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(一)病害防治 危害辣椒的病害主要有病毒病、青枯病、炭疽病、疫病、疮痂病等病害。 1、病毒病:一般由心叶开始出现叶色浓绿不均或黄绿不均的花叶,有时叶片皱缩不长,叶脉出现坏死斑,高温季节引起落叶、落花、落蕾以致生长点脱落。其田间的防治措施是在分苗后,定植前和开花期喷射1%~3%的硫酸锌,提高植株的抗病能力。发病初期连续喷射磷酸二氢钾500倍液或20ppM的萘乙酸等生长激素。
(A) disease prevention and control peppers diseases are mainly virus disease, bacterial wilt, anthracnose, epidemics, scab disease and other diseases. 1, the virus disease: generally began to appear from the heart leaf green leaves uneven dark green or uneven mosaic, and sometimes leaves shrinkage is not long, necrosis of the leaves appear necrotic spots, high temperature season caused by deciduous, falling flowers, resulting in bud growth Off. The field of prevention and treatment measures is in the sub-seedlings, before planting and flowering spray 1% to 3% of zinc sulfate, improve plant disease resistance. The early onset of continuous injection of potassium dihydrogen phosphate 500 times or 20ppM NAA and other growth hormone.