Performance of a large seed vacuum planter for bare and pelleted onion seeds

Abstract

Seed coating, or pelleting, is a technology used to improve seed germination and provide more uniform stands and higher yields. In recent years, the use of coated or pelleted seed has increased in vegetable cultivation. Information on sowing of coated, or pelleted seed, with planters are needed. This research was carried out to determine the performance of a precision vacuum planter designed for large seed for sowing pelleted and bare onion (Allium cepa L.) seed. A laboratory experiment was performed to evaluate seed distribution uniformity for forward speeds of 0.5, 1.0, 1.5 and 2.0 m s-1. For the laboratory test using a sticky belt test setup, pelleting of onion seed generally increased seed distribution uniformity of the planter. Optimum forward speed was 1.5 m s-1 for pelleted and 1.0 m s-1 for bare seed. The planter was operated at the forward speed of 1.5 m s-1 for pelleted and 1.0 m s-1 for bare seed for field trials. Pelleting of onion seed decreased percentage emergence from 73.6 to 62.5% for field conditions. Percentage emergence of pelleted seed in the field decreased more than bare seed, but it was considered acceptable for precision sowing with planter as indicated percentage emergence being over 60%.

Keywords

• Allium cepa
• Seed coating
• Seed pelleting
• Sowing
• Seed distribution uniformity

Büyük tohumların ekimde kullanılan bir hava emişli hassas ekim makinasının çıplak ve peletle kaplı soğan tohumlarını ekim başarısı

Abstract

Tohumların film veya peletle kaplanması, çimlenmeyi ve dolayısıyla düzenli filiz çıkışı ile verimi arttıran önemli bir teknolojidir. Son yıllarda özellikle sebze tarımında kaplanmış tohumların kullanımı yaygınlaşmaktadır. Bu nedenle kaplanmış tohumların ekim makinaları ile ekimine yönelik bilgiye ihtiyaç duyulmaktadır. Bu araştırma büyük tohumların ekimi için tasarlanmış bir hava emişli hassas ekim makinasının çıplak ve peletle kaplanmış soğan (Allium cepa L.) tohumlarının ekim başarısını belirlemek için yapılmıştır. Laboratuvar denemeleri ile 0.5, 1.0, 1.5 ve 2.0 m s-1 ilerleme hızlarında ekim makinasının tohum dağılım düzgünlüğü incelenmiştir. Yapışkan bantlı deneme düzeni kullanılarak yapılan denemelerde, peletle kaplama soğan tohumlarının dağılım düzgünlüğünü iyileştirmiştir. Çıplak tohumlar için optimum ilerleme hızı 1.0 m s-1 iken kaplı tohumlar için 1.5 m s-1 ‘dir. Dolayısıyla ekim makinası tarla denemelerinde çıplak soğan tohumlarının ekiminde 1.0 m s-1 ilerleme hızında, kaplı soğan tohumlarının ekiminde ise 1.5 m s-1 ilerleme hızında çalıştırılmıştır. Tohumların peletle kaplanması tarla filiz çıkış oranını %73.6’dan %62.5’e düşürmüştür. Ancak tarla koşulları için önerilen %60 çimlenme oranın üzerinde olduğu için kabul edilebilir olarak değerlendirilmiştir.

Keywords

• Allium cepa
• Tohum kaplama
• Peletle tohum kaplama
• Ekim
• Tohum dağılım düzgünlüğü

References

1. Accinelli C, Abbas HK, Shier T (2018) A bioplastic based seed coating improves seedling growth and reduces production of coated seed dust. Journal of Crop Improvement 32(3): 318-330. doi: https://doi.org/10.1080/15427528.2018.1425792.
2. Barut ZB (2008) Seed coating and tillage effects on sesame stand establishment and planter performance for single seed sowing. Applied Engineering in Agriculture 24(5): 565-571. doi: https://doi.org/10.13031/2013.25268.
3. Bracy RP, Parish RL (1998) Seeding uniformity of precision seeders. HortTechnology 8(2): 182-185.
4. Bracy RP, Parish RL (2001) A comparison of seeding uniformity of agronomic and vegetable seeders. HortTechnology 11(2): 184-186.
5. Celik A, Ozturk I, Way TR (2007) Effect of various planters on emergence and seed distribution uniformity of sunflower. Applied Engineering in Agriculture 23(1): 57-61.
6. Evans J, Wallace C, Dobrowolski N, Pritchard I, Sullivan B (1993) Requirement of field pea for inoculation with Rhizobium and lime pelleting in soils of Western Australia. Australian Journal of Experimental Agriculture 33: 767-773.
7. Fairley RF, Draycott AP (1978) Manganese deficiency in sugarbeet and the incorporation of manganese in the coating of pelleted seed. Plant and Soil 49: 71-83.
8. Grelliera P, Riviereb LM, Renault P (1999) Transfer and water-retention properties of seed-pelleting materials. European Journal of Agronomy 10: 57-65.

