Reproductive capacity of Heterodera schachtii on Thlaspi arvense, Capsella bursa-pastoris and varying populations of Chenopodium album

Ahmad, Muhammad Bilal; Sedaghatjoo, Somayyeh; Westphal, Andreas

doi:10.1007/s41348-016-0002-7

Cited by 4 publications

(2 citation statements)

References 7 publications

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“…Fat hen ( Chenopodium album ), a known host of BCN, is commonly found across the host farm . However, fat hen is classed as a relatively poor host of BCN and Meinecke et al . concluded that common arable weeds do not require control for nematological reasons.…”

Section: Discussionmentioning

confidence: 99%

Evaluating resistant brassica trap crops to manage Heterodera schachtii (Schmidt) infestations in eastern England

Wright

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Stevens

et al. 2018

Pest Management Science

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Section: Discussionmentioning

confidence: 99%

Evaluating resistant brassica trap crops to manage Heterodera schachtii (Schmidt) infestations in eastern England

Wright

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Stevens

et al. 2018

Pest Management Science

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“…In the lit-erature, there is evidence of obtaining a good harvest with a plant density of 95-98 thousand plants per hectare [1,2]. With a row spacing of 50 cm, a high yield was obtained on a field with a density of planting 10 plants per m2, that is, 100 thousand plants per hectare [3]. Many studies have shown that the highest yields of sugar beets are reached with plantations of at least 80,000 plants per hectare [4,5,6].…”

Section: Introductionmentioning

confidence: 99%

Impact of Precision Seeding on Yield Of Sugar Beet

Vasilenko¹,

Vasilenko²,

Achkasova³

2018

International Scientific and Practical Conference "AgroSMART - Smart Solutions for Agriculture" (AgroSMART 2018)

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The yield of sugar beet depends not only on soil and climatic conditions, but also on the quality of the distribution of plants along the sowing series of these plants. The maximum yield is obtained with the optimal value of the average interval between plants, and all intervals should be the same with a coefficient of variation close to zero. A computer program has been computed for the relative yields, depending on the precision of the sowing and the germination of the seeds. The harvest is calculated in relative terms to exclude the influence of soil and weather conditions. For a maximum, the harvest is taken with the exact location of the optimal number of plants under the same germination conditions. The article contains a calculation program and a graphical representation of the results for sugar beet. This will help determine the rational limits of the number of plants per hectare and the accuracy of their distribution. The accuracy of the distribution of plants is estimated by the coefficient of variation of the intervals between them, which can take values from 0.2 to 1.0. The loss of yields from inaccurate distribution of plants along the row may reach 21%.

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Evaluating the distribution of sugar beet seeds at sowing

Vasilenko

Achkasova

2021

IOP Conf. Ser.: Earth Environ. Sci.

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A mathematical model is proposed for the formation of a uniform row of seeds in the sowing furrow in order to place them at the same intervals. A key role in this process is played by the random deviation of each seed from the intended place of laying. A mathematical model using probability theory was developed based on the results of laboratory experiments with sugar beet seeds sown onto sticky tape. The consistency of spacing between seeds is influenced by seed rate, i.e. seed number per one meter length of row, the speed of the seeders and the speed of rotation of a seed disc in the machine of exact seeding. Studies have shown that a sufficiently high accuracy of seed placement is achieved if the seeding disc rotates at a speed of 0.24-0.27 m/s, the speed of the drill is not more than 6 km/h, and the seeding dose is not higher than 8 pcs/m. In the field, the coefficient of variation of intervals is higher than on sticky tape, but does not exceed 0.33. There is no seed inversion, and the yield level is more than 98% of the maximum possible. Further improvement in seeding quality can only be achieved by further reducing the speed of precision seeding drills or by design upgrades to align the speed of the seeding machine and the rotation speed of the seeding disc.

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Reproductive capacity of Heterodera schachtii on Thlaspi arvense, Capsella bursa-pastoris and varying populations of Chenopodium album

Cited by 4 publications

References 7 publications

Evaluating resistant brassica trap crops to manage Heterodera schachtii (Schmidt) infestations in eastern England

Evaluating resistant brassica trap crops to manage Heterodera schachtii (Schmidt) infestations in eastern England

Impact of Precision Seeding on Yield Of Sugar Beet

Evaluating the distribution of sugar beet seeds at sowing

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