To alleviate the damage of tomato virus diseases, reduce chemical pesticide consumption and residue, and prevent environmental pollution, forecasting, randomized block design and statistical analysis were adopted to c...To alleviate the damage of tomato virus diseases, reduce chemical pesticide consumption and residue, and prevent environmental pollution, forecasting, randomized block design and statistical analysis were adopted to conduct field efficacy tests for Lentinan ＋ Gibberellin-heteroauxin-brassinolide （GHB） and Ningnanmycin ＋ GHB. The results showed that when the virus diseases in greenhouse tomato were serious, 0.5% Lentinan AS 3 000 ml ＋ GHB WP 600 g and 8% Ningnanmycin AS 900 ml ＋ GHB WP 600 g per hectare were applied 4 times with an interval of 7 days, and the control effects on the 10th, 17th, 26th and 35th day were above 88%, 87%, 78% and 67%, respectively. The difference in control effect of the two biological pesticides was insignificant, while their control effects were all significantly better than that of moroxydine hydrochloride （CK） ＋ GHB. The obtained results indicated that Lentinan ＋ GHB and Ningnanmycin ＋ GHB were the ideal biological pesticides, which could be used not only for controlling tomato virus diseases, but also for realizing modern, pollution-free, green and organic agricultural production.展开更多
The hydroxyl radical（-OH）-scavenging ability of culture filtrates from submerged culture of Lentinula edodes AX3 and five mildews on lignocellulose substance was analysed. Only L. edodes AX3 showed significant -OH-s...The hydroxyl radical（-OH）-scavenging ability of culture filtrates from submerged culture of Lentinula edodes AX3 and five mildews on lignocellulose substance was analysed. Only L. edodes AX3 showed significant -OH-scavenging ability which reached 52.2% at about the 48th hour. All mildews could hardly scavenge -OH under the experimental conditions. -OH-scavenging ability is considered related to the mode and ability of lignocellulose degradation of a strain. The degradation or bioconversion products might be the substance base for.this effect.展开更多
文摘To alleviate the damage of tomato virus diseases, reduce chemical pesticide consumption and residue, and prevent environmental pollution, forecasting, randomized block design and statistical analysis were adopted to conduct field efficacy tests for Lentinan ＋ Gibberellin-heteroauxin-brassinolide （GHB） and Ningnanmycin ＋ GHB. The results showed that when the virus diseases in greenhouse tomato were serious, 0.5% Lentinan AS 3 000 ml ＋ GHB WP 600 g and 8% Ningnanmycin AS 900 ml ＋ GHB WP 600 g per hectare were applied 4 times with an interval of 7 days, and the control effects on the 10th, 17th, 26th and 35th day were above 88%, 87%, 78% and 67%, respectively. The difference in control effect of the two biological pesticides was insignificant, while their control effects were all significantly better than that of moroxydine hydrochloride （CK） ＋ GHB. The obtained results indicated that Lentinan ＋ GHB and Ningnanmycin ＋ GHB were the ideal biological pesticides, which could be used not only for controlling tomato virus diseases, but also for realizing modern, pollution-free, green and organic agricultural production.
文摘The hydroxyl radical（-OH）-scavenging ability of culture filtrates from submerged culture of Lentinula edodes AX3 and five mildews on lignocellulose substance was analysed. Only L. edodes AX3 showed significant -OH-scavenging ability which reached 52.2% at about the 48th hour. All mildews could hardly scavenge -OH under the experimental conditions. -OH-scavenging ability is considered related to the mode and ability of lignocellulose degradation of a strain. The degradation or bioconversion products might be the substance base for.this effect.
