Background <p>Cotton growers often face reduced yield and fiber quality after wheat harvest due to the shortened growing season. The delay in wheat harvest is due to a number of reasons, such as labor unavailability, weather, and machinery constraints. The optimal combination of canopy management and planting density may help in mitigating these problems in late-sown cotton.</p> Methods <p>A two-year (2022 and 2023) field experiment was carried out at the University of Agriculture, Faisalabad, Pakistan, using a randomized complete block design with a factorial arrangement comprising two factors. The two planting densities (87489 and 58326 plants ha<sup>− 1</sup>) and six canopy management techniques, pruning, manual topping, chemical topping, and their combinations.</p> Results <p>Cotton growth, yield, and fiber quality were greatly influenced by these techniques. Chemical topping plus pruning increased sympodial branches up to 38%, and seed cotton yield at higher planting density. In contrast, manual topping plus pruning outperformed other methods in improving fiber uniformity and strength.</p> Conclusions <p>The results showed that a combination of chemical topping plus pruning enhances seed cotton yield, whereas manual topping integration with pruning improved fiber quality. Finding suggests the importance of selecting an optimal combination according to production needs under a cotton wheat cropping system in late sown conditions.</p>

错误:搜索内容不能为空,请输入英文关键词
错误:关键词超出字数限制,请精简
高级检索

Optimal combination of canopy management and planting density for yield enhancement in late-sown cotton

  • Muhammad Abu Bakar Hayat,
  • Fahd Rasul,
  • Muhammad Zia Ul Haq,
  • Muhammad Talha Aslam,
  • Muhammad N. Sattar,
  • Sallah A. Al Hashedi,
  • Abdul Ghafoor,
  • Muhammad Munir

摘要

Background

Cotton growers often face reduced yield and fiber quality after wheat harvest due to the shortened growing season. The delay in wheat harvest is due to a number of reasons, such as labor unavailability, weather, and machinery constraints. The optimal combination of canopy management and planting density may help in mitigating these problems in late-sown cotton.

Methods

A two-year (2022 and 2023) field experiment was carried out at the University of Agriculture, Faisalabad, Pakistan, using a randomized complete block design with a factorial arrangement comprising two factors. The two planting densities (87489 and 58326 plants ha− 1) and six canopy management techniques, pruning, manual topping, chemical topping, and their combinations.

Results

Cotton growth, yield, and fiber quality were greatly influenced by these techniques. Chemical topping plus pruning increased sympodial branches up to 38%, and seed cotton yield at higher planting density. In contrast, manual topping plus pruning outperformed other methods in improving fiber uniformity and strength.

Conclusions

The results showed that a combination of chemical topping plus pruning enhances seed cotton yield, whereas manual topping integration with pruning improved fiber quality. Finding suggests the importance of selecting an optimal combination according to production needs under a cotton wheat cropping system in late sown conditions.