Growth and development of soybean under changing light environments in relay intercropping system

PeerJ
Muhammad Ali RazaWen-yu Yang

Abstract

Maize-soybean relay-intercropping (MSR) is a famous system of crop production in developing countries. However, maize shading under this system directly affects the light quality and intensity of soybean canopy. This is a challenging scenario in which to implement the MSR system, in terms of varieties selection, planting pattern, and crop management since the duration of crop resource utilization clearly differs. Therefore, this experiment aimed to elucidate the effect of leaf excising treatments from maize top to fully clarify the needs and balance of light quality and intensity of intercrop-soybean under MSR in field conditions. The effects of different leaf excising treatments (T0, no removal of leaves; T2, removal of two topmost leaves; T4, removal of four topmost leaves; T6, removal of six topmost leaves from maize plants were applied at first-trifoliate stage (V1) of soybean) on photosynthetically active radiation transmittance (PART), red to far-red ratio (R:FR), morphological and photosynthetic characteristics and total biomass production at second-trifoliate stage (V2), fifth-trifoliate stage (V5), and flowering-stage (R1) of soybean were investigated through field experiments for 2-years under MSR. As compared to T0, ...Continue Reading

References

Sep 18, 2002·Trends in Plant Science·Giorgio Morelli, Ida Ruberti
May 1, 2007·Plant Physiology and Biochemistry : PPB·A InalI Cakmak
Jun 18, 2014·Journal of Photochemistry and Photobiology. B, Biology·Tao LiLei Shi

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