紫云英新品种闽紫1号的选育和丰产栽培技术研究
The Breeding of A New Chinese Milk Vetch (Astragalus sinicus) Cuitivar Mingzi No.1 and Its Cultivation Technique for High Yield
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摘要: 闽紫1号是系统选育而成。早发性好,为早花型偏迟品种。植株较高大,茎秆粗壮,结荚花序数和结荚数都较多,分枝力中等。鲜草和种子产量都比光泽种和乐平种高。品质较优。其丰产栽培应适期早播,适当密植;早施磷钾肥;开好排灌沟,合理排灌;防治病虫害;留种田应增施硼、钼肥,喷施多效唑和适期收种等。Abstract: A new Chinese milk vetch (Astragalus sinicus) cultivar Mingzi No.1 ,which was bred by using systematic selection,has fast-growing,early blooming and late maturing characteristics.In comparison with the check plant,its fresh straw weight and seed yield increased 20% and about 30% respectively.Also Mingzi No.1 gave better seed quality.The new cultivar suits to double crop system of rice.The high-yielding practices involve the suitable sowing period,density and early application of P,K fertilizer,well-arranged draining and irrigating ditches,the control of pests and diseases.In the fields for harvesting seeds,increasing B and Mo fertilizers and spraying palcobutrazol (MET) as well as suitable harvesting time are suggested.
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