BRS 430 B2RF and BRS 432 B2RF: Insect-resistant and glyphosate-tolerant high-yielding cotton cultivars

Cultivar BRS 433FL B2RF: upland cotton with high-quality fiber, insect resistance and glyphosate tolerance for the Brazilian Savanna

“…Thus, an enhanced fiber quality is essential for the competitiveness of cotton fiber in the textile industry. Moreover, along with conventional agronomic traits (Suassuna et al 2020), commercial biotechnological traits must also be improved in tropical environments to reinforce the pest and weed management and raise the competitiveness of Brazilian cotton (Suassuna et al 2018).…”

“…Gossypium hirsutum L. latifolium Hutch, also called upland cotton, accounts for over 90% of the cotton fiber global production. Since the 1990s, the cotton production area in the Brazilian cerrado (savanna) has expanded, mainly as a result of the breeding efforts to develop regionally adapted, high-yielding cultivars as well as improved management practices (Morello et al 2015, Silva Neto et al 2016, Barroso et al 2017, Suassuna et al 2018, which have made the Brazilian cotton internationally competitive. High pest pressure and weed competition occur in cerrado region (Salgado et al 2002, Bentivenha et al 2016, reducing the crop profitability.…”

“…Therefore, the Embrapa´s cotton breeding program focus on to develop high-yielding cotton cultivars with superior fiber quality and with transgenic insect resistance and herbicide tolerance, adapted to the Brazilian cerrado. CL Morello et al Commercial cotton cultivars with transgenic resistance to the main lepidopterans pests and tolerant to the herbicides are available in Brazil (Morello et al 2015, Barroso et al 2017, Suassuna et al 2018, CTNBio 2019. The transgenic event MON 15985, commercially known as Bollgard II ® (B2), produces the Bt proteins Cry1Ac and Cry2Ab.…”

BRS 372 and BRS 416: high-yielding cotton cultivars with multiple disease resistance

“…In Brazil, much effort has been invested in developing new cotton cultivars (Morello et al 2010, Morello et al 2012, Morello et al 2015, Barroso et al 2017, Suassuna et al 2018, to ensure high lint yields and the competitiveness of Brazilian cotton on the international market. However, most of the released cultivars are RLS-susceptible.…”

Ramularia leaf spot: an emergent disease of cotton in Brazil

“…Since the 1990s, upland cotton growing area has increased substantially in the Brazilian Cerrado (savannah), mainly due to breeding efforts for developing locally adapted high-yielding cultivars, as well for improving agronomic practices (Morello et al 2015;Silva Neto et al 2016; Barroso et al 2017;Suassuna et al 2018). Cotton crop was introduced into the Cerrado to integrate cropping systems that include soybean and corn.…”