Ecology, Environment and Conservation Paper

Vol 26, April Suppl. Issue, 2020; Page No.(132-138)

MORPHOPHYSIOLOGICAL CHARACTERISTIC RESPONSES OF SOYBEAN (GLYCINE MAX L.) GROBOGAN VARIETY IN WATER LOGGING STRESS

Vita Siti Fatimah and Tutik Nurhidayati

Abstract

Soybean (Glycine max L.) has important role to fulfill food necessity in order to improve people nutrition because of its extra nutrition. A Problem in the production of soybean are environmental factors such as rainfall that can lead to water logging. To cope with growing population and environmental problem,improving soybean (Glycine max L.) variety to increase tolerance to water logging has become the consensus goal of global soybean research. The soybean observed was Grobogan variety that very potential for Indonesian people. Therefore, information about tolerance and response of themorphophysiological characteristics of soybean (Glycine max L.) Grobogan variety in water logging stress was important. The research was carried out for 14 days in vegetative stadia with the concentration of water logging were 100% (G1), 150% (G2), 200% (G3) and control (G0). Based on the results, the highestplant was in 150% (G2) with the value 27.14 cm and getting decreased in 200% (G3). In other hand, leaf Nitrogen, wet weight, dry weight and root length were decline as the water logging concentration increased. Ethylene increased significantly in the concentration of 200% (G3), it reached 14,878 ppm, 5 times higher than control. The highest adventitious root was in 200% (G3), 18 times higher than control. Grobogan variety showed still survive but its weight loss up to 60.41% after 14 days.

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