Revealing Adaptability of Sugar Beet ( Beta vulgaris ) Genotypes Through Environmental Interaction (GEI) connecting Variations in Tuber Yield

摘要

An experiment was conducted to reveal the ability to adapt and produce stable yield of sugar beet varieties using additive main effects and multiplicative interaction (AMMI) and other associated statistical analysis with the aim of introducing this new sugar crop as an alternate for sugar cane. Two popular tropical sugar beet varieties, SZ 35 and PAC 6008, were evaluated in six locations across Tamil Nadu, a South Indian state. The sugar beet variety SZ 35 revealed high tuber yield coupled with high commercial cane sugar (CCS) percentage in three locations at Vaigaidam (E-6), Sirugamani (E-5) and Coimbatore (E-1). Study of variance displayed the maximum impacts was attributed to the environment, followed by the GE interaction. The scores of the primary interaction components also indicated a lot of variation for the environments relative to the genotype effects. E-4 (Melalathur) followed by E-1 (Coimbatore) has been found to be highly productive environments for both the varieties because of their higher tuber yield. Similarly, E-3 (Madurai) was highly good environment for realising enhanced CCS percentage. This study revealed the prudent use of these varieties for cultivation holding great potential to be an alternate crop for sugarcane to stabilise sugar production.