Resistance of local rice progeny to ferrous iron toxicity between locations, seasons, and salt application in tidal lands
Laen...
Kuupäev
2023
Kättesaadav alates
Ajakirja pealkiri
Ajakirja ISSN
Köite pealkiri
Kirjastaja
Estonian University of Life Sciences
Abstrakt
Rice is the main food in Indonesia that grows in various agroecosystems. The challenge
is ferrous iron toxicity (FIT), wherein adaptive varieties with high yield potential be required to
support increased production. The study objectives were to produce tolerant and widely adapted
lines of FIT from local parents, to determine the stability of the lines in various environments and
seasons in FIT rice fields, and to determine the response of rice lines to salt application. Two
local Fe-tolerant parents that is Cekau and Karya, were used as females to produce lines that were
tested for FIT. High-yielding lines and early maturity were selected to represent tolerant, quite
tolerant, and moderate to FIT. The research was designed according to a randomized complete
block design with 3 replications. Most of the local cultivar descent were resistant to FIT and
stable at various locations and seasons. There was an interaction between the lines and the
environment in the multilocation test, but in the high-Fe field test, there was no interaction
between the lines and the season. Sensitive lines gave higher yields in the dry season than in the
rainy season, but the tolerant lines are not affected by the seasons. The long dry season followed
by high rainfall caused the accumulation of Fe on the soil surface to increase followed by a
decrease in yields of moderate and sensitive lines. The addition of 200 kg ha-1 of salt increased
the productivity of tolerant, quite tolerant, and moderate lines by improving root quality.
Kirjeldus
Received: August 13th, 2022 ; Accepted: November 27th, 2022 ; Published: December 7th, 2022 ; Correspondence: parlinhs2013@gmail.com
Märksõnad
adaptation, climate, high-yielding variety, production, Indonesia, articles