Cotton Science

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Effects of cultivar and sowing date on spatial distribution of yield and fiber quality in intercropping system of wheat and short-season cotton

Guo Simeng, Liu Taijie, Wu Fengqi, Han Yingchun, Wang Guoping, Lei Yaping, Wang Zhanbiao, Li Xiaofei, Du Wenli, Xiong Shiwu, Xin Minghua, Li Yabing, Feng Lu

Cotton Science, 2023, 35(3): 181-194. DOI: 10.11963/cs20220052

变异来源 Source of variance	果节数 Number of fruit node		果枝数 Number of fruit branch		叶面积指数 Leaf area index		蕾铃脱落率 Shedding rate		铃数 Boll number		铃重 Boll weight		衣分 Lint percentage		皮棉产量 Lint yield
变异来源 Source of variance	2019	2020	2019	2020	2019	2020	2019	2020	2019	2020	2019	2020	2019	2020	2019	2020
品种 Cultivar (C)	**	ns	ns	ns	*	*	**	ns	**	ns	ns	ns	**	**	**	ns
播期 Sowing date (S)	**	**	**	**	**	**	**	**	**	**	**	ns	ns	ns	**	**
C × S	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns

Table 2 Two-way ANOVA analysis of cotton agronomic traits and yield components

Other figure/table from this article

Fig. 1 Meteorological information of cotton growth period at the test site in 2019 and 2020
Fig. 2 Wheat-cotton double cropping system at the test site A: Wheat seedling stage; B: Wheat-cotton overlapped growth period; C: Schematic diagram of the wheat-cotton intercropping system (2-1 type).
Fig. 3 Growth stages of different cotton cultivars with various sowing dates
Table 1 Summary of meteorological conditions in flowering and boll development stage among different cultivars and sowing dates
Table 3 The effects of cultivar and sowing date on the agronomy traits of cotton
Table 4 The effect of cultivar and sowing date on lint yield and yield components
Fig. 4 Spatial distribution of yield of different cultivars and sowing dates LFB: lower fruiting branch; MFB: middle fruiting branch; UFB: upper fruiting branch; FN_1-2: the 1st and the 2nd fruiting node; FN_≥3: the 3rd and above the 3rd fruiting node.
Table 5 The correlation coefficient for meteorological factors of flowering and boll development stage and yield components under different sowing date treatments
Table 6 Variance analysis on cotton fiber quality at different fruit branches in 2019 and 2020
Table 7 The effects of cultivar and sowing date on fiber quality of bolls from different fruit branches

模态框（Modal）标题

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