Skip to main content

Table 1 Significance of the main effects of irrigation regimes, year, and planting geometry (PG) and their interactions on fiber quality and seed quality traits at Stoneville, MS during 2018–2019 crop seasons

From: Effects of irrigation and planting geometry on cotton (Gossypium hirsutum L.) fiber quality and seed composition

Source of variance

df

Micronaire

UHML

Uniformity

Strength

Reflectance (Rd)

Yellowness (+b)

Nep

SFCn

UQLw

VFM

Fineness

Maturity ratio

Length (n)

Protein

Oil

Fiber

Irrigation level

2

*

*

*

**

ns

ns

*

*

*

*

*

*

*

**

***

ns

PG

1

*

ns

ns

ns

ns

ns

*

ns

ns

ns

ns

ns

ns

ns

ns

ns

Year

1

ns

**

ns

ns

*

*

ns

ns

ns

*

ns

*

ns

**

**

ns

Irrigation level*PG

2

*

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

Irrigation level*Year

2

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

*

**

ns

PG*Year

1

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

Irrigation level*PG*Year

2

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

  1. ns non-significant; * Significantly different at P ≤ 0.05 level; ** Significantly different at P ≤ 0.01 level; *** Significantly different at P ≤ 0.001 level
  2. UHML upper half mean length, SFCn short fiber content by number, UQLw upper quartile length by weight, VFM visible foreign matter