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VA 內生菌根菌, Glomus mosseae,가 뽕나무의 生長과 營養에 미치는 影響
金重彩,文在裕 한국잠사학회 1986 한국잠사곤충학회지 Vol.28 No.1
This study was carried out to acguire some basic information on nutritional and physiological effects of vesicular arbuscular mycorrhizac (VAM) on mulberry trees inoculated with Glomus mosseae, Gerd. & Trap. grown in clay for 65 days and treated with 5 different levels of phosphorus, ie 30, 60, 120, 240, 480 ppm as (NH4)2 HPO4. At the end of the expermental period the levels of fixed phosphate in the soil was measared. And the native VAM fungi were collected to select the most effective VAM species on mulberry tree. The nutritional and biochemical effects of VA mycorrhizae on the mulberry leaves were also studied. Those results are as follow. 1. The mulberry trees grown in clay and inoculated with VAM were heavier in shoot dry weight as much as 197% than uninoculated plants. But in vermioulite, uninoculated mulberry trees were heavier as much as 135% than inoculated. 2. The rates of endo mycorrhizal formation in clay was highest at 60ppm level of phosphorus, and vesicles in roots were formed in 240ppm and 480ppm level of phosphorus, but not in 30ppm, 60ppm and 120ppm. 3. The greatest growth responses of VAM inoculation was found at 60ppm level of phosphorus, and the optimum phosphorus level for VAM responese appeared to be 60ppm. 4. VAM was able to absorb soil-fixed phosphate. VAM abosrbed Fe-bound phosphate most efficiently and Ca-bound phosphate with ease but not Al·bound phosphate and Al-Fe occluded phosphate. 5. Three species of Gigaspora and one species of Glamus growing naturally in mulberry plantations were collected and tested for the growth responses. Gigaspora tricalipta and Gigaspora calospora revealed the greatest growth responses on mulberry tree among tested VAM fungi. 6. Mulberry leaves inoculated with VA mycorrhizal fungi contained 9.8% more phosphate and 15.2% more nitrogen, 22.2% more water-soluble carbohydrates and 15.2% more proteins than uninoculated plants.
VA내생균근(內生菌根)이 뽕나무의 생장(生長)에 미치는 영향(影響)
김중채 ( Joong Chai Kim ),최연홍 ( Yun Hong Choi ),문재유 ( Joo Yu Moon ),김주읍 ( Joo Up Kim ) 한국잠사학회 1984 한국잠사곤충학회지 Vol.26 No.2
뽕나무에 VA mycorrhizae의 1종인 Glomus mosseae, Mosse and Trappe를 접종하여 소독을 하지 않은 토양에 심어 6월간 재배한 결과를 요약하면 다음과 같다. 가. VA mycorrhizae 접종 뽕나무는 전체 조장은 15%, 조경은 19%, 뽕잎 량은 30%가 더 많았다. 나. VA mycorrhizae접종 뽕나무의 뽕잎 성분은 질소는 12%, 인산은 10%, CaO는 10%가 더 많았고 K2O는 차이가 없었으며 MgO는 20%가 더 많았다. 다. VA mycorrhizae접종 뽕나무 뿌리는 질소는 20%가 더 적었고 인산은 21%가 더 많았다. Mulberry Seedlings germinated and grown under green house conditions were inoculated with Glomus mosseae, Mosse and Trappe (a Kind of Vesicular arbuscular mycorrhizae) prior to outplanting into unsterilized soil. They were grown on phosphate deficient soil for 6 months after planting. Shoot length, stem diameter and leaf yield of the inoculated plants were found to be significantly greater than uninoculated ones. It was observed in foliar mineral content that the levels of N, P2O5, CaO of the inoculated plants were higher but the level of MgO of the inoculated plants was lower than the uninoculated ones. In the mineral content of roots, it was observed that the level of P2O5 was higher but the level of N was lower significantly in the inoculated plants than the uninoculated ones.