Branch and spikelet characteristics

Effective panicles (×10⁴/ha)

Number of spikelets per panicle

Setting percentage (%)

Thousand grain weight (g)

Grain yield (t/ha)

Surviving branches

0.014

−0.417*

0.173

−0.557**

0.247

Retrograde branches

0.488*

−0.154

−0.019

−0.866**

−0.482*

Differentiated branches

0.206

0.661**

0.112

−0.735**

−0.024

Branches retrograded percentage

0.607*

0.504*

−0.185

−0.38

−0.676**

Surviving spikelets

−0.300

0.807**

0.143

−0.271

0.521**

Retrograde spikelets

0.573**

−0.057

0.111

−0.746**

−0.364

Differentiated spikelets

−0.079

0.694**

0.160

−0.481*

0.341

Spikelets retrograded percentage

0.684**

0.445*

0.032

−0.490*

−0.525**

Surviving primary branches

0.106

0.455*

0.061

−0.599**

0.044

Retrograde primary branches

0.233

−0.321

−0.224

−0.117

−0.314

Differentiated primary branches

0.168

0.411*

0.013

−0.670**

−0.026

Primary branches retrograded percentage

0.222

−0.324

−0.207

−0.097

−0.299

Surviving secondary branches

0.002

−0.417*

0.183

−0.541**

0.267

Retrograde secondary branches

0.479*

−0.154

−0.010

−0.863**

−0.470*

Differentiated secondary branches

0.208

0.661**

0.118

−0.734**

−0.023

Secondary branches retrograded percentage

0.588**

0.181

−0.207

−0.582**

−0.822**

Surviving primary spikelets

−0.413*

0.397

−0.399

0.160

0.180

Retrograde primary spikelets

−0.047

0.649**

0.243

−0.506*

0.358

Differentiated primary spikelets

−0.362

0.718**

−0.163

−0.182

0.365

Primary spikelets retrograded percentage

0.070

0.548**

0.267

−0.575**

0.267

Surviving secondary spikelets

−0.250

0.780**

0.209

−0.307

0.515

Retrograde secondary spikelets

0.628**

−0.274

0.038

−0.631**

−0.507*

Differentiated secondary spikelets

−0.023

0.649**

0.210

−0.508*

0.317

Secondary spikelets retrograded percentage

0.569**

−0.661**

−0.097

−0.222

−0.647**