桑人工三倍体品种丰田2号经济性状的试验调查

为把蚕桑实用新品种新技术尽快转化成生产力,增加单位桑园面积的经济效益,江油市引进了若干近年育成的新桑树多倍体品种,进行多年多点的产叶量、叶质、抗逆性等实用经济性状的试验调查.结果表明,桑人工三倍体品种丰田2号,与标准品种荷叶白相比,单位面积桑园产叶量增加36.8%,桑叶养蚕万头产茧层量提高6.6%,抗逆性强,农艺性状好,是一优质高产的好品种,现今重点推广.

Test on Economic Characters of Mulberry Artificial Triploid Variety Fengtian No.2

A number of newly bred polypoidy mulberry varieties was induced into Jiangyou city for the purpose of increasing economic benefit per unit of mulberry field area and promoting sericultural industry.Evaluation tests were carried out on the leaf yield and quality,resistance and agronomic traits.The results indicated that an artificial triploid variety,Fengtian No.2,was a find variety with the characters of high leaf yield,good leaf quality and strong resistance.Compare with standard diploid var.Heyebai,leaf yield per unit of mulberry field area increased by36.8%,cocoon shell weight per10000silkworms increased by6.6%.The variety is being put into popularization in sericulture production.