Use example in Korea
Greenpia IND / Advanced agriculture has a competitive edge.
Results of monitoring the use of the speed sprayer-attaching artificial pollination device.
| Investigation methods | Analyzing opinions |
| ● Survey period : 2017.05.08~05.31 ● Survey methods: Visiting, call, meeting ● Target farms: 215 farms (aided farms) ● Investigators: Hoon-ki Sim, Seongyoon Kim ● Contents of investigation – Whether the artificial pollination device is used or not – Problems while using artificial pollination device – Effects of artificial pollination device |
● Target farms: 153 farms (Farms in use ) ● Number of the respondents: 138 farms (setting forth their views) ● Statement rate : 90.2% ● Number of analyzed cases: 170 cases (some farms are duplicated) ● Analyzed substances – Status of fruit setting after using artificial pollination device. – Quality after fruit setting – Merits and demerits of artificial pollinator. |
Investigation result
1) Present status of use by each farm
| classification | using | not using | total | Note |
| Number of farms | 3 | 62 | 215농가 | |
| rates | 71.2 | 28.8 | 100.0% |
 |
<Opinions about not using the device> ▶ Anxiety about whether pear fruit will be set ▶ Anxiety about excessive expense due to excessive fruit setting ▶ Bought the device to prevent irregular climate, but could not be used due to good weather ▶ Could not be used for being busy ▶ Found be used in the next year by the confirmation of the results. |
Analysis of the using-farm’s opinions
1) Fruit setting, quality, device problem
| Classification | Contents of Opinion | Numbers | Rates(%) | 비고 |
| Fruit setting | More than satisfactory | 7 | 5.1 | ▶ Fruit Setting 58.0% ▶ include Judgement reserved farm 81.2% ▶ Not effective 18.8% ▶ Fruit setting effect is that many people are optimistic. |
| Effective | 73 | 52.9 | ||
| Judgement reserved | 32 | 23.2 | ||
| Not effective | 26 | 18.8 | ||
| Quality | Deformed fruit | 9 | 5.3 | ▶ Poor quality is at about 20.2%
▶ Judging that occurrence of male pears and faulty shapes are irrelevant (Climate issue) |
| Underdeveloped | 11 | 6.5 | ||
| Faulty shape | 5 | 2.9 | ||
| Small size | 1 | 0.6 | ||
| Occurrence of male pears | 2 | 1.2 | ||
| Device | Clogged hole | 18 | 10.6 | ▶ Pear is considered to have a broader outlet |
| Total | 138 | 100.0 |
 |
 |
 |
 |
2) Issues of artificial pollination devices
| Classification | Good | So-so | Total | Note |
| Number of farms | 151 | 2 | 153 farms | |
| Rate | 98.7 | 1.3 | 100.0% |
 |
<Opinions about using artificial pollination device> ▶ There was a problem of pollen falling out, but by quick A/S and device replacement, there has been no significant problem.▶ For pears, there are opinions of no other problems except for the needs of broader hose that eject pollens. |
3) Opinion whether fruit is set
| Classification | Good | So-so | Poor | Total | Note |
| Number of farms | 130 | 16 | 7 | 153 Farms | |
| Rate | 85.0 | 10.5 | 4.5 | 100.0% |
 |
<Opinion of fruit setting after usage> ▶ Some farms are satisfied with fruit setting by just using artificial pollination device, while others say it is insufficient.▶ There are many opinions of effectiveness in fruit setting in general, but because fruit setting has been satisfactory this year, some reserved judgment about the effectiveness of artificial pollination device.▶ Quality problem after fruit setting and rise of labor costs problem were also expressed |
4) Minority opinion of using-farm’s
| Classification | Minority opinion |
| Demonstration spraying | ● Demonstration spraying over 50 weeks had been conducted, but fruit setting was not successful ● Sprayed over 3 lines of young trees twice a day but fruit setting was not successful |
| Mix ratio | ● Sprayed by 1:1,butpollinationbyfarmhandisfavorable. ● Sprayed by 3:1mixratio,lowerinfruitsettingthanthought. ● Sprayed by 2:1,welleffective |
| Number of sparyings | ● Well fruit setting by spraying only once ● Even fruit setting by spraying once (1 farm), more favorable than love-touch ● Excessive fruit setting by spraying twice (morning, afternoon) ● Spraying twice over non-set then well fruit set ● Not effective for once(1 farm), twice(1 farm), four times(1 farm) spraying. ● Hard to judge the effect of the device for using once. |
| Device issue | ● Better after A/S or replacement of the device. ● Control of mixing ratio for pollen+lycopodium powder because of clogging ● Hard to guess how much pollens are sprayed and pollen spraying power is weak |
| Fruit setting effect | ● Good fruit setting after 100% artificial pollination device usage (Changgeun Yeom, Namseok Lee+) ● Excessive fruit setting is problem in effective farm (3 farms) ● Excellent effect for using over one orchard(1 farm) |
| Etcetera. | ● Fruition using artificial pollination device is late. The period of spraying is important. ● Period, weather and usage method need to be educated (1 farm) ● Spraying considering wind and weather (1 farm) |
Total opinions on monitoring
| Classification | Details |
| Advantages | ● Using artificial pollination device is effective for pear fruit setting. ● No problem of fruit setting if sprayed at right period ● Satisfaction over artificial pollination device was a lot (fruit setting, expense) ● Good fruit setting even for pollination using pure artificial pollination device ● Quick A/S to solve clogging problem and device replacement were satisfied. |
| Shortages | ● Excessive fruit setting made unnecessary expense for thining out. ● Messy and underdeveloped(6-8 fruits) setting (Low in the number of regular fruits) ● Good fruit setting but some malformation and initial growth are poor. ● Some farmers said fruit setting was poor. |
| Common | ● A judgment of device effect is hard because of good fruit setting this year. ● Mostly farm hand pollinated and used the device to spray at the last stage ● Clogging problem in the hole where the pollen comes out (hole needs to be larger) |
Use example in Japan
Greenpia IND / Advanced agriculture has a competitive edge.