9. Haciyusufoglu AF, Akbas T, Simsek E (2015) Implementation of the method of seed coating with pellet on some small-diameter seeds. Journal of Agricultural Machinery Science 11(3): 257-263.
10. Hara Y (2013) Improvement of rice seedling establishment on sulfate-applied submerged soil by seed coating with poorly soluble molybdenum compounds. Plant Production Science 16(3): 271-275. doi: https://doi.org/10.1626/ pps.16.271.
11. Hara Y (2016) Improvement of seedling establishment under flood condition by seed coating with molybdenum compounds for wheat and barley. Plant Production Science 19(2): 223-229. doi: https://doi.org/10.1080/1343943X.2015.1128110.
12. Hwang WD, Sung FJM (1991) Prevention of soaking injury in edible soybean seeds by ethyl cellulose coating. Seed Science and Technology 19: 260-278.
13. Kachman SD, Smith JA (1995) Alternative measures of accuracy in plant spacing for planters using single seed metering. Transactions of the ASAE 38(2): 379-387.
14. Karayel D, Ozmerzi A (2001) Effect of forward speed and seed spacing on seeding uniformity of a precision vacuum metering unit for melon and cucumber seeds. [Title in English]. Journal of the Faculty of Agriculture 14(2): 63-67.
15. Karayel D, Barut ZB, Ozmerzi A (2004) Mathematical modelling of vacuum pressure on a precision seeder. Biosystems Engineering 87(4): 437-444.
16. Karayel D, Ozmerzi A (2006) Effect of furrow openers on soil moisture variation. [Title in English]. Tarım Makinaları Bilimi Dergisi (Journal of Agricultural Machinery Science) 2(2): 103-110.
17. Luchmeah RS, Cooke RC (1985) Pelleting of seed with the antagonist Pythium oligan drum for biological control of damping-off. Plant Pathology 34: 528-531.
18. Maude RB, Bambridge JM (1985) Effects of seed treatments and storage on the incidence of phoma betae and the viability of infected red beet seeds. Plant Pathology 34: 435-437.
19. Ozmerzi A, Barut ZB, Yaldız O (1992) Agricultural problems in Antalya related to mechanization of vegetable crop production. [Title in English]. In: National Congress of West Mediterranean Agriculture. Antalya, Turkey.
20. Ozmerzi A, Karayel D, Topakci M (2002) Effect of sowing depth on precision seeder uniformity. Biosystems Engineering 82(2): 227-230. doi: https://doi.org/10.1006/bioe.2002.0057.
21. Panning JW, Kocher MF, Smith JA, Kachman SD (2000) Laboratory and field testing of seed spacing uniformity for sugarbeet planters. Applied Engineering in Agriculture 16(1): 7‐13.
22. Parish RL; Bracy RP (1998) Metering nonuniform vegetable seed. HortTechnology 8(1): 69-71.
23. Parish RL, McCoy JE (1999) Inconsistency of metering with a precision vegetable seeder. Journal of Vegetable Crop Production 4(2): 3-7.
24. Parish RL (2000) Stand of cabbage and broccoli in single- and double-drill plantings on beds subject to erosion. Journal of Vegetable Crop Production 6(2): 87-96. doi: https://doi.org/10.1300/J068v06n02_10.
25. Parish RL, Bracy RP, Rosendale RM (2002) Use of plastic mulch for successive crops. Journal of Vegetable Crop Production 8(1): 63-70. doi: https://doi.org/10.1300/J068v08n01_08.
26. Powel AA, Mathews S (1982) Seed treatments: developments and prospects. Outlook Agriculture 17: 97-103.
27. Sikhao P, Taylor AG, Marino ET, Catranis CM, Siri B (2015) Development of seed agglomeration technology using lettuce and tomato as model vegetable crop seeds. Scientia Horticulturae 184: 85-92.
28. Stout DG, Hall JW, Brooke BM, Baalim G, Thompson DJ (1993) Effect of storage temperature and time on viability of rhizobia on lime-coated alsike clover (Trifolium hybridum) seed. Journal Agricultural Science 120: 205-211.