Growth and Yield of Six Soybean Genotypes on Short-term Flooding Condition in the Type-B Overflow Tidal Swamps

Abstract

A study to explore the agronomic response of some soybean genotypes to temporary flooding in the type-B overflow tidal swamp and to obtain the adaptive genotype to the environment was arranged in a split-plot design at coordinates 2°64’46.77” S and 104°75’27.75” E with an altitude of 3.5 m above sea level. The main plot was subject to short-term flooding with a variety of cultivation technologies consisting of saturated soil culture (SSC) for one month without flooding, SSC for one month with flooding, SSC during plant growth without flooding, SSC during plant growth with flooding and non-SSC/dry cultivation. The subplot was soybean genotype consisting of 6 genotypes: Tanggamus, Karasumame (Naihou), M652, Anjasmoro, M100-47-52-13, and Tachinagaha. The result showed that impaired soybean growth at the beginning of the growth stage caused pressure on the later growth stage and decreased soybean yield. Short-term flooding reduced the soybean yield. The non-tropical genotypes of Karasumamae (Naihou), M652 and Tachinagaha produced the lowest yield of seeds; 20% lower than the tropical genotypes of Anjasmoro, M100-47-52-13 and Tanggamus with SSC during plant growth without flooding treatment. The Karasumame (Naihou) genotype produced the highest seed yield of the three non-tropical genotypes. Anjasmoro and M100-47-52-13 produced the highest seed yield at temporary flooding.

Pengujian Berbagai Varietas Padi (Oryza sativa L.) terhadap Kondisi Cekaman Fe2+ Di Lahan Pasang Surut

“…Berdasarkan tipe luapan di lokasi penelitian ini termasuk tipe luapan B. Pertumbuhan dan kemampuan produksi dari 20 varietas padi yang diuji di lahan pasang surut pada penelitian ini menunjukkan respon yang berbeda-beda. Hal ini sejalan dengan penelitian Sagala et al, 2019, menunjukkan pertumbuhan dan produksi enam genotype kedelai memiliki kemampuan bertahan yang berbeda-beda pada genangan sesaat di lahan pasang surut tipe luapan B. Hasil analisa pH dan Fe setelah penelitian menunjukkan peningkatan. Hal ini diduga keracunan Fe selain disebabkan tinggi kadar Fe larut juga dipengaruhi oleh pH larutan.…”

Growth and Yield of Three Soybean Cultivars on a Combination of Cow Manure and NPK Fertilizers on Sandy Land

“…The growth and yield of soybean plants can vary greatly depending on the type of variety used. Various soybean varieties have been developed with unique characteristics, including adaptability to specific soil conditions [1,14,15]. Therefore, research comparing the growth and yield of several soybean varieties grown in sandy soils with organic and NPK fertilizers is essential to understanding how different plant varieties respond to different nutrient treatments.…”

Laju Pengisian Biji pada Beberapa Varietas Kedelai dengan Berbagai Ukuran Biji

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