关键词: 野生稻种资源, 野生稻种资源, 优良性状, 水稻育种, 应用

Abstract: Using field experimentation , we initially study that fungicides influence wheat’s yield and quality on sandy loam ecotype farm in the east of Henan. The result showed that using five kinds of fungicides such as triadimefon, carbendazim, folpet, diniconarole, and Bingchong ling and so on. These raised the weight of every one thousand seeds 0.8~1.9g of stronger gluten wheat. The yield increases 147.6~471.3kg/hm2.The average increase in production is 5.4%. The effect is better to spray fungicides once when wheat lifts its head, but the quality will suffer from bad influence when we increase spraying times. Fungicides were used in the different wheat-bearing time ,however they seldom impair the quality. Its applied effect mainly depends on the types and spraying times of fungicides. Not only can triadimefon and diniconazole raise stronger gluten wheat’s yield, but also don’t impair its quality .Furthermore the increasing effect of triadimefon is the most obvious . Generally,it can raise above 8% and increase the weight of every one thousand seeds about 2g, so we can have a priority to choose it in production.