Pollen sprayer (Fruits-powder) use example in 2016
Mr. T.M from Hirakawa, AomoriPrefecture(Apple4.5hectares)
Up to now, 10 workers have used the 10 ostrich feather devices for artificial pollination, however, working-hour and labor cost was cut after using pollen sprayer (Fruits-powder).
The growth of apple has been healthy, and quality of the fruit has become high. Fatigue of workers has been decreased due to the collection of pollen used in this and next year. Also, Mr. Miura’s Fuji single orchard (1hectare) in Kurokawa examined pollen sprayer as a test packaging of at the apple-testing ground in Aomori Prefecture.
There was only rice paddy around the packaging, no apple farms. As the result of artificially pollinating by pollen sprayer without using chlacid, harvesting rate risen by 110% compared to last year.
T.N from Itayanagi, Aomoriprefecture (5 hectares of apples)
As the result of using pollen sprayer when half-bloomed, and using once more when full-bloomed, results of fruiting were better and could get into next work earlier than other farms. We used the ostrich feather device every year to artificially pollinate; however, we are satisfied a lot of the aspect of fruit shape labor and personnel expense.
Corporation S store of Itayanagi, Aomoriprefecture (2 hectares of apples)
We usually did pollination using chlacid, however, as the result of using pollen sprayer, there were few deformed fruits. Also, the proportion of fruit setting of medium and late-ripening species is high, and we are satisfied a lot with the work because of comfortable and easy way.
Mr. T.M in Tsugaru, AomoriPrefecture (1.5 hectares of apples)
I am satisfied with result of fruiting of Fujisingleorchard
We usually did pollination using chlacid, and there were a lot of deformed fruits that made quality low.
I recognized the importance of artificial pollination again.
I used pollen sprayer half in doubt, and with few deformed fruits, it was quite satisfying.
Apple
In Tsugaru, Aomori prefecture, air was dry at apple blooming period and wind was strong, and so one who artificially pollinates using the cottons was band one who used pollen sprayer(Fruits-powder) reported that growth of disc florets had not occurred. One of them, who used pollen sprayer guessing period when apistilis wet usually in early morning or late evening, had well-growth.
Pear
Mr. S in Jiaocho, Miyagi prefecture prepared the comparison target packaging to have a verification test using artificial pollinator and pollen sprayer(Fruits-powder), and even growth status is lower than the last year because of frost damage, both had similar growth results.
Moreover, one in Jiaocho who did not have frost damage had used pollen sprayer(Fruits-powder) since 5 pm when full blooming was close and had no difference with neighborhood farmhouse who artificially pollinated using the cotton swab.
He was satisfied with short work hour even with the same result.
Pear farm in Fukuokaprefecture had a similar good result.
Peach
Peach farm in Fukuokaprefecture is satisfied thanks to a better result than thought.
They are satisfied with short work hour.
Plum
Mr. O in Fukuoka prefecture had used artificial pollinating device up to last year but used pollen sprayer(Fruits-powder) only this year.
A similar blooming result with last year and good quality satisfied him.
The period when quick pollinating occur after the application is noon(9 am to 2 pm is considered best).
Weather controls artificial pollinating result, but for pollination, a pistil is found to be wet.
Finally
In Tsugaru, Aomoriprefecture, air was dry at apple blooming period and wind was strong, and so one who artificially pollinates using the cotton swab and one who used pollen sprayer(Fruits-powder) reported that growth of disc florets had not occurred. One of them, who used pollen sprayer guessing period when a pistil is wet usually in early morning or late evening, had well-growth. Air in the afternoon is dry that who spread only water over the plants using speed sprayer and used pollen sprayer after that had good results. So it needs to be used adjusting weather, the status of fruit, and period.
Some asked about real data but answered by their own feeling compared to last year or normal year after usage. Think it as a similar principle with another artificial pollination device. Natural pollination or using flower-visiting insect is possible, but by spreading pollens, it would have a better effect.