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首页> 外文期刊>Nematologia Mediterranea >Suppressive effect of five compost extracts against the root-knot nematode Meloidogyne incognita.
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Suppressive effect of five compost extracts against the root-knot nematode Meloidogyne incognita.

机译：五种堆肥提取物对根结线虫Meloidogyne incognita的抑制作用。

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摘要

In vitro and in vivo tests were conducted to assess the suppressive effects of five different compost extracts, from various composted animal manure mixtures (poultry-manure (PM), sheep manure (SM), cattle manure (CM) and horse manure (HM)), on the root-knot nematode M. incognita and tomato growth. The incubation in vitro of egg masses of M. incognita in the diluted (10%) extracts of the composts showed a nematicidal activity against M. incognita. Among the five extract treatments, the 50% CM+25% SM+25% PM and 40% CM+40% SM+20% significantly reduced the nematode egg hatching. The mortality of the eggs ranged from 9.3% in the control (distilled water) to 73.5% in 50% CM+25% SM+25% PM. In vivo, tomato plants grown in pot filled with sterilized perlite were inoculated with 750 eggs of M. incognita and irrigated every 10 days with the different compost extracts. The 25% CM+25% SM+25% PM+23.5% HM+1.5% natural phosphate treatment significantly reduced the number of galls, gall index, percentage of infested roots, and reproduction rate of the nematode. Also, irrigation of tomato with the compost extracts improved the tomato growth..
机译：进行了体外和体内试验，以评估五种不同堆肥提取物对多种堆肥的抑制作用，这些混合物来自各种堆肥的动物粪便混合物（家禽粪便（PM），绵羊粪便（SM），牛粪便（CM）和马粪便（HM）） ），在根结线虫隐孢子虫和番茄上生长。在稀释的（10％）堆肥提取物中，隐孢子虫卵团的体外培养显示出对隐孢子虫的杀线虫活性。在五种提取物处理中，50％CM + 25％SM + 25％PM和40％CM + 40％SM + 20％显着降低了线虫卵的孵化率。鸡蛋的死亡率从对照组（蒸馏水）的9.3％到50％CM + 25％SM + 25％PM的73.5％。在体内，将生长在装有灭菌珍珠岩的花盆中的番茄植株接种750株隐身支原体卵，并每10天用不同的堆肥提取物灌溉一次。 25％CM + 25％SM + 25％PM + 23.5％HM + 1.5％天然磷酸盐处理显着降低了虫s的数量，虫gall指数，受侵染的根的百分比以及线虫的繁殖率。另外，用堆肥提取物灌溉番茄可以改善番茄的生长。

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