Cotton Science

Figure/Table detail

Relationship between boll temporal distribution and cotton yield under summer direct seeding

Li Xian’en,Ma Xuefeng,Zhang Zhao,Yang Lirong,Lü Na,Yao Xiaofen,Qiu Shen,Zhang Guifen,Yang Guozheng

Cotton Science, 2022, 34(5): 416-429. DOI: 10.11963/cs20210074

因变量 Dependent variable	处理 Treatment	2019		2020
因变量 Dependent variable	处理 Treatment	logistic模型 Logistic model	相关系数 R²	logistic模型 Logistic model	相关系数 R²
蕾	Z425	Y=223.5/[1+e^（6.52-0.13^t^）]	0.996	Y=394.6/[1+e^（6.45-0.09^t^）]	0.998
Square	Z619	Y=262.1/[1+e^（7.19-0.14^t^）]	0.996	Y=456.0/[1+e^（6.46-0.08^t^）]	0.995
	JH116	Y=278.9/[1+e^（6.81-0.13^t^）]	0.998	Y=318.3/[1+e^（7.91-0.11^t^）]	0.998
	ZD2040	Y=282.1/[1+e^（7.89-0.14^t^）]	0.998	Y=697.7/[1+e^（8.50-0.10^t^）]	0.998
	HM3097	Y=285.8/[1+e^（7.74-0.14^t^）]	0.996	Y=250.9/[1+e^（9.10-0.13^t^）]	0.998
花	Z425	Y=172.8/[1+e^（8.71-0.13^t^）]	0.991	Y=190.0/[1+e^{（13.01-0.15}^t^）]	0.998
Flower	Z619	Y=181.8/[1+e^{（10.63-0.15}^t^）]	0.995	Y=188.6/[1+e^{（14.56-0.17}^t^）]	0.998
	JH116	Y=216.2/[1+e^（8.99-0.12^t^）]	0.996	Y=182.2/[1+e^{（14.74-0.17}^t^）]	0.998
	ZD2040	Y=213.2/[1+e^{（10.80-0.16}^t^）]	0.999	Y=185.8/[1+e^{（15.54-0.18}^t^）]	1.000
	HM3097	Y=225.3/[1+e^{（10.45-0.14}^t^）]	0.997	Y=164.0/[1+e^{（15.96-0.18}^t^）]	0.998
吐絮棉铃	Z425	Y=51.3/[1+e^{（11.54-0.12}^t^）]	0.991	Y=71.9/[1+e^{（12.66-0.09}^t^）]	0.997
Opening boll	Z619	Y=69.1/[1+e^{（12.60-0.13}^t^）]	0.995	Y=69.7/[1+e^{（17.04-0.13}^t^）]	0.995
	JH116	Y=75.7/[1+e^（8.99-0.08^t^）]	0.982	Y=80.8/[1+e^{（17.90-0.13}^t^）]	0.991
	ZD2040	Y=94.0/[1+e^{（12.02-0.12}^t^）]	0.987	Y=50.4/[1+e^{（31.70-0.23}^t^）]	0.994
	HM3097	Y=81.2/[1+e^（9.45-0.08^t^）]	0.979	Y=53.5/[1+e^{（20.93-0.15}^t^）]	0.999

Table 2 Logistic models for the number accumulation of cotton reproduction organs

Other figure/table from this article

Fig. 1 Temperature and precipitation during the whole cotton growth stage in 2019 and 2020
Table 1 Development progress and growth stages of cotton
Table 3 Dynamic characteristic values of the number of reproduction organs in cotton
Fig. 2 Dry matter accumulation of cotton at different growth periods BD is the budding date; EF is the early flowering date; FF is the flourishing flowering date; BO is the boll opening date; PR is the plant removal date.
Table 4 Logistic models for dry matter accumulation in cotton
Table 5 Dynamic characteristic values of cotton dry matter accumulation
Table 6 Cotton yield and its components
Fig. 3 The correlation analysis between lint yield and the dynamic characteristic values of sink dry matter accumulation and opening boll number Yield indicates lint yield. t₁ and t₂ are the start time and termination time of the fast accumulation period, respectively; Δt indicates the duration of the fast accumulation period; V_T is the average accumulation rate during the fast accumulation period. K is the theoretical maximum dry matter accumulation or the theoretical maximum number of organs. OB is opening bolls; Sink indicates the sink organs. * and ** indicate significant relationship at the 0.05 and 0.01 level, respectively.