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The Correlation of Machine-Picked Cotton Defoliant in Different Gossypium hirsutum Varieties

文献类型： 外文期刊

作者： Wang, Junduo 1 ; Zhang, Zeliang 2 ; Zhang, Nala 3 ; Liang, Yajun 1 ; Gong, Zhaolong 1 ; Wang, Junhao 3 ; Ditta, Allah 4 ; Sang, Zhiwei 3 ; Li, Xueyuan 1 ; Zheng, Juyun 1 ;

作者机构： 1.Xinjiang Acad Agr Sci XAAS, Cash Crops Res Inst, Urumqi 830001, Peoples R China

2.Xinjiang Prod & Construct Corps, Div 5, Eighty Regiment 3, Econ Dev Off, Jinhe 833400, Peoples R China

3.Xinjiang Agr Univ, Coll Agr, Engn Res Ctr Cotton, Minist Educ, 311 Nongda East Rd, Urumqi 830052, Peoples R China

4.Nucl Inst Agr & Biol NIAB, NIAB C Pakistan Inst Engn & Appl Sci PIEAS, Plant Breeding & Genet Div, Cotton Grp, Faisalabad 38000, Pakistan

关键词： machine picking cotton; defoliating; defoliation; index establishment

期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN：

年卷期： 2023 年 13 卷 8 期

页码：

收录情况： SCI

摘要： Cotton mechanized harvesting is the development direction of cotton production. The rapid development of mechanized cotton harvesting in Xinjiang has significantly increased the efficiency of cotton harvesting and reduced the harvesting cost. However, in the rapid development of mechanized cotton harvesting, there are also the problems of net yield, recovery rate and poor harvesting quality, which lead to the poor quality competitiveness of mechanized cotton harvesting. In order to solve the problem of mechanized cotton loss, the key is to reduce the problem of cotton miscellaneous, and breed cotton varieties suitable for mechanized harvesting. The purpose of this study was to clarify the key trait correlation of defoliation through the establishment and association analysis of foliation and deciduous phenotype indicators in cotton. In this study, the phenotypic indexes of defoliation and deciduous traits were established through the comprehensive analysis of the defoliation rate of 273 cotton germplasm resources and other 11 related phenotypic traits in the field, in order to provide guidance for the breeding and production of cotton varieties collected by breeders. In addition to peeling rate, an analysis of the association between 11 agronomic parameters and peeling rate and hanging rate revealed that the number of effective branches, chlorophyll SPAD value, fruit branch angle, and hanging rate have substantial correlation in 3 years. Hence The hanging rate, fruit branch angle, effective branch number, and chlorophyll SPAD value can be used as the evaluation indicators of varieties for peeling ability trait index.

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