Integrated weed management in marigold (Tagetes erecta L.)

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dc.contributor.advisorParminder Singh
dc.contributor.authorGurpinder Singh
dc.date.accessioned2021-02-09T07:10:16Z
dc.date.available2021-02-09T07:10:16Z
dc.date.issued2020
dc.description.abstractThe present study entitled “Integrated weed management in marigold (Tagetes erecta L.)” was conducted during summer and rainy season of 2019 at Research Farm, Punjab Agricultural University, Ludhiana, Punjab. The study aimed at finding out the best and economically feasible method for weed control in marigold. In summer season, spreading of paddy straw mulch 6.25 t ha-1 at planting and directed application of paraquat dichloride 0.30 kg ha-1 after 50 days of transplanting and, in rainy season, combination of paddy straw mulch 9.40 t ha-1 and paraquat dichloride 0.30 kg ha-1 after 50 days of transplanting had the lowest total weed density. Total weed dry biomass was lowest under hand weeding (at 30 and 60 days). Hand weeding treatment recorded the highest marigold plant spread, stem diameter and branches per plant which were followed by paddy straw mulch 9.40 t ha-1 plus paraquat dichloride 0.30 kg ha-1. Under paddy straw mulch 9.40 t ha-1 plus paraquat dichloride 0.30 kg ha-1, marigold took minimum number of days to bud visibility, from bud to flower opening and first flower production. Number of flowers per plant, average flower diameter and average weight of flower were highest under treatment paddy straw mulch 9.40 t ha-1 plus paraquat dichloride 0.30 kg ha-1. To conclude, spreading paddy straw mulch 9.40 t ha-1 at planting followed by directed application of paraquat dichloride 0.30 kg ha-1 after 50 days of transplanting was found to be the best treatment in terms of weed control, marigold flowers yield and net returns.en_US
dc.identifier.citationGurpinder Singh (2020). Integrated weed management in marigold (Tagetes erecta L.) (Unpublished M.Sc. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810161043
dc.keywordsMarigold, weed management, mulch, herbicidesen_US
dc.language.isoEnglishen_US
dc.pages72en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemIntegrated weed management in marigold (Tagetes erecta L.)en_US
dc.subFloriculture and Landscapingen_US
dc.themeIntegrated weed management in marigold (Tagetes erecta L.)en_US
dc.these.typeM.Scen_US
dc.titleIntegrated weed management in marigold (Tagetes erecta L.)en_US
dc.typeThesisen_US
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