不同農(nóng)業(yè)生態(tài)調(diào)控措施對煙草青枯病的影響

Influence of Different Agricultural Ecological Regulation and Control Measures on Tobacco Bacterial Wilt

摘要: 煙草連作黃泡泥土,、煙草連作黃色石灰土及煙草輪作黃泡泥土3個不同生態(tài)環(huán)境堆漚圈肥的田間小區(qū)試驗研究結(jié)果表明：品種抗性是導致處理間差異的主要因素，K346品種的抗性顯著優(yōu)于K326,；在3塊試驗地中,，以輪作地發(fā)病最輕，表明輪作是控制青枯病的有效措施之一,；堆漚圈肥的土壤對青枯病的發(fā)生具有一定的抑制作用,，可推遲其始發(fā)期和降低其發(fā)病程度。

Abstract: In this paper, authors investigated the effects of composted barnyard manure on tobacco bacterial wilt in flue-cured tobacco-succession-planting on yellow upland soils and yellow limy soils, and in flue-cured tobacco-rotation-planting on yellow upland soils by field experiments. The results showed that variety resistance was the main factor that resulted in the difference among the treatments. Resistance of tobacco variety K346 was significantly superior to that of K326. Light epidemic of tobacco bacterial wilt in flue-cured tobacco-rotation-planting on yellow upland soils among three field types indicated that rotation was effective measures for controlling this disease. Soils of composted barnyard manure had some effects of inhibition, which can postpone beginning date and decreased epidemic degree of this disease.