The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.)
Accurate assessment of crop-weed control period is an essential part for planning an effective weed management for cropping systems. Field experiments were conducted during the seasonal growing periods of potato in 2012 and 2013 in Kayseri, Turkey to assess critical period for weed control (CPWC) in...
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doaj-56eb0bcc02b34af19129e961a1e0b1272021-05-02T03:11:32ZengAcademicPresNotulae Botanicae Horti Agrobotanici Cluj-Napoca0255-965X1842-43092015-12-0143235536010.15835/nbha.43.2.100318081The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.)Dogan ISIK0Adem AKCA1Emine KAYA ALTOP2Nihat TURSUN3Husrev MENNAN4Erciyes University, Faculty of Agriculture, Department of Plant Protection, KayseriKWS Turk Tarim, KayseriOndokuz Mayıs University, Faculty of Agriculture, Department of Plant Protection, SamsunInonu University, Faculty of Agriculture, Department of Plant Protection, MalatyaOndokuz Mayıs University, Faculty of Agriculture, Department of Plant Protection, SamsunAccurate assessment of crop-weed control period is an essential part for planning an effective weed management for cropping systems. Field experiments were conducted during the seasonal growing periods of potato in 2012 and 2013 in Kayseri, Turkey to assess critical period for weed control (CPWC) in potato. A four parameter log-logistic model was used to assist in monitoring and analysing two sets of related, relative crop yield. Data was obtained during the periods of increased weed interference and as a comparison, during weed-free periods. In both years, the relative yield of potato decreased with a longer period of weed-interference whereas increased with increasing length of weed free period. In 2012, the CPWC ranged from 112 to 1014 GDD (Growing Degree Days) which corresponded to 8 to 66 days after crop emergence (DAE) and between 135-958 GDD (10 to 63 DAE) in the following year based on a 5% acceptable yield loss. Weed-free conditions needed to be established as early as the first week after crop emergence and maintained as late as ten weeks after crop emergence to avoid more than 5% yield loss in the potato. The results suggest that CPWC could well assist potato producers to significantly reduce the expense of their weed management programs as well as improving its efficacy.http://www.notulaebotanicae.ro/index.php/nbha/article/view/10031 |
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DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Dogan ISIK Adem AKCA Emine KAYA ALTOP Nihat TURSUN Husrev MENNAN |
spellingShingle |
Dogan ISIK Adem AKCA Emine KAYA ALTOP Nihat TURSUN Husrev MENNAN The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.) Notulae Botanicae Horti Agrobotanici Cluj-Napoca |
author_facet |
Dogan ISIK Adem AKCA Emine KAYA ALTOP Nihat TURSUN Husrev MENNAN |
author_sort |
Dogan ISIK |
title |
The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.) |
title_short |
The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.) |
title_full |
The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.) |
title_fullStr |
The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.) |
title_full_unstemmed |
The Critical Period for Weed Control (CPWC) in Potato (<i>Solanum tuberosum</i> L.) |
title_sort |
critical period for weed control (cpwc) in potato (<i>solanum tuberosum</i> l.) |
publisher |
AcademicPres |
series |
Notulae Botanicae Horti Agrobotanici Cluj-Napoca |
issn |
0255-965X 1842-4309 |
publishDate |
2015-12-01 |
description |
Accurate assessment of crop-weed control period is an essential part for planning an effective weed management for cropping systems. Field experiments were conducted during the seasonal growing periods of potato in 2012 and 2013 in Kayseri, Turkey to assess critical period for weed control (CPWC) in potato. A four parameter log-logistic model was used to assist in monitoring and analysing two sets of related, relative crop yield. Data was obtained during the periods of increased weed interference and as a comparison, during weed-free periods. In both years, the relative yield of potato decreased with a longer period of weed-interference whereas increased with increasing length of weed free period. In 2012, the CPWC ranged from 112 to 1014 GDD (Growing Degree Days) which corresponded to 8 to 66 days after crop emergence (DAE) and between 135-958 GDD (10 to 63 DAE) in the following year based on a 5% acceptable yield loss. Weed-free conditions needed to be established as early as the first week after crop emergence and maintained as late as ten weeks after crop emergence to avoid more than 5% yield loss in the potato. The results suggest that CPWC could well assist potato producers to significantly reduce the expense of their weed management programs as well as improving its efficacy. |
url |
http://www.notulaebotanicae.ro/index.php/nbha/article/view/10031 |
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