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Field Performance of Vegetable Soybean Varieties(lines) in Northeast USA(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年03期
Page:
409-413
Research Field:
Publishing date:

Info

Title:
Field Performance of Vegetable Soybean Varieties(lines) in Northeast USA
Author(s):
ZHANG Qiu-ying 1; Stephen J.HERBERT2 ; PAN Xiang-wen1
1Northeast Institute of Geography and Agroecology，CAS，Harbin 150081，Heilongjiang，China；
2Department of Plant，Soil，and Insect Sciences，University of Massachusetts，Amherst，MA，01003，USA
Keywords:
Edamame; Marketable yield; Pod percentage; Seed size
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.03.0409
Abstract:
Vegetable soybean is a special soybean harvested after the R6 and before the R7 growth stage as a fresh green bean.Although vegetable soybean research has been conducted for many years in the USA，fewer varieties are available for commercial production.Twelve vegetable cultivars(lines) were evaluated for their field performance and marketable yield potential at the University of Massachusetts Crop Research and Education Center in Deerfield，Massachusetts，USA.The experiment was arranged in a randomized complete block design with 4 replications.Seven out of twelve varieties or lines had the green seed color，50% first flowering day，optimum eating day，and harvest maturity were significantly different among varieties.Days from over 50% first flowering to optimum eating day ranged from 20 d to 45 d.The variety "late branch bean" had the highest marketable yield of 7 971 kg.ha-1，while the variety "early branch bean" had the lowest marketable yield of 3 122 kg.ha-1.A higher marketable yield was mostly due to lower unproductive pod percentage，greater seed size and a greater percentage of 2-seeded pods.

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Last Update: 2014-10-08