Plastic Mulching Effects on Cotton Seedling and Wilt Disease, Lint Yields, and Yield Components

Xingmei You, Jingru Zhang, Yannan Xue, Ruikai Zhang, Siwen Zhang, Chuanwang Li and Xiaoming Xia ()
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Xingmei You: College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China
Jingru Zhang: College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China
Yannan Xue: College of Resources and Environment, Shandong Agricultural University, Tai’an 271018, China
Ruikai Zhang: College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China
Siwen Zhang: College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China
Chuanwang Li: College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China
Xiaoming Xia: College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China

Agriculture, 2024, vol. 14, issue 3, 1-15

Abstract: Plastic mulching is a widely used intensive planting system for cotton production in China. For the present study, the effects of three plastic mulching treatments (i.e., NDNM: normal sowing date with no plastic mulching as a positive control, NDM: normal sowing date with plastic mulching, and LDM: sowing 7 days late with plastic mulching) were studied in the field on seedling disease, Verticillium wilt, and Fusarium wilt as well as on the lint yield in cotton from 2019 to 2020. The treatment effects were evaluated based on the disease incidence (DI) and disease severity index (DSI), seedling fresh weights, lint yields, and yield components. For all cultivars (SCRC28, SCRC21, and Jimian11), both the DIs and DSIs of the seedling disease were lower in the LDM treatment than in the NDNM and NDM treatments. The DIs and DSIs of Fusarium wilt for all the cultivars were higher in the NDNM treatment than in the NDM and LDM treatments. However, the DIs and DSIs for Verticillium wilt were lower in the NDNM treatment. Moreover, the seedling fresh weights, average lint yields, and boll numbers per square meter were all highest in the NDM treatment and lowest in the NDNM treatment. The results of this study demonstrated that the use of plastic mulching with a suitable seed sowing date would be an appropriate cultural practice for enhancing cotton production and reducing the severity of cotton seedling and Fusarium wilt disease.

Keywords: plastic mulching; seedling disease; wilt disease; yield; cotton (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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