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Effects of Harvest Date on Pod Maturity, Yield and Quality of Four Peanut Genotypes
|摘要:||本試驗採用四個落花生基因型，屬 Spanish type的 台南
(合格莢)，均不易達70%以上。春作 Spanish type最適收穫
To study the effects of harvest date on pod maturity, yield and quality of peanut, two Spanish type (TN 11 and TNG 6) and two Virginia type (Li-chu-tzae and VB313 ) peanut genotypes were grown with two space-in-rows in the field of the Taiwan Agricultural Research Institute in the spring and fall crop seasons of 1995. The results were summarized as follows: 1.The first and second branches of peanuts set more pods than any of other branches. More pods set at the upper branches of Virginia type than Spanish type. Due to growth habits, some upper pods may have earlier maturity than lower pods. 2.Peanuts grown in 30 cm of space-in-row had higher pod weight and number per plant than those in 10 cm of space- in-row. However, peanuts grown in 10cm of space-in-row had significant higher pod and seed yield per hectare than those in 30cm of space-in-row. 3.The maturing pods usually were less than 70% for four genotypes grown in both spring and fall crop seasons. For the Spanish type peanuts, 108-115 days after first bloom stage in spring or 88-95 days after first bloom stage in fall is the most appropriate harvest date. As for the Virgina type peanuts, the most appropriate harvest date is about 115 days and 95 days after first bloom stage in sprint and fall, separately. 4.Higher oil content was found in the well maturing peanuts and in the spring season. However, protein content was slightly affected by the change of harvest date.
|Appears in Collections:||農藝學系|
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