |
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