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Technology package RICE VARIETIES FOR UPLAND CULTIVATION
Summary NARI has released four upland rice varieties for rain fed cultivation in a PNG lowland environment. The four varieties, NR 1, NR 9, NR 15 and NR 16 are high yielding with good eating and cooking qualities and tolerant to insect pests and diseases. The selected varieties performed significantly better compared to the control varieties with respect to yield and yield stability across the various environments. Yield performance was further complemented by good eating qualities as tested in separate consumer preference trials.
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NR 1 IRRI accession designated IR 19661-23-3-2-2 Short plant with erect growth habit Highly tolerant to drought Tolerant to leaf folders, rice bug and brown plant-hopper High consumer taste preference, good NR1 eating and cooking qualities Grain yield is 19.7 % higher than TCS 10 over five sites Non-shattering of grains at maturity Adopted and grown commercially by Trukai Farms at Clean water, Markham Valley.
NR 9 Selection N6-94 from the variety Niupela (formerly E1) Consistently high yielding variety across lowland climates Grain yield 14.7% higher than TCS 10 over four sites Originally the Philippines variety, Salumpikit, obtained from IRRI Grain yield 47.1 % higher than TCS 10 over five sites Early maturity at 100-110 days after sowing Highly tolerant to brown plant-hopper and rice bugs Description: Description: High consumer preference score, good cooking and eating qualities Tolerant to leaf folders and brown plant-hopper Non shattering at maturity Low milling losses Plant of medium height Drought tolerant
NR 15 Originally the Philippines variety, Salumpikit, obtained from IRRI Grain yield 47.1 % higher than TCS 10 over five sites Early maturity at 100-110 days after sowing Highly tolerant to brown planthopper and rice bugs Non-shattering at maturity Vigorous vegetative growth and large crop canopy Uniform flowering and grain maturity Tall growing plant Can lodge in fertile soils Taste preference score acceptable, may be better with pre-soaking
NR 16 Originally the variety, Azucena, from IRRI Grain yield 8.7% higher than TCS 10 over five sites Tall growing plant, droopy growth habit High consumer preference score, good cooking and eating qualities Early maturing, 100 - 110 days after sowing Highly tolerant to drought and acid soils Non-shattering at maturity